학술논문

A novel experimental search channel for very light higgs bosons in the 2HDM type