Abstract
We describe ColliderBit, a new code for the calculation of high energy collider observables in theories of physics beyond the Standard Model (BSM). ColliderBit features a generic interface to BSM models, a unique parallelised Monte Carlo event generation scheme suitable for large-scale supercomputer applications, and a number of LHC analyses, covering a reasonable range of the BSM signatures currently sought by ATLAS and CMS. ColliderBit also calculates likelihoods for Higgs sector observables, and LEP searches for BSM particles. These features are provided by a combination of new code unique to ColliderBit, and interfaces to existing state-of-the-art public codes. ColliderBit is both an important part of the GAMBIT framework for BSM inference, and a standalone tool for efficiently applying collider constraints to theories of new physics.
Highlights
Despite decades of searches for physics beyond the Standard Model (BSM), we still lack an unambiguous discovery of such physics
We describe ColliderBit, a new code for the calculation of high energy collider observables in theories of physics beyond the Standard Model (BSM)
ColliderBit features a generic interface to BSM models, a unique parallelised Monte Carlo event generation scheme suitable for large-scale supercomputer applications, and a number of Large Hadron Collider (LHC) analyses, covering a reasonable range of the BSM signatures currently sought by ATLAS and CMS
Summary
Despite decades of searches for physics beyond the Standard Model (BSM), we still lack an unambiguous discovery of such physics. Taking into account the sum of data relevant to a given model from the many disparate experimental sources has become a challenging task This problem is addressed in GAMBIT (the Global And Modular Beyond-the-StandardModel Inference Tool) [1], which combines calculations of observables and likelihoods in collider, flavour, dark matter and precision physics with a model database, a flexible system for interfacing to external codes, and a wide selection of different statistical methods and parameter scanning algorithms that can be applied to the models [1]. To the best of our knowledge, no general purpose tool exists to apply LEP BSM search limits, many theorists have implemented their own local codes over the years Packages such as HiggsBounds [33,34,35,36], HiggsSignals [37] and Lilith [38] allow the user to apply constraints on Higgs physics. ColliderBit is released under the terms of the 3-clause BSD license, and can be obtained from gambit.hepforge.org
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