Litcius/Paper detail

HiggsSignals-2: probing new physics with precision Higgs measurements in the LHC 13 TeV era

Philip Bechtle, Sven Heinemeyer, Tobias Klingl, Tim Stefaniak, Georg Weiglein, Jonas Wittbrodt

2021The European Physical Journal C224 citationsDOIOpen Access PDF

Abstract

Abstract The program confronts the predictions of models with arbitrary Higgs sectors with the available Higgs signal rate and mass measurements, resulting in a likelihood estimate. A new version of the program, , is presented that contains various improvements in its functionality and applicability. In particular, the new features comprise improvements in the theoretical input framework and the handling of possible complexities of beyond-the-SM Higgs sectors, as well as the incorporation of experimental results in the form of simplified template cross section (STXS) measurements. The new functionalities are explained, and a thorough discussion of the possible statistical interpretations of the results is provided. The performance of is illustrated for some example analyses. In this context the importance of public information on certain experimental details like efficiencies and uncertainty correlations is pointed out. is continuously updated to the latest experimental results and can be obtained at https://gitlab.com/higgsbounds/higgssignals .

Topics & Concepts

Higgs bosonLarge Hadron ColliderParticle physicsContext (archaeology)Physics beyond the Standard ModelPhysicsComputer scienceStandard Model (mathematical formulation)Section (typography)Cross section (physics)Statistical physicsHiggs sectorTheoretical physicsElementary particleAlgorithmStatistical modelSIGNAL (programming language)Particle physics theoretical and experimental studiesParticle Detector Development and PerformanceNeutrino Physics Research