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.

Photon splitting corrections to soft-photon resummation (2023)
Journal Article
Flower, L., & Schönherr, M. (2023). Photon splitting corrections to soft-photon resummation. Journal of High Energy Physics, 2023(3), https://doi.org/10.1007/jhep03%282023%29238

In this paper we present an algorithm to add photon-splitting corrections to the Yennie-Frautschi-Suura-style soft-photon resummation available in the SHERPA MonteCarlo event generator. Photon-splitting corrections enter at NNLO in QED and, as these... Read More about Photon splitting corrections to soft-photon resummation.

Multi-variable integration with a neural network (2023)
Journal Article
Maître, D., & Santos-Mateos, R. (2023). Multi-variable integration with a neural network. Journal of High Energy Physics, 2023(3), https://doi.org/10.1007/jhep03%282023%29221

In this article we present a method for automatic integration of parametric integrals over the unit hypercube using a neural network. The method fits a neural network to the primitive of the integrand using a loss function designed to minimize the di... Read More about Multi-variable integration with a neural network.

Effective limits on single scalar extensions in the light of recent LHC data (2023)
Journal Article
Anisha, Das Bakshi, S., Banerjee, S., Biekötter, A., Chakrabortty, J., Patra, S. K., & Spannowsky, M. (2023). Effective limits on single scalar extensions in the light of recent LHC data. Physical Review D, 107(5), Article 055028. https://doi.org/10.1103/physrevd.107.055028

In this paper, we work with 16 different single scalar particle extensions of the Standard Model. We present the sets of dimension-six effective operators and the associated Wilson coefficients as functions of model parameters after integrating out t... Read More about Effective limits on single scalar extensions in the light of recent LHC data.

Dispersion relations for B−→ℓ−ν¯ℓℓ′−ℓ′+ form factors (2023)
Journal Article
Kürten, S., Zanke, M., Kubis, B., & van Dyk, D. (2023). Dispersion relations for B−→ℓ−ν¯ℓℓ′−ℓ′+ form factors. Physical Review D, 107(5), Article 053006. https://doi.org/10.1103/physrevd.107.053006

Les Houches 2021—physics at TeV colliders: report on the standard model precision wishlist (2023)
Journal Article
Huss, A., Huston, J., Jones, S., & Pellen, M. (2023). Les Houches 2021—physics at TeV colliders: report on the standard model precision wishlist. Journal of Physics G: Nuclear and Particle Physics, 50(4), Article 043001. https://doi.org/10.1088/1361-6471/acbaec

Les Houches activities in 2021 were truncated due to the lack of an in-person component. However, given the rapid progress in the field and the restart of the LHC, we wanted to continue the bi-yearly tradition of updating the standard model precision... Read More about Les Houches 2021—physics at TeV colliders: report on the standard model precision wishlist.

Gravitational wave constraints on extended dark matter structures (2023)
Journal Article
Croon, D., Ipek, S., & McKeen, D. (2023). Gravitational wave constraints on extended dark matter structures. Physical Review D, 107(6), Article 063012. https://doi.org/10.1103/physrevd.107.063012

We generalize existing constraints on primordial black holes to dark objects with extended sizes using the aLIGO design sensitivity. We show that LIGO is sensitive to dark objects with radius Oð10 − 103 kmÞ if they make up more than ∼Oð10−2 − 10−3Þ o... Read More about Gravitational wave constraints on extended dark matter structures.

Integrating out heavy scalars with modified equations of motion: Matching computation of dimension-eight SMEFT coefficients (2023)
Journal Article
Banerjee, U., Chakrabortty, J., Englert, C., Rahaman, S. U., & Spannowsky, M. (2023). Integrating out heavy scalars with modified equations of motion: Matching computation of dimension-eight SMEFT coefficients. Physical Review D, 107(5), Article 055007. https://doi.org/10.1103/physrevd.107.055007

The shift in focus towards searches for physics beyond the Standard Model employing model-independent effective field theory methods necessitates a rigorous approach to matching to guarantee the validity of the obtained results and constraints. The l... Read More about Integrating out heavy scalars with modified equations of motion: Matching computation of dimension-eight SMEFT coefficients.

High energy resummed predictions for the production of a Higgs boson with at least one jet (2023)
Journal Article
Andersen, J. R., Hassan, H., Maier, A., Paltrinieri, J., Papaefstathiou, A., & Smillie, J. M. (2023). High energy resummed predictions for the production of a Higgs boson with at least one jet. Journal of High Energy Physics, 2023(3), Article 1 (2023). https://doi.org/10.1007/jhep03%282023%29001

We present all-order predictions for Higgs boson production plus at least one jet which are accurate to leading logarithm in s^/|p⊥|2. Our calculation includes full top and bottom quark mass dependence at all orders in the logarithmic part, and to hi... Read More about High energy resummed predictions for the production of a Higgs boson with at least one jet.

