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Professor Nigel Glover's Outputs (173)

Precise QCD predictions for W-boson production in association with a charm jet (2024)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E. W. N., Huss, A., Rodriguez Garcia, A., & Stagnitto, G. (2024). Precise QCD predictions for W-boson production in association with a charm jet. The European Physical Journal C, 84(4), Article 361. https://doi.org/10.1140/epjc/s10052-024-12715-8

The production of a W-boson with a charm quark jet provides a highly sensitive probe of the strange quark distribution in the proton. Employing a novel flavour dressing procedure to define charm quark jets, we compute W+charm-jet production up to nex... Read More about Precise QCD predictions for W-boson production in association with a charm jet.

The colourful antenna subtraction method (2024)
Journal Article
Gehrmann, T., Glover, E. W. N., & Marcoli, M. (2024). The colourful antenna subtraction method. Journal of High Energy Physics, 2024(3), Article 114. https://doi.org/10.1007/jhep03%282024%29114

We present a general subtraction scheme for NNLO calculations in massless QCD: the colourful antenna subtraction method. It is a reformulation of the antenna subtraction approach designed to address some of the limitations of the traditional framewor... Read More about The colourful antenna subtraction method.

Precise predictions for boosted Higgs production (2024)
Journal Article
Becker, K., Caola, F., Massironi, A., Mistlberger, B., Monni, P. F., Chen, X., …Wever, C. (2024). Precise predictions for boosted Higgs production. SciPost Physics Core, 7(1), https://doi.org/10.21468/scipostphyscore.7.1.001

Inclusive Higgs boson production at large transverse momentum is induced by different production channels. We focus on the leading production mechanism through gluon fusion, and perform a consistent combination of the state of the art calculations ob... Read More about Precise predictions for boosted Higgs production.

Initial-final and initial-initial antenna functions for real radiation at next-to-leading order (2023)
Journal Article
Fox, E., & Glover, N. (2023). Initial-final and initial-initial antenna functions for real radiation at next-to-leading order. Journal of High Energy Physics, 2023(12), Article 171. https://doi.org/10.1007/jhep12%282023%29171

The antenna subtraction method has achieved remarkable success in various processes relevant to the Large Hadron Collider. In Reference [1], an algorithm was proposed for constructing real-radiation antenna functions for electron-positron annihilatio... Read More about Initial-final and initial-initial antenna functions for real radiation at next-to-leading order.

A general algorithm to build mixed real and virtual antenna functions for higher-order calculations (2023)
Journal Article
Braun-White, O., Glover, N., & Preuss, C. T. (2023). A general algorithm to build mixed real and virtual antenna functions for higher-order calculations. Journal of High Energy Physics, 2023(11), Article 179. https://doi.org/10.1007/jhep11%282023%29179

The antenna-subtraction technique has demonstrated remarkable effectiveness in providing next-to-next-to-leading order in αs (NNLO) predictions for a wide range of processes relevant for the Large Hadron Collider. In a previous paper [1], we demonstr... Read More about A general algorithm to build mixed real and virtual antenna functions for higher-order calculations.

A general algorithm to build real-radiation antenna functions for higher-order calculations (2023)
Journal Article
Braun-White, O., Glover, N., & Preuss, C. T. (2023). A general algorithm to build real-radiation antenna functions for higher-order calculations. Journal of High Energy Physics, 2023(6), Article 65. https://doi.org/10.1007/jhep06%282023%29065

The antenna subtraction method has been successfully applied to a wide range of processes relevant for the Large Hadron Collider at next-to-next-to-leading order in αs (NNLO). We propose an algorithm for building antenna functions for any number of r... Read More about A general algorithm to build real-radiation antenna functions for higher-order calculations.

Precision phenomenology with fiducial cross sections in the triple-differential Drell-Yan process (2023)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Huss, A., Preuss, C., & Walker, D. (2023). Precision phenomenology with fiducial cross sections in the triple-differential Drell-Yan process. Journal of High Energy Physics, 2023(5), Article 2. https://doi.org/10.1007/jhep05%282023%29002

The production of lepton pairs (Drell-Yan process) at the LHC is being measured to high precision, enabling the extraction of distributions that are triply differential in the di-lepton mass and rapidity as well as in the scattering angle described b... Read More about Precision phenomenology with fiducial cross sections in the triple-differential Drell-Yan process.

NNLO QCD predictions for Z-boson production in association with a charm jet within the LHCb fiducial region (2023)
Journal Article
Gauld, R., Gehrmann–De Ridder, A., Glover, E., Huss, A., Rodriguez Garcia, A., & Stagnitto, G. (2023). NNLO QCD predictions for Z-boson production in association with a charm jet within the LHCb fiducial region. The European Physical Journal C, 83(4), Article 336. https://doi.org/10.1140/epjc/s10052-023-11530-x

We compute next-to-next-to-leading order (NNLO) QCD corrections to neutral vector boson production in association with a charm jet at the LHC. This process is studied in the forward kinematics at s√=13 TeV, which may provide valuable constraints on t... Read More about NNLO QCD predictions for Z-boson production in association with a charm jet within the LHCb fiducial region.

Transverse mass distribution and charge asymmetry in W boson production to third order in QCD (2023)
Journal Article
Chen, X., Gehrmann, T., Glover, N., Huss, A., Yang, T., & Zhu, H. X. (2023). Transverse mass distribution and charge asymmetry in W boson production to third order in QCD. Physics Letters B, 840, Article 137876. https://doi.org/10.1016/j.physletb.2023.137876

Charged gauge boson production at hadron colliders is a fundamental benchmark for the extraction of electroweak parameters and the understanding of the proton structure. To enable precision phenomenology for this process, we compute the third-order (... Read More about Transverse mass distribution and charge asymmetry in W boson production to third order in QCD.

