223 citations · 3k across the 65 of their papers we have counts for
64 papers · 1 filter
What has the LHC told us about the electroweakino sector of the Minimal Supersymmetric Standard Model?
Peter Athron, Csaba Balázs, Andy Buckley +19
We perform global fits of the electroweak sector of the Minimal Supersymmetric Standard Model (MSSM) using a comprehensive set of LEP searches, 34 Run 2 LHC searches, and 63 Run 2…
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).…
Probing thermal leptogenesis and dark matter through primordial gravitational waves from a supercooled universe
Peter Athron, Satyabrata Datta, Zhao-Yang Zhang
We explore the cosmological dynamics of a supercooled first-order phase transition in the classically conformal extension of the Standard Model, where radiative symmet…
The Muon Magnetic Moment and Physics Beyond the Standard Model
Peter Athron, Kilian Möhling, Dominik Stöckinger +1
We review the role of the anomalous magnetic moment of the muon a_μas a powerful probe of physics beyond the Standard Model (BSM), taking advantage of the final result of the Fermi…
Electroweak baryogenesis from charged current anomalies in meson decays
Peter Athron, Michael J. Ramsey-Musolf, Cristian Sierra +1
We demonstrate for the first time that new physics explaining the long standing charged meson anomalies, , can be the source of CP violation that explains the obser…
Global fit to the 2HDM with generic sources of flavour violation using \textsf{GAMBIT}
Peter Athron, Andreas Crivellin, Tomás E. Gonzalo +2
We perform a global statistical analysis of the two-Higgs-doublet model with generic sources of flavour violation using \textsf{GAMBIT}. This is particularly interesting in light o…
meson anomalies and large in non-universal models
Peter Athron, R. Martinez, Cristian Sierra
In view of both the latest LHCb measurement of and the new deviation reported by Belle II on decays, we present a fit to the meson a…
Falsifying Pati-Salam models with LIGO
Peter Athron, Csaba Balázs, Tomás E. Gonzalo +1
We demonstrate that existing gravitational wave data from LIGO already places constraints on well motivated Pati-Salam models that allow the Standard Model to be embedded within gr…
Cosmological phase transitions: from perturbative particle physics to gravitational waves
Peter Athron, Csaba Balázs, Andrew Fowlie +2
Gravitational waves (GWs) were recently detected for the first time. This revolutionary discovery opens a new way of learning about particle physics through GWs from first-order ph…
Supercool subtleties of cosmological phase transitions
Peter Athron, Csaba Balázs, Lachlan Morris
We investigate rarely explored details of supercooled cosmological first-order phase transitions at the electroweak scale, which may lead to strong gravitational wave signals or ex…
How arbitrary are perturbative calculations of the electroweak phase transition?
Peter Athron, Csaba Balazs, Andrew Fowlie +3
We investigate the extent to which perturbative calculations of the electroweak phase transition are arbitrary and uncertain, owing to their gauge, renormalisation scale and scheme…
GM2Calc-2 for the 2HDM
Peter Athron, Csaba Balazs, Adriano Cherchiglia +4
GM2Calc is a leading tool for calculating precise contributions to in the Minimal Supersymmetric Standard Model. In this proceeding we detail GM2Calc version 2 where it is ex…
Global fits of SUSY at future Higgs factories
Peter Athron, Csaba Balazs, Andrew Fowlie +5
In this work, we study the impact of electroweak and Higgs precision measurements at future electron-positron colliders on several typical supersymmetric models, including the Cons…
Likelihood analysis of the flavour anomalies and in the general two Higgs doublet model
Peter Athron, Csaba Balazs, Tomás E. Gonzalo +3
We present a likelihood analysis of the general two Higgs doublet model, using the most important currently measured flavour observables, in view of the anomalies in charged curren…
Simple BSM explanations of in light of the FNAL muon measurement
Peter Athron, Csaba Balázs, Douglas Jacob +3
Now that the Fermilab muon experiment has released the results of its Run-1 data, which agrees with the results of the Brookhaven experiment, one can examine the potential of…
The GAMBIT Universal Model Machine: from Lagrangians to Likelihoods
Sanjay Bloor, Tomás E. Gonzalo, Pat Scott +7
We introduce the GAMBIT Universal Model Machine (GUM), a tool for automatically generating code for the global fitting software framework GAMBIT, based on Lagrangian-level inputs.…
Thermal WIMPs and the Scale of New Physics: Global Fits of Dirac Dark Matter Effective Field Theories
The GAMBIT Collaboration, Peter Athron, Neal Avis Kozar +24
We assess the status of a wide class of WIMP dark matter (DM) models in light of the latest experimental results using the global fitting framework . We perform a…
Simple and statistically sound recommendations for analysing physical theories
Shehu S. AbdusSalam, Fruzsina J. Agocs, Benjamin C. Allanach +72
Physical theories that depend on many parameters or are tested against data from many different experiments pose unique challenges to statistical inference. Many models in particle…
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…
PhaseTracer: tracing cosmological phases and calculating transition properties
Peter Athron, Csaba Balazs, Andrew Fowlie +1
We present a C++ software package called PhaseTracer for mapping out cosmological phases, and potential transitions between them, for Standard Model extensions with any number of s…
New Physics Interpretations with GAMBIT
Peter Athron
I present recent results from the Global and Modular Beyond-the-Standard-Model Inference Tool (GAMBIT) collaboration. Global fits with GAMBIT have been carried out on a variety of…
Strong first-order phase transitions in the NMSSM --- a comprehensive survey
Peter Athron, Csaba Balazs, Andrew Fowlie +3
Motivated by the fact that the Next-to-Minimal Supersymmetric Standard Model is one of the most plausible models that can accommodate electroweak baryogenesis, we analyze its phase…
BubbleProfiler: finding the field profile and action for cosmological phase transitions
Peter Athron, Csaba Balázs, Michael Bardsley +3
We present BubbleProfiler, a C++ software package for finding field profiles in bubble walls and calculating the bounce action during phase transitions involving multiple scalar fi…
FlexibleSUSY: Precise automated calculations in any BSM theory
Peter Athron, Markus Bach, Dylan Harries +7
FlexibleSUSY is a software package for various calculations in any model of physics beyond the standard model (not just any supersymmetric model). FlexibleSUSY can solve boundary v…