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HighPT: A tool for high-pt Drell-Yan tails beyond the standard model


Allwicher, Lukas; Faroughy, Darius A; Jaffredo, Florentin; Sumensari, Olcyr; Wilsch, Felix (2023). HighPT: A tool for high-pt Drell-Yan tails beyond the standard model. Computer Physics Communications, 289:108749.

Abstract

HighPT is a Mathematica package for the analysis of high-energy data of semileptonic transitions at hadron colliders. It allows to compute high- tail observables for semileptonic processes, i.e. Drell-Yan cross sections, for dilepton and monolepton final states at the LHC. These observables can be calculated at tree level within the Standard Model Effective Field Theory, including the relevant operators up to dimension eight to ensure a consistent description of the cross section including terms of in the cutoff scale O(Λ$^{-4}$. For New Physics models with new mediators that can be resolved at LHC energies, HighPT can also account for the full propagation effects of these new bosonic states at tree level. Using the available data from the high- tails in the relevant LHC run-II searches by the ATLAS and CMS collaborations, HighPT can also construct the corresponding likelihoods for all possible flavors of the leptonic final states. As an illustration, we derive and compare constraints on Wilson coefficients at different orders in the Effective Field Theory expansion, and we investigate lepton flavor violation for the leptoquark model. The HighPT code is publicly available at Image 2.

Abstract

HighPT is a Mathematica package for the analysis of high-energy data of semileptonic transitions at hadron colliders. It allows to compute high- tail observables for semileptonic processes, i.e. Drell-Yan cross sections, for dilepton and monolepton final states at the LHC. These observables can be calculated at tree level within the Standard Model Effective Field Theory, including the relevant operators up to dimension eight to ensure a consistent description of the cross section including terms of in the cutoff scale O(Λ$^{-4}$. For New Physics models with new mediators that can be resolved at LHC energies, HighPT can also account for the full propagation effects of these new bosonic states at tree level. Using the available data from the high- tails in the relevant LHC run-II searches by the ATLAS and CMS collaborations, HighPT can also construct the corresponding likelihoods for all possible flavors of the leptonic final states. As an illustration, we derive and compare constraints on Wilson coefficients at different orders in the Effective Field Theory expansion, and we investigate lepton flavor violation for the leptoquark model. The HighPT code is publicly available at Image 2.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Hardware and Architecture
Physical Sciences > General Physics and Astronomy
Uncontrolled Keywords:General Physics and Astronomy, Hardware and Architecture
Language:English
Date:1 August 2023
Deposited On:11 Jan 2024 11:56
Last Modified:30 Jun 2024 01:36
Publisher:Elsevier
ISSN:0010-4655
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1016/j.cpc.2023.108749
Project Information:
  • : FunderEuropean Research Council
  • : Grant ID
  • : Project Title
  • : FunderH2020
  • : Grant ID833280
  • : Project TitleFLAY - Flavor Anomalies and the origin of the Yukawa couplings
  • : FunderEuropean Research Council
  • : Grant ID
  • : Project Title
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)