223 citations · 2k across the 57 of their papers we have counts for
58 papers
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…
Doubling down on proton structure: what double parton scattering can and cannot tell us about partonic separation
Andrew Fowlie, Arthur Moraes, Hao Yang
Double parton scattering provides a unique probe of proton structure and is commonly characterized by the effective cross section . We examine, under the factorized…
Quality control for axions and ALPs
Andrew Cheek, Andrew Fowlie, Gonzalo Herrera
Axions and axion-like particles (ALPs) are protected by Peccei-Quinn (PQ) symmetries that quantum gravity is expected to break. Modeling quantum gravity by Planck-suppressed PQ-bre…
Bring the noise: exact inference from noisy simulations in collider physics
Christopher Chang, Benjamin Farmer, Andrew Fowlie +1
We rely on Monte Carlo (MC) simulations to interpret searches for new physics at the Large Hadron Collider (LHC) and elsewhere. These simulations result in noisy and approximate es…
PhaseTracer2: from the effective potential to gravitational waves
Peter Athron, Csaba Balazs, Andrew Fowlie +4
In recent years, the prospect of detecting gravitational waves sourced from a strongly first-order cosmological phase transition has emerged as one of the most exciting frontiers o…
A comparison of Bayesian sampling algorithms for high-dimensional particle physics and cosmology applications
Joshua Albert, Csaba Balazs, Andrew Fowlie +4
For several decades now, Bayesian inference techniques have been applied to theories of particle physics, cosmology and astrophysics to obtain the probability density functions of…
Precise interpretations of traditional fine-tuning measures
Andrew Fowlie, Gonzalo Herrera
We uncover two precise interpretations of traditional electroweak fine-tuning (FT) measures that were historically missed. (i) a statistical interpretation: the traditional FT meas…
Modeling the -ratio and hadronic contributions to with a Treed Gaussian Process
Andrew Fowlie, Qiao Li
The BNL and FNAL measurements of the anomalous magnetic moment of the muon disagree with the Standard Model (SM) prediction by more than . The hadronic vacuum polarization (HVP…
Can supercooled phase transitions explain the gravitational wave background observed by pulsar timing arrays?
Peter Athron, Andrew Fowlie, Chih-Ting Lu +4
Several pulsar timing array collaborations recently reported evidence of a stochastic gravitational wave background (SGWB) at nHz frequencies. Whilst the SGWB could originate from…
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…
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…
Origins of parameters in adimensional models
Andrew Fowlie
We explore the origins of parameters in adimensional theories -- fundamental theories with no classical massive scales. If the parameters originate as draws from a distribution, it…
Nested sampling statistical errors
Andrew Fowlie, Qiao Li, Huifang Lv +3
Nested sampling (NS) is a popular algorithm for Bayesian computation. We investigate statistical errors in NS both analytically and numerically. We show two analytic results. First…
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…
Nested sampling for physical scientists
Greg Ashton, Noam Bernstein, Johannes Buchner +20
We review Skilling's nested sampling (NS) algorithm for Bayesian inference and more broadly multi-dimensional integration. After recapitulating the principles of NS, we survey deve…
Hadronic Uncertainties versus New Physics for the boson Mass and Muon Anomalies
Peter Athron, Andrew Fowlie, Chih-Ting Lu +3
There are now two single measurements of precision observables that have major anomalies in the Standard Model: the recent CDF measurement of the mass shows a deviation an…
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…
Neyman-Pearson lemma for Bayes factors
Andrew Fowlie
We point out that the Neyman-Pearson lemma applies to Bayes factors if we consider expected type-1 and type-2 error rates. That is, the Bayes factor is the test statistic that maxi…
Publishing statistical models: Getting the most out of particle physics experiments
Kyle Cranmer, Sabine Kraml, Harrison B. Prosper +30
The statistical models used to derive the results of experimental analyses are of incredible scientific value and are essential information for analysis preservation and reuse. In…
Comment on "Accumulating Evidence for the Associate Production of a Neutral Scalar with Mass around 151 GeV"
Andrew Fowlie
A recent paper [2109.02650] accumulates evidence for a new fundamental particle by combining several CMS and ATLAS searches for the Standard Model Higgs boson. The putative particl…
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…
Comment on "Reproducibility and Replication of Experimental Particle Physics Results"
Andrew Fowlie
I would like to thank Junk and Lyons (arXiv:2009.06864) for beginning a discussion about replication in high-energy physics (HEP). Junk and Lyons ultimately argue that HEP learned…
Nested sampling for frequentist computation: fast estimation of small -values
Andrew Fowlie, Sebastian Hoof, Will Handley
We propose a novel method for computing -values based on nested sampling (NS) applied to the sampling space rather than the parameter space of the problem, in contrast to its us…
A comparison of optimisation algorithms for high-dimensional particle and astrophysics applications
The DarkMachines High Dimensional Sampling Group, Csaba Balázs, Melissa van Beekveld +18
Optimisation problems are ubiquitous in particle and astrophysics, and involve locating the optimum of a complicated function of many parameters that may be computationally expensi…