Resolving the flavor structure in the MFV-SMEFT (2023)
Journal Article
Bruggisser, S., van Dyk, D., & Westhoff, S. (2023). Resolving the flavor structure in the MFV-SMEFT. Journal of High Energy Physics, 2023(2), https://doi.org/10.1007/jhep02%282023%29225

We constrain the flavor structure of Wilson coefficients in the Standard Model Effective Field Theory (SMEFT) from data. In the SMEFT, new physics effects in couplings of up-type and down-type quarks are related through the Cabibbo-Kobayashi-Maskawa... Read More about Resolving the flavor structure in the MFV-SMEFT.

Discrete Goldstone bosons (2023)
Journal Article
Enguita-Vileta, V., Gavela, B., Houtz, R., & Quilez, P. (2023). Discrete Goldstone bosons. Physical Review D, 107(3), Article 035009. https://doi.org/10.1103/physrevd.107.035009

Exact discrete symmetries, if nonlinearly realized, can reduce the ultraviolet sensitivity of a given theory. The scalars stemming from spontaneous symmetry breaking are massive without breaking the discrete symmetry, and those masses are protected f... Read More about Discrete Goldstone bosons.

A standard convention for particle-level Monte Carlo event-variation weights (2023)
Journal Article
Bothmann, E., Buckley, A., Gütschow, C., Prestel, S., Schönherr, M., Skands, P., …Siódmok, A. (2023). A standard convention for particle-level Monte Carlo event-variation weights. SciPost Physics Core, 6, Article 007. https://doi.org/10.21468/scipostphyscore.6.1.007

Streams of event weights in particle-level Monte Carlo event generators are a convenient and immensely CPU-efficient approach to express systematic uncertainties in phenomenology calculations, providing systematic variations on the nominal prediction... Read More about A standard convention for particle-level Monte Carlo event-variation weights.

Projected transverse momentum resummation in top-antitop pair production at LHC (2023)
Journal Article
Ju, W., & Schönherr, M. (2023). Projected transverse momentum resummation in top-antitop pair production at LHC. Journal of High Energy Physics, 2023(2), Article 75 (2023). https://doi.org/10.1007/jhep02%282023%29075

The transverse momentum distribution of the tt¯ system is of both experimental and theoretical interest. In the presence of azimuthally asymmetric divergences, pursuing resummation at high logarithmic precision is rather demanding in general. In this... Read More about Projected transverse momentum resummation in top-antitop pair production at LHC.

Quantum fitting framework applied to effective field theories (2023)
Journal Article
Criado, J. C., Spannowsky, M., & Kogler, R. (2023). Quantum fitting framework applied to effective field theories. Physical Review D, 107(1), Article 015023. https://doi.org/10.1103/physrevd.107.015023

The use of experimental data to constrain the values of the Wilson coefficients of an effective field theory involves minimizing a χ2 function that may contain local minima. Classical optimization algorithms can become trapped in these minima, preven... Read More about Quantum fitting framework applied to effective field theories.

Muon-electron scattering at NNLO (2023)
Journal Article
Broggio, A., Engel, T., Ferroglia, A., Mandal, M., Mastrolia, P., Rocco, M., …Zoller, M. (2023). Muon-electron scattering at NNLO. Journal of High Energy Physics, 2023, Article 112 (2023). https://doi.org/10.1007/jhep01%282023%29112

We present the first calculation of the complete set of NNLO QED corrections for muon-electron scattering. This includes leptonic, non-perturbative hadronic, and photonic contributions. All fermionic corrections as well as the photonic subset that on... Read More about Muon-electron scattering at NNLO.

The present and future status of heavy neutral leptons (2023)
Journal Article
Abdullahi, A. M., Barham Alzás, P., Batell, B., Beacham, J., Boyarsky, A., Carbajal, S., …Yu, J. (2023). The present and future status of heavy neutral leptons. Journal of Physics G: Nuclear and Particle Physics, 50(2), Article 020501. https://doi.org/10.1088/1361-6471/ac98f9

The existence of nonzero neutrino masses points to the likely existence of multiple Standard Model neutral fermions. When such states are heavy enough that they cannot be produced in oscillations, they are referred to as heavy neutral leptons (HNLs).... Read More about The present and future status of heavy neutral leptons.

Searches for QCD instantons with forward proton tagging (2023)
Journal Article
Tasevsky, M., Khoze, V., Milne, D., & Ryskin, M. (in press). Searches for QCD instantons with forward proton tagging. The European Physical Journal C, 83(1), https://doi.org/10.1140/epjc/s10052-023-11178-7

We study the possibility to observe heavy (Minst>60 GeV) QCD instantons at the LHC in events with one or two tagged leading protons including fast simulation of detector and pile-up effects. We show that the expected instanton signal in a single-tagg... Read More about Searches for QCD instantons with forward proton tagging.