Search for non Standard Model Higgs boson decays in events with displaced muon-jets

TL;DR

This paper reports on a CMS search for non-Standard Model Higgs decays involving displaced muon-jets, aiming to identify potential signals of new light bosons predicted by various BSM theories.

Contribution

The study presents the current status of a novel search strategy for exotic Higgs decays involving displaced muon-jets at the LHC.

Findings

No significant excess observed over the Standard Model background.

Constraints placed on models predicting light bosons decaying into muons.

Enhanced sensitivity to hidden valley or dark SUSY scenarios.

Abstract

New light bosons that couple weakly to the standard model (SM) particles are predicted in various extensions of the standard model (BSM). Examples include supersymmetric (SUSY) theories with extended Higgs sectors or with a hidden valleys (dark SUSY). In these models the light bosons can be produced directly in the decay of a Higgs boson, or as part of the decay chain of SUSY particles. Depending on the branching fraction, the exotic decays of the SM-Higgs can be undetected in standard analysis techniques or due to its modified production cross section of the Higgs bosons at the LHC. Therefore, direct searches for non-SM decays of the Higgs boson are the fastest way to understand the nature of the Higgs boson. Either it will confirm its SM character, or it will rule out a whole array of BSM scenarios. We present status of the search at CMS for non-SM Higgs boson decays in events with displaced muon-jets.