NNLO interpolation grids for jet production at the LHC (2022)
Journal Article
Britzger, D., Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Gwenlan, C., Huss, A., …Stark, J. (2022). NNLO interpolation grids for jet production at the LHC. The European Physical Journal C, 82(10), Article 930. https://doi.org/10.1140/epjc/s10052-022-10880-2

Fast interpolation-grid frameworks facilitate an efficient and flexible evaluation of higher-order predictions for any choice of parton distribution functions or value of the strong coupling αs. They constitute an essential tool for the extraction of... Read More about NNLO interpolation grids for jet production at the LHC.

Automation of antenna subtraction in colour space: gluonic processes (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., Huss, A., & Marcoli, M. (2022). Automation of antenna subtraction in colour space: gluonic processes. Journal of High Energy Physics, 2022(10), Article 99. https://doi.org/10.1007/jhep10%282022%29099

We present the colourful antenna subtraction method, a reformulation of the antenna subtraction scheme for next-to-next-to-leading order (NNLO) calculations in QCD. The aim of this new approach is to achieve a general and process-independent construc... Read More about Automation of antenna subtraction in colour space: gluonic processes.

Antenna subtraction for jet production observables in full colour at NNLO (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., & Mo, J. (2022). Antenna subtraction for jet production observables in full colour at NNLO. Journal of High Energy Physics, 2022(10), Article 40. https://doi.org/10.1007/jhep10%282022%29040

We describe the details of the calculation of the full colour NNLO QCD corrections to jet production observables at the LHC with antenna subtraction. All relevant matrix elements for the process pp → jj at NNLO in full colour are colour-decomposed an... Read More about Antenna subtraction for jet production observables in full colour at NNLO.

Decomposition of triple collinear splitting functions (2022)
Journal Article
Braun-White, O., & Glover, N. (2022). Decomposition of triple collinear splitting functions. Journal of High Energy Physics, 2022(9), Article 59. https://doi.org/10.1007/jhep09%282022%29059

In the kinematic region where three particles i, j, k are collinear, the multi-parton scattering amplitudes factorise into a product of a triple collinear splitting function and a multi-parton scattering amplitude with two fewer particles. These trip... Read More about Decomposition of triple collinear splitting functions.

NNLO QCD corrections in full colour for jet production observables at the LHC (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., Huss, A., & Mo, J. (2022). NNLO QCD corrections in full colour for jet production observables at the LHC. Journal of High Energy Physics, 2022(9), Article 25. https://doi.org/10.1007/jhep09%282022%29025

Calculations for processes involving a high multiplicity of coloured particles often employ a leading colour approximation, where only the leading terms in the expansion of the number of colours Nc and the number of flavours nf are retained. This app... Read More about NNLO QCD corrections in full colour for jet production observables at the LHC.

Single photon production at hadron colliders at NNLO QCD with realistic photon isolation (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., Höfer, M., Huss, A., & Schürmann, R. (2022). Single photon production at hadron colliders at NNLO QCD with realistic photon isolation. Journal of High Energy Physics, 2022(8), Article 94. https://doi.org/10.1007/jhep08%282022%29094

Isolated photons at hadron colliders are defined by permitting only a limited amount of hadronic energy inside a fixed-size cone around the candidate photon direction. This isolation criterion admits contributions from collinear photon radiation off... Read More about Single photon production at hadron colliders at NNLO QCD with realistic photon isolation.

Third-Order Fiducial Predictions for Drell-Yan Production at the LHC (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, N., Huss, A., Monni, P. F., Re, E., …Torrielli, P. (2022). Third-Order Fiducial Predictions for Drell-Yan Production at the LHC. Physical Review Letters, 128(25), Article 252001. https://doi.org/10.1103/physrevlett.128.252001

The Drell-Yan process at hadron colliders is a fundamental benchmark for the study of strong interactions and the extraction of electroweak parameters. The outstanding precision of the LHC demands very accurate theoretical predictions with a full acc... Read More about Third-Order Fiducial Predictions for Drell-Yan Production at the LHC.

Transverse momentum distributions in low-mass Drell-Yan lepton pair production at NNLO QCD (2022)
Journal Article
Gauld, R., Gehrmann–De Ridder, A., Gehrmann, T., Glover, E., Huss, A., Majer, I., & Rodriguez Garcia, A. (2022). Transverse momentum distributions in low-mass Drell-Yan lepton pair production at NNLO QCD. Physics Letters B, 829, Article 137111. https://doi.org/10.1016/j.physletb.2022.137111

The production of lepton pairs at low invariant mass and finite transverse momentum resolves QCD dynamics at the boundary between the perturbative and non-perturbative domains. We investigate the impact of NNLO QCD corrections on these observables at... Read More about Transverse momentum distributions in low-mass Drell-Yan lepton pair production at NNLO QCD.

VH + jet production in hadron-hadron collisions up to order α3s in perturbative QCD (2022)
Journal Article
Gauld, R., Gehrmann-De Ridder, A., Glover, E., Huss, A., & Majer, I. (2022). VH + jet production in hadron-hadron collisions up to order α3s in perturbative QCD. Journal of High Energy Physics, 2022(3), Article 8. https://doi.org/10.1007/jhep03%282022%29008

We present precise predictions for the hadronic production of an on-shell Higgs boson in association with a leptonically decaying gauge boson and a jet up to order α3s. We include the complete set of NNLO QCD corrections to both charged- and neutral-... Read More about VH + jet production in hadron-hadron collisions up to order α3s in perturbative QCD.

Dilepton Rapidity Distribution in Drell-Yan Production to Third Order in QCD (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, N., Huss, A., Yang, T., & Zhu, H. X. (2022). Dilepton Rapidity Distribution in Drell-Yan Production to Third Order in QCD. Physical Review Letters, 128(5), https://doi.org/10.1103/physrevlett.128.052001

We compute for the first time the lepton-pair rapidity distribution in the photon-mediated Drell-Yan process to next-to-next-to-next-to-leading order in QCD. The calculation is based on the qT -subtraction method, suitably extended to this order for... Read More about Dilepton Rapidity Distribution in Drell-Yan Production to Third Order in QCD.

Fiducial cross sections for the lepton-pair-plus-photon decay mode in Higgs production up to NNLO QCD (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., & Huss, A. (2022). Fiducial cross sections for the lepton-pair-plus-photon decay mode in Higgs production up to NNLO QCD. Journal of High Energy Physics, 2022(53), Article 53. https://doi.org/10.1007/jhep01%282022%29053

The rare three-body decay of a Higgs boson to a lepton-antilepton pair and a photon is starting to become experimentally accessible at the LHC. We investigate how higher-order QCD corrections to the dominant gluon-fusion production process impact on... Read More about Fiducial cross sections for the lepton-pair-plus-photon decay mode in Higgs production up to NNLO QCD.

A comparative study of Higgs boson production from vector-boson fusion (2021)
Journal Article
Buckley, A., Chen, X., Cruz-Martinez, J., Ferrario Ravasio, S., Gehrmann, T., Glover, E., …Schönherr, M. (2021). A comparative study of Higgs boson production from vector-boson fusion. Journal of High Energy Physics, 2021(11), Article 108. https://doi.org/10.1007/jhep11%282021%29108

The data taken in Run II at the Large Hadron Collider have started to probe Higgs boson production at high transverse momentum. Future data will provide a large sample of events with boosted Higgs boson topologies, allowing for a detailed understandi... Read More about A comparative study of Higgs boson production from vector-boson fusion.

Fully Differential Higgs Boson Production to Third Order in QCD (2021)
Journal Article
Chen, X., Gehrmann, T., Glover, E., Huss, A., Mistlberger, B., & Pelloni, A. (2021). Fully Differential Higgs Boson Production to Third Order in QCD. Physical Review Letters, 127(7), Article 072002. https://doi.org/10.1103/physrevlett.127.072002

We present the first fully differential predictions for the production cross section of a Higgs boson via the gluon fusion mechanism at next-to-next-to-next-to-leading order ( N 3 LO ) in QCD perturbation theory. Differential distributions are shown... Read More about Fully Differential Higgs Boson Production to Third Order in QCD.

Precise predictions for WH+jet production at the LHC (2021)
Journal Article
Gauld, R., Gehrmann-De Ridder, A., Glover, E., Huss, A., & Majer, I. (2021). Precise predictions for WH+jet production at the LHC. Physics Letters B, 817, Article 136335. https://doi.org/10.1016/j.physletb.2021.136335

We present precise predictions for the production of a Higgs boson in association with a hadronic jet and a W boson at hadron colliders. The behaviour of QCD corrections are studied for fiducial cross sections and distributions of the charged gauge b... Read More about Precise predictions for WH+jet production at the LHC.

Scale and isolation sensitivity of diphoton distributions at the LHC (2021)
Journal Article
Gehrmann, T., Glover, N., Huss, A., & Whitehead, J. (2021). Scale and isolation sensitivity of diphoton distributions at the LHC. Journal of High Energy Physics, 2021(1), Article 108. https://doi.org/10.1007/jhep01%282021%29108

Precision measurements of diphoton distributions at the LHC display some tension with theory predictions, obtained at next-to-next-to-leading order (NNLO) in QCD. We revisit the theoretical uncertainties arising from the approximation of the experime... Read More about Scale and isolation sensitivity of diphoton distributions at the LHC.

Phenomenology of NNLO jet production at the LHC and its impact on parton distributions (2020)
Journal Article
Khalek, R. A., Forte, S., Gehrmann, T., Ridder, A. G., Giani, T., Glover, N., …Stagnitto, G. (2020). Phenomenology of NNLO jet production at the LHC and its impact on parton distributions. The European Physical Journal C, 80(8), Article 797. https://doi.org/10.1140/epjc/s10052-020-8328-5

We present a systematic investigation of jet production at hadron colliders from a phenomenological point of view, with the dual aim of providing a validation of theoretical calculations and guidance to future determinations of parton distributions (... Read More about Phenomenology of NNLO jet production at the LHC and its impact on parton distributions.

Isolated photon and photon+jet production at NNLO QCD accuracy (2020)
Journal Article
Chen, X., Gehrmann, T., Glover, N., Höfer, M., & Huss, A. (2020). Isolated photon and photon+jet production at NNLO QCD accuracy. Journal of High Energy Physics, 2020(4), Article 166. https://doi.org/10.1007/jhep04%282020%29166

We describe the calculation of the next-to-next-to-leading order (NNLO) QCD corrections to isolated photon and photon-plus-jet production, and discuss how the experimental hadron-level photon definition and isolation criteria can be approximated in t... Read More about Isolated photon and photon+jet production at NNLO QCD accuracy.

