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Open LHC Monte Carlo Event Generation
Enrico Bothmann, Jon Butterworth, Shu Chen +16
The LHC physics programme involves a vast amount of Monte Carlo event simulation. This paper reviews current efforts towards sharing the generated events as Open Data. Open Event G…
Global fits and the search for new physics: past, present and future
Peter Athron, Csaba Balázs, Jon Butterworth +15
In this work, we review the history and current role of global fits in the search for physics beyond the Standard Model~(BSM), including precision tests of the Standard Model (SM).…
t-channel dark matter at the LHC -- a whitepaper
Chiara Arina, Benjamin Fuks, Luca Panizzi +67
This report, summarising work achieved in the context of the LHC Dark Matter Working Group, investigates the phenomenology of -channel dark matter models, spanning minimal setup…
Reinterpretation and preservation of data and analyses in HEP
Jon Butterworth, Sabine Kraml, Harrison Prosper +145
Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes…
Probing the sensitivity of semi-visible jets to current LHC measurements using the CONTUR toolkit
Andy Buckley, Jon Butterworth, Louie Corpe +5
Semi-visible jets arise from a hypothetical, strongly interacting ``dark sector'' -- a dark counterpart of quantum chromodynamics whose partial decays back to Standard Model partic…
MITP Colours in Darkness workshop summary report
Jonathan Butterworth, Cesare Cazzaniga, Aran Garcia-Bellido +6
This report summarises the talks and discussions that took place over the course of the MITP Youngst@rs Colours in Darkness workshop 2023. All talks can be found at https://indico.…
Collider constraints on electroweakinos in the presence of a light gravitino
The GAMBIT Collaboration, Viktor Ananyev, Csaba Balázs +19
Using the GAMBIT global fitting framework, we constrain the MSSM with an eV-scale gravitino as the lightest supersymmetric particle, and the six electroweakinos (neutralinos and ch…
Exploring Contur beyond its default mode: a case study
M. M. Altakach, J. M. Butterworth, T. Ježo +2
We discuss Contur's different modes by studying a leptophobic Top-Colour (TC) model. We use, for the first time, higher order calculations for both the signal (NLO) and the backgro…
The PDF4LHC21 combination of global PDF fits for the LHC Run III
Richard D. Ball, Jon Butterworth, Amanda M. Cooper-Sarkar +19
A precise knowledge of the quark and gluon structure of the proton, encoded by the parton distribution functions (PDFs), is of paramount importance for the interpretation of high-e…
Data and Analysis Preservation, Recasting, and Reinterpretation
Stephen Bailey, Christian Bierlich, Andy Buckley +15
We make the case for the systematic, reliable preservation of event-wise data, derived data products, and executable analysis code. This preservation enables the analyses' long-ter…
A standard convention for particle-level Monte Carlo event-variation weights
Enrico Bothmann, Andy Buckley, Christian Gütschow +21
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 c…
Picking the low-hanging fruit: testing new physics at scale with active learning
Juan Rocamonde, Louie Corpe, Gustavs Zilgalvis +2
Since the discovery of the Higgs boson, testing the many possible extensions to the Standard Model has become a key challenge in particle physics. This paper discusses a new method…
Rivet, RivetHZTool and HERA -- A validation effort for coding HERA measurements for Rivet
M. I. Abdulhamid, A. Achilleos, A. Bermudez Martinez +33
During the DESY summer student program 2021, young scientists from more than 13 different countries worked together, connecting from remote, to provide computer codes within the Ri…
Large Hadron Collider Constraints on Some Simple Models for Anomalies
B. C. Allanach, J. M. Butterworth, Tyler Corbett
We examine current Large Hadron Collider constraints on some simple models that significantly improve on Standard Model fits to transition data. The models that…
Probing a leptophobic top-colour model with cross section measurements and precise signal and background predictions: a case study
M. M. Altakach, J. M. Butterworth, T. Ježo +2
The sensitivity of particle-level fiducial cross section measurements from ATLAS, CMS and LHCb to a leptophobic top-colour model is studied. The model has previously been the subje…
New sensitivity of LHC measurements to Composite Dark Matter Models
J. M. Butterworth, L. Corpe, X. Kong +2
We present sensitivity of LHC differential cross-section measurements to so-called "stealth dark matter" scenarios occurring in an SU(N) dark gauge group, where constituents are ch…
Testing new physics models with global comparisons to collider measurements: the Contur toolkit
A. Buckley, J. M. Butterworth, L. Corpe +10
Measurements at particle collider experiments, even if primarily aimed at understanding Standard Model processes, can have a high degree of model independence, and implicitly conta…
A study of collider signatures for two Higgs doublet models with a Pseudoscalar mediator to Dark Matter
J. M. Butterworth, M. Habedank, P. Pani +1
Two Higgs doublet models with an additional pseudoscalar particle coupling to the Standard Model and to a new stable, neutral particle, provide an attractive and fairly minimal rou…
New sensitivity of current LHC measurements to vector-like quarks
A. Buckley, J. M. Butterworth, L. Corpe +2
Quark partners with non-chiral couplings appear in several extensions of the Standard Model. They may have non-trivial generational structure to their couplings, and may be produce…
Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2
Waleed Abdallah, Shehu AbdusSalam, Azar Ahmadov +139
We report on the status of efforts to improve the reinterpretation of searches and measurements at the LHC in terms of models for new physics, in the context of the LHC Reinterpret…
Les Houches 2019 Physics at TeV Colliders: New Physics Working Group Report
G. Brooijmans, A. Buckley, S. Caron +87
This report presents the activities of the `New Physics' working group for the `Physics at TeV Colliders' workshop (Les Houches, France, 10--28 June, 2019). These activities includ…
Robust Independent Validation of Experiment and Theory: Rivet version 3
C. Bierlich, A. Buckley, J. M. Butterworth +12
First released in 2010, the Rivet library forms an important repository for analysis code, facilitating comparisons between measurements of the final state in particle collisions a…
Collider Constraints on Models for Neutral Current Anomalies
B. C. Allanach, J. M. Butterworth, Tyler Corbett
We examine current collider constraints on some simple models that fit neutral current anomalies, including constraints coming from measurements of Standard Model (S…
Monte Carlo event generators for high energy particle physics event simulation
Andy Buckley, Frank Krauss, Simon Plätzer +40
Monte Carlo event generators (MCEGs) are the indispensable workhorses of particle physics, bridging the gap between theoretical ideas and first-principles calculations on the one h…