All 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.