Jet cross sections at the LHC and the quest for higher precision (2020)
Journal Article
Bellm, J., Buckley, A., Chen, X., Ridder, A. G., Gehrmann, T., Glover, N., …Re, E. (2020). Jet cross sections at the LHC and the quest for higher precision. The European Physical Journal C, 80(2), Article 93. https://doi.org/10.1140/epjc/s10052-019-7574-x

We perform a phenomenological study of Z plus jet, Higgs plus jet and di-jet production at the Large Hadron Collider. We investigate in particular the dependence of the leading jet cross section on the jet radius as a function of the jet transverse m... Read More about Jet cross sections at the LHC and the quest for higher precision.

The transverse momentum spectrum of weak gauge bosons at N³LL + NNLO (2019)
Journal Article
Bizoń, W., Gehrmann-De Ridder, A., Gehrmann, T., Glover, N., Huss, A., Monni, P. F., …Walker, D. M. (2019). The transverse momentum spectrum of weak gauge bosons at N³LL + NNLO. The European Physical Journal C, 79(10), Article 868. https://doi.org/10.1140/epjc/s10052-019-7324-0

We present accurate QCD predictions for the transverse momentum ( p⊥ ) spectrum of electroweak gauge bosons at the LHC for 13 TeV collisions, based on a consistent combination of a NNLO calculation at large p⊥ and N³ LL resummation in the small p⊥ li... Read More about The transverse momentum spectrum of weak gauge bosons at N³LL + NNLO.

Calculations for deep inelastic scattering using fast interpolation grid techniques at NNLO in QCD and the extraction of αs from HERA data (2019)
Journal Article
Britzger, D., Currie, J., Ridder, A. G., Gehrmann, T., Glover, E., Gwenlan, C., …Sutton, M. (2019). Calculations for deep inelastic scattering using fast interpolation grid techniques at NNLO in QCD and the extraction of αs from HERA data. The European Physical Journal C, 79(10), Article 845. https://doi.org/10.1140/epjc/s10052-019-7351-x

The extension of interpolation-grid frameworks for perturbative QCD calculations at next-to-next-to-leading order (NNLO) is presented for deep inelastic scattering (DIS) processes. A fast and flexible evaluation of higher-order predictions for any a... Read More about Calculations for deep inelastic scattering using fast interpolation grid techniques at NNLO in QCD and the extraction of αs from HERA data.

Associated production of a Higgs boson decaying into bottom quarks and a weak vector boson decaying leptonically at NNLO in QCD (2019)
Journal Article
Gauld, R., Ridder, A. G., Glover, E., Huss, A., & Majer, I. (2019). Associated production of a Higgs boson decaying into bottom quarks and a weak vector boson decaying leptonically at NNLO in QCD. Journal of High Energy Physics, 2019(10), Article 2. https://doi.org/10.1007/jhep10%282019%29002

We present the calculation of next-to-next-to-leading order (NNLO) corrections in perturbative QCD for the production of a Higgs boson decaying into a pair of bottom quarks in association with a leptonically decaying weak vector boson: pp → V H+X → `... Read More about Associated production of a Higgs boson decaying into bottom quarks and a weak vector boson decaying leptonically at NNLO in QCD.

Triple Differential Dijet Cross Section at the LHC (2019)
Journal Article
Ridder, A. G., Gehrmann, T., Glover, E., Huss, A., & Pires, J. (2019). Triple Differential Dijet Cross Section at the LHC. Physical Review Letters, 123(10), Article 102001. https://doi.org/10.1103/physrevlett.123.102001

The measurement of the triple-differential dijet production cross section as a function of the average transverse momentum pT;avg, half the rapidity separation y, and the boost yb of the two leading jets in the event enables a kinematical scan of the... Read More about Triple Differential Dijet Cross Section at the LHC.

Fiducial cross sections for the four-lepton decay mode in Higgs-plus-jet production up to NNLO QCD (2019)
Journal Article
Chen, X., Gehrmann, T., Glover, E., & Huss, A. (2019). Fiducial cross sections for the four-lepton decay mode in Higgs-plus-jet production up to NNLO QCD. Journal of High Energy Physics, 2019(7), Article 52. https://doi.org/10.1007/jhep07%282019%29052

The four-lepton decay mode of the Higgs boson allows for a clean kinematic reconstruction, thereby enabling precision studies of the Higgs boson properties and of its production dynamics. We compute the NNLO QCD corrections to fiducial cross sections... Read More about Fiducial cross sections for the four-lepton decay mode in Higgs-plus-jet production up to NNLO QCD.

Vector boson production in association with a jet at forward rapidities (2019)
Journal Article
Gehrmann–De Ridder, A., Gehrmann, T., Glover, E., Huss, A., & Walker, D. (2019). Vector boson production in association with a jet at forward rapidities. The European Physical Journal C, 79(6), Article 526. https://doi.org/10.1140/epjc/s10052-019-7010-2

Final states with a vector boson and a hadronic jet allow one to infer the Born-level kinematics of the underlying hard scattering process, thereby probing the partonic structure of the colliding protons. At forward rapidities, the parton collisions... Read More about Vector boson production in association with a jet at forward rapidities.

Higgs boson production at the LHC using the qT subtraction formalism at N3LO QCD (2019)
Journal Article
Cieri, L., Chen, X., Gehrmann, T., Glover, E., & Huss, A. (2019). Higgs boson production at the LHC using the qT subtraction formalism at N3LO QCD. Journal of High Energy Physics, 2019(2), Article 96. https://doi.org/10.1007/jhep02%282019%29096

We consider higher-order QCD corrections to Higgs boson production through gluon-gluon fusion in the large top quark mass limit in hadron collisions. We extend the transverse-momentum (qT ) subtraction method to next-to-next-to-next-to-leading order... Read More about Higgs boson production at the LHC using the qT subtraction formalism at N3LO QCD.

Fiducial distributions in Higgs and Drell-Yan production at N3LL+NNLO (2018)
Journal Article
Bizoń, W., Chen, X., Gehrmann-De Ridder, A., Gehrmann, T., Glover, N., Huss, A., …Torrielli, P. (2018). Fiducial distributions in Higgs and Drell-Yan production at N3LL+NNLO. Journal of High Energy Physics, 2018(12), Article 132. https://doi.org/10.1007/jhep12%282018%29132

The perturbative description of certain differential distributions across a wide kinematic range requires the matching of fixed-order perturbation theory with resummation of large logarithmic corrections to all orders. We present precise matched pred... Read More about Fiducial distributions in Higgs and Drell-Yan production at N3LL+NNLO.

Precise QCD description of the Higgs boson transverse momentum spectrum (2018)
Journal Article
Chen, X., Gehrmann, T., Glover, E., Huss, A., Li, Y., Neill, D., …Zhu, H. (2019). Precise QCD description of the Higgs boson transverse momentum spectrum. Physics Letters B, 788, 425-430. https://doi.org/10.1016/j.physletb.2018.11.037

The transverse momentum () distribution of Higgs bosons at hadron colliders enables a detailed probe of its production dynamics and is a key ingredient to precision studies of Higgs boson properties, but receives very large QCD corrections. We obtain... Read More about Precise QCD description of the Higgs boson transverse momentum spectrum.

Infrared sensitivity of single jet inclusive production at hadron colliders (2018)
Journal Article
Currie, J., Gehrmann-De Ridder, A., Gehrmann, T., Glover, N., Huss, A., & Pires, J. (2018). Infrared sensitivity of single jet inclusive production at hadron colliders. Journal of High Energy Physics, 2018(10), Article 155. https://doi.org/10.1007/jhep10%282018%29155

Jet production at hadron colliders is a benchmark process to probe the dynamics of the strong interaction and the structure of the colliding hadrons. One of the most basic jet production observables is the single jet inclusive cross section, which is... Read More about Infrared sensitivity of single jet inclusive production at hadron colliders.

N3LO corrections to jet production in deep inelastic scattering using the Projection-to-Born method (2018)
Journal Article
Currie, J., Gehrmann, T., Glover, E., Huss, A., Niehues, J., & Vogt, A. (2018). N3LO corrections to jet production in deep inelastic scattering using the Projection-to-Born method. Journal of High Energy Physics, 2018(05), Article 209. https://doi.org/10.1007/jhep05%282018%29209

Computations of higher-order QCD corrections for processes with exclusive final states require a subtraction method for real-radiation contributions. We present the first-ever generalisation of a subtraction method for third-order (N3LO) QCD correcti... Read More about N3LO corrections to jet production in deep inelastic scattering using the Projection-to-Born method.

Second-order QCD effects in Higgs boson production through vector boson fusion (2018)
Journal Article
Cruz-Martinez, J., Gehrmann, T., Glover, E., & Huss, A. (2018). Second-order QCD effects in Higgs boson production through vector boson fusion. Physics Letters B, 781, 672-677. https://doi.org/10.1016/j.physletb.2018.04.046

We compute the factorising second-order QCD corrections to the electroweak production of a Higgs boson through vector boson fusion. Our calculation is fully differential in the kinematics of the Higgs boson and of the final state jets, and uses the a... Read More about Second-order QCD effects in Higgs boson production through vector boson fusion.

Next-to-Next-to-Leading-Order QCD Corrections to the Transverse Momentum Distribution of Weak Gauge Bosons (2018)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Huss, A., & Walker, D. (2018). Next-to-Next-to-Leading-Order QCD Corrections to the Transverse Momentum Distribution of Weak Gauge Bosons. Physical Review Letters, 120(12), Article 122001. https://doi.org/10.1103/physrevlett.120.122001

The transverse momentum spectra of weak gauge bosons and their ratios probe the underlying dynamics and are crucial in testing our understanding of the standard model. They are an essential ingredient in precision measurements, such as the W boson ma... Read More about Next-to-Next-to-Leading-Order QCD Corrections to the Transverse Momentum Distribution of Weak Gauge Bosons.

Precise predictions for V+jets dark matter backgrounds (2017)
Journal Article
Lindert, J., Pozzorini, S., Boughezal, R., Campbell, J., Denner, A., Dittmaier, S., …Williams, C. (2017). Precise predictions for V+jets dark matter backgrounds. The European Physical Journal C, 77(12), Article 829. https://doi.org/10.1140/epjc/s10052-017-5389-1

High-energy jets recoiling against missing transverse energy (MET) are powerful probes of dark matter at the LHC. Searches based on large MET signatures require a precise control of the Z(νν¯)+Z(νν¯)+ jet background in the signal region. This can be... Read More about Precise predictions for V+jets dark matter backgrounds.

Precise predictions for the angular coefficients in Z-boson production at the LHC (2017)
Journal Article
Gauld, R., Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., & Huss, A. (2017). Precise predictions for the angular coefficients in Z-boson production at the LHC. Journal of High Energy Physics, 2017(11), Article 003. https://doi.org/10.1007/jhep11%282017%29003

The angular distributions of lepton pairs in the Drell-Yan process can provide rich information on the underlying QCD production mechanisms. These dynamics can be parameterised in terms of a set of frame dependent angular coefficients, Ai=0,…,7, whic... Read More about Precise predictions for the angular coefficients in Z-boson production at the LHC.

NNLO QCD corrections to event orientation in e+e- annihilation (2017)
Journal Article
Gehrmann, T., Glover, E., Huss, A., Niehues, J., & Zhang, H. (2017). NNLO QCD corrections to event orientation in e+e- annihilation. Physics Letters B, 775, 185-189. https://doi.org/10.1016/j.physletb.2017.10.069

We present a new implementation of the NNLO QCD corrections to three-jet final states and related event-shape observables in electron–positron annihilation. Our implementation is based on the antenna subtraction method, and is performed in the NNLOje... Read More about NNLO QCD corrections to event orientation in e+e- annihilation.

Precise predictions for dijet production at the LHC (2017)
Journal Article
Currie, J., Gehrmann-DeRidder, A., Gehrmann, T., Glover, E., Huss, A., & Pires, J. (2017). Precise predictions for dijet production at the LHC. Physical Review Letters, 119(15), Article 152001. https://doi.org/10.1103/physrevlett.119.152001

We present the calculation of dijet production, doubly differential in dijet mass m j j and rapidity difference | y ∗ | , at leading color in all partonic channels at next-to-next-to-leading order (NNLO) in perturbative QCD. We consider the long-stan... Read More about Precise predictions for dijet production at the LHC.

Single Jet Inclusive Production for the Individual Jet pT Scale Choice at the LHC (2017)
Journal Article
Currie, J., Glover, E., Gehrmann, T., Gehrmann-de Ridder, A., Huss, A., & Pires, J. (2017). Single Jet Inclusive Production for the Individual Jet pT Scale Choice at the LHC. Acta Physica Polonica B, 48(6), 955-967. https://doi.org/10.5506/aphyspolb.48.955

We study the single jet inclusive cross section up to next-to-next-to leading order in perturbative QCD, implemented in the parton-level event generator NNLOJET. Our results are fully differential in the jet transverse momentum and rapidity, and we a... Read More about Single Jet Inclusive Production for the Individual Jet pT Scale Choice at the LHC.

Next-to-Next-to Leading Order QCD Predictions for Single Jet Inclusive Production at the LHC (2017)
Journal Article
Currie, J., Glover, E., & Pires, J. (2017). Next-to-Next-to Leading Order QCD Predictions for Single Jet Inclusive Production at the LHC. Physical Review Letters, 118(7), Article 072002. https://doi.org/10.1103/physrevlett.118.072002

We report the first calculation of fully differential jet production at leading color in all partonic channels at next-to-next-to leading order in perturbative QCD and compare to the available ATLAS 7 TeV data. We discuss the size and shape of the pe... Read More about Next-to-Next-to Leading Order QCD Predictions for Single Jet Inclusive Production at the LHC.

NNLO QCD corrections for Drell-Yan pTZ and ϕ∗η observables at the LHC (2016)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Huss, A., & Morgan, T. (2016). NNLO QCD corrections for Drell-Yan pTZ and ϕ∗η observables at the LHC. Journal of High Energy Physics, 2016(11), Article 094. https://doi.org/10.1007/jhep11%282016%29094

Drell-Yan lepton pairs with finite transverse momentum are produced when the vector boson recoils against (multiple) parton emission(s), and is determined by QCD dynamics. At small transverse momentum, the fixed order predictions break down due to th... Read More about NNLO QCD corrections for Drell-Yan pTZ and ϕ∗η observables at the LHC.

NNLO QCD corrections to Higgs boson production at large transverse momentum (2016)
Journal Article
Chen, X., Cruz-Martinez, J., Gehrmann, T., Glover, E., & Jaquier, M. (2016). NNLO QCD corrections to Higgs boson production at large transverse momentum. Journal of High Energy Physics, 2016(10), Article 66. https://doi.org/10.1007/jhep10%282016%29066

We derive the second-order QCD corrections to the production of a Higgs boson recoiling against a parton with finite transverse momentum, working in the effective field theory in which the top quark contributions are integrated out. To account for qu... Read More about NNLO QCD corrections to Higgs boson production at large transverse momentum.

The NNLO QCD corrections to Z boson production at large transverse momentum (2016)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Huss, A., & Morgan, T. (2016). The NNLO QCD corrections to Z boson production at large transverse momentum. Journal of High Energy Physics, 2016(7), Article 133. https://doi.org/10.1007/jhep07%282016%29133

The transverse momentum distribution of massive neutral vector bosons can be measured to high accuracy at hadron colliders. The transverse momentum is caused by a partonic recoil, and is determined by QCD dynamics. We compute the single and double-di... Read More about The NNLO QCD corrections to Z boson production at large transverse momentum.

Precise QCD predictions for the production of a Z boson in association with a hadronic jet (2016)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Huss, A., & Morgan, T. (2016). Precise QCD predictions for the production of a Z boson in association with a hadronic jet. Physical Review Letters, 117(2), Article 022001. https://doi.org/10.1103/physrevlett.117.022001

We compute the cross section and differential distributions for the production of a Z boson in association with a hadronic jet to next-to-next-to-leading order (NNLO) in perturbative QCD, including the leptonic decay of the Z boson. We present numeri... Read More about Precise QCD predictions for the production of a Z boson in association with a hadronic jet.

Precise QCD predictions for the production of Higgs + jet final states (2015)
Journal Article
Chen, X., Gehrmann, T., Glover, E., & Jaquier, M. (2015). Precise QCD predictions for the production of Higgs + jet final states. Physics Letters B, 740, 147-150. https://doi.org/10.1016/j.physletb.2014.11.021

We compute the cross section and differential distributions for the production of a Standard Model Higgs boson in association with a hadronic jet to next-to-next-to-leading order in quantum chromodynamics (QCD). In Higgs boson studies at the LHC, fin... Read More about Precise QCD predictions for the production of Higgs + jet final states.

EERAD3 : event shapes and jet rates in electron-positron annihilation at order α3s. (2014)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., & Heinrich, G. (2014). EERAD3 : event shapes and jet rates in electron-positron annihilation at order α3s. Computer Physics Communications, 185(12), 3331-3340. https://doi.org/10.1016/j.cpc.2014.07.024

The program EERAD3 computes the parton-level QCD contributions to event shapes and jet rates in electron–positron annihilation to order View the MathML source. For three-jet production and related observables, this corresponds to next-to-next-to-lead... Read More about EERAD3 : event shapes and jet rates in electron-positron annihilation at order α3s..

Update of the Binoth Les Houches Accord for a standard interface between Monte Carlo tools and one-loop programs (2014)
Journal Article
Alioli, S., Badger, S., Bellm, J., Biedermann, B., Boudjema, F., Cullen, G., …Zaro, M. (2014). Update of the Binoth Les Houches Accord for a standard interface between Monte Carlo tools and one-loop programs. Computer Physics Communications, 185(2), 560-571. https://doi.org/10.1016/j.cpc.2013.10.020

We present an update of the Binoth Les Houches Accord (BLHA) to standardise the interface between Monte Carlo programs and codes providing one-loop matrix elements.

First Look at the Physics Case of TLEP (2014)
Journal Article
Bicer, M., DuranYildiz, H., Yildiz, I., Coignet, G., Delmastro, M., Alexopoulos, T., …Chattopadhyay, S. (2014). First Look at the Physics Case of TLEP. Journal of High Energy Physics, 2014(01), Article 164. https://doi.org/10.1007/jhep01%282014%29164

The discovery by the ATLAS and CMS experiments of a new boson with mass around 125 GeV and with measured properties compatible with those of a Standard-Model Higgs boson, coupled with the absence of discoveries of phenomena beyond the Standard Model... Read More about First Look at the Physics Case of TLEP.

NNLO QCD corrections to jet production at hadron colliders from gluon scattering (2014)
Journal Article
Currie, J., Gehrmann-De Ridder, A., Glover, E., & Pires, J. (2014). NNLO QCD corrections to jet production at hadron colliders from gluon scattering. Journal of High Energy Physics, 2014(1), Article 110. https://doi.org/10.1007/jhep01%282014%29110

We present the next-to-next-to-leading order (NNLO) QCD corrections to dijet production in the purely gluonic channel retaining the full dependence on the number of colours. The sub-leading colour contribution in this channel first appears at NNLO an... Read More about NNLO QCD corrections to jet production at hadron colliders from gluon scattering.

Infrared structure at NNLO using antenna subtraction (2013)
Journal Article
Currie, J., Glover, E., & Wells, S. (2013). Infrared structure at NNLO using antenna subtraction. Journal of High Energy Physics, 2013(4), Article 066. https://doi.org/10.1007/jhep04%282013%29066

We consider the infrared structure of hadron-hadron collisions at next-to-next-to leading order using the antenna subtraction method. The general form of the subtraction terms is presented for double real, real-virtual and double virtual contribution... Read More about Infrared structure at NNLO using antenna subtraction.

Second-Order QCD Corrections to Jet Production at Hadron Colliders: The All-Gluon Contribution (2013)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., & Pires, J. (2013). Second-Order QCD Corrections to Jet Production at Hadron Colliders: The All-Gluon Contribution. Physical Review Letters, 110(16), Article 162003. https://doi.org/10.1103/physrevlett.110.162003

We report the calculation of next-to-next-to-leading order QCD corrections in the purely gluonic channel to dijet production and related observables at hadron colliders. Our result represents the first next-to-next-to-leading order calculation of a m... Read More about Second-Order QCD Corrections to Jet Production at Hadron Colliders: The All-Gluon Contribution.

Double virtual corrections for gluon scattering at NNLO (2013)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., & Pires, J. (2013). Double virtual corrections for gluon scattering at NNLO. Journal of High Energy Physics, 2013(2), Article 026. https://doi.org/10.1007/jhep02%282013%29026

We use the antenna subtraction method to isolate the double virtual infrared singularities present in gluonic scattering amplitudes at next-to-next-to-leading order. In previous papers, we derived the subtraction terms that rendered (a) the double re... Read More about Double virtual corrections for gluon scattering at NNLO.

Real-virtual corrections for gluon scattering at NNLO (2012)
Journal Article
Gehrmann-De Ridder, A., Glover, E., & Pires, J. (2012). Real-virtual corrections for gluon scattering at NNLO. Journal of High Energy Physics, 2012(02), https://doi.org/10.1007/jhep02%282012%29141

We use the antenna subtraction method to isolate the mixed real-virtual infrared singularities present in gluonic scattering amplitudes at next-to-next-to-leading order. In a previous paper, we derived the subtraction term that rendered the double re... Read More about Real-virtual corrections for gluon scattering at NNLO.

Two-loop QCD corrections to the helicity amplitudes for H → 3 partons (2012)
Journal Article
Gehrmann, T., Jaquier, M., Glover, E., & Koukoutsakis, A. (2012). Two-loop QCD corrections to the helicity amplitudes for H → 3 partons. Journal of High Energy Physics, 2012(02), https://doi.org/10.1007/jhep02%282012%29056

Many search strategies for the Standard Model Higgs boson apply specific selection criteria on hadronic jets observed in association with the Higgs boson decay products, either in the form of a jet veto, or by defining event samples according to jet... Read More about Two-loop QCD corrections to the helicity amplitudes for H → 3 partons.

Jet rates in electron-positron annihilation at O(alpha_s^3) in QCD (2008)
Journal Article
Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., & Heinrich, G. (2008). Jet rates in electron-positron annihilation at O(alpha_s^3) in QCD. Physical Review Letters, 100(17), Article 172001. https://doi.org/10.1103/physrevlett.100.172001

We compute production rates for two, three, four, and five jets in electron-positron annihilation at the third order in the QCD coupling constant. At this order, three-jet production is described to next-to-next-to-leading order in perturbation theor... Read More about Jet rates in electron-positron annihilation at O(alpha_s^3) in QCD.

Recursion relations for gauge theory amplitudes with massive particles (2005)
Journal Article
Badger, S., Glover, E., Khoze, V., & Svrcek, P. (2005). Recursion relations for gauge theory amplitudes with massive particles. Journal of High Energy Physics, 2005(07), https://doi.org/10.1088/1126-6708/2005/07/025

We derive general tree-level recursion relations for amplitudes which include massive propagating particles. As an illustration, we apply these recursion relations to scattering amplitudes of gluons coupled to massive scalars. We provide new results... Read More about Recursion relations for gauge theory amplitudes with massive particles.

MHV rules for Higgs plus multi-parton amplitudes (2005)
Journal Article
Badger, S., Glover, E., & Khoze, V. (2005). MHV rules for Higgs plus multi-parton amplitudes. Journal of High Energy Physics, 2005(03), https://doi.org/10.1088/1126-6708/2005/03/023

We present MHV-rules for constructing perturbative amplitudes for a Higgs boson and an arbitrary number of partons. We give explicit expressions for amplitudes involving a Higgs and three negative helicity partons and any number of positive helicity... Read More about MHV rules for Higgs plus multi-parton amplitudes.

MHV rules for Higgs plus multi-gluon amplitudes (2004)
Journal Article
Dixon, L., Glover, E., & Khoze, V. (2004). MHV rules for Higgs plus multi-gluon amplitudes. Journal of High Energy Physics, 2004(12), https://doi.org/10.1088/1126-6708/2004/12/015

We use tree-level perturbation theory to show how non-supersymmetric one-loop scattering amplitudes for a Higgs boson plus an arbitrary number of partons can be constructed, in the limit of a heavy top quark, from a generalization of the scalar graph... Read More about MHV rules for Higgs plus multi-gluon amplitudes.

The two-loop QCD matrix element for e^+e^->3 jets (2002)
Journal Article
Garland, L., Gehrmann, T., Glover, E., Koukoutsakis, A., & Remiddi, E. (2002). The two-loop QCD matrix element for e^+e^->3 jets. Nuclear Physics B, 627(1-2), 107-188. https://doi.org/10.1016/s0550-3213%2802%2900057-3

We compute the O(α3 s ) virtual QCD corrections to the γ ∗ →q ¯ qg matrix element arising from the interference of the two-loop with the tree-level amplitude and from the self-interference of the one-loop amplitude. The calculation is performed by re... Read More about The two-loop QCD matrix element for e^+e^->3 jets.

Two-loop QCD corrections to the scattering of massless distinct quarks (2001)
Journal Article
Anastasiou, C., Glover, E., Oleari, C., & Tejeda-Yeomans, M. (2001). Two-loop QCD corrections to the scattering of massless distinct quarks. Nuclear Physics B, 601(1-2), 318-340. https://doi.org/10.1016/s0550-3213%2801%2900079-7

We present the two-loop virtual QCD corrections to the scattering of distinct massless quarks, , in conventional dimensional regularisation. The structure of the infrared divergences agrees with that predicted by Catani while expressions for the fini... Read More about Two-loop QCD corrections to the scattering of massless distinct quarks.

Strong interactions (1997)
Journal Article
Glover, E. (1997). Strong interactions. Acta Physica Polonica B, B28, 979-989

The one-loop QCD corrections for γ∗ → qqgg. (1997)
Journal Article
Campbell, J. M., Glover, E., & Miller, D. (1997). The one-loop QCD corrections for γ∗ → qqgg. Physics Letters B, 409(1-4), 503-508. https://doi.org/10.1016/s0370-2693%2897%2900909-x

We compute the one-loop QCD amplitudes for the decay of an off-shell vector boson with vector couplings into a quark-antiquark pair accompanied by two gluons keeping, for the first time, all orders in the number of colours. Together with previous wor... Read More about The one-loop QCD corrections for γ∗ → qqgg..

The one-loop QCD corrections for γ∗ → QQqq (1997)
Journal Article
Glover, E., & Miller, D. (1997). The one-loop QCD corrections for γ∗ → QQqq. Physics Letters B, 396(1-4), 257-263. https://doi.org/10.1016/s0370-2693%2897%2900113-5

We present the first calculation of the one-loop QCD corrections for the decay of an off-shell vector boson with vector couplings into two pairs of quarks of equal or unequal flavours keeping all orders in the number of colours. These matrix elements... Read More about The one-loop QCD corrections for γ∗ → QQqq.