BSM constraints from model-independent measurements: A Contur Update

Abstract

Particle-level measurements, especially of differential cross-sections, made in fiducial regions of phase-space have a high degree of model-independence and can therefore be used to give information about a wide variety of Beyond the Standard Model (BSM) physics implemented in Monte Carlo generators, using a broad range of final states. The Contur package is used to make such comparisons. We summarise a snapshot of current results for a number of BSM scenarios; a UV complete model in which the global Baryon-number minus Lepton-number symmetry is gauged; several Dark Matter simplified models, and two generic light scalar models.

Reinterpretation of LHC Results for New Physics: Status and recommendations after Run 2

“…the DM limits discussed in Ref. [143]. More recent developments of Contur include the correct use of correlated uncertainties when available in HEPData, the ability to use search routines from Rivet as well as measurements, the ability to use SM theory predictions as the background, instead of assuming that the data are identically equal to the SM, and tools for identification of the most sensitive contributing analyses through the parameter space [144].…”

Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2

“…the DM limits discussed in Ref. [143]. More recent developments of Contur include the correct use of correlated uncertainties when available in HEPData, the ability to use search routines from Rivet as well as measurements, the ability to use SM theory predictions as the background, instead of assuming that the data are identically equal to the SM, and tools for identification of the most sensitive contributing analyses through the parameter space [144].…”

Les Houches 2019 Physics at TeV Colliders: New Physics Working Group Report

“…Figure 1 shows the sensitivity (scanned across Λ and M φ , with and without the correlation information. It can be seen that the sensitivity without correlation information is very similar to that shown in [316], indicating both code stability over several CONTUR, RIVET, and HERWIG versions (the version used here is 7.2 [101,189]) and a minor improvement due to a change in the treatment of the ATLAS Z + γ measurement [208], where the electron and muon data are now treated separately rather then being assigned to the same analysis pool. When correlation information is used, the sensitivity is again very similar, with very modest improvement visible at the edges at high scales and low masses, where the limits also become somewhat smoother.…”

“…[88], where the concept was illustrated using a simplified Dark Matter model. Further physics results have been presented in the previous Les Houches proceedings [237](contributions 14 & 20) and subsequent publications [315][316][317][318], as well as in these proceedings 1 . During this time, the code has evolved and several new features have been implemented.…”

“…Examples of how CONTUR can be used to set constraints on new models can be found in Refs. [315][316][317] and the procedure is also discussed in Section 18 of these proceedings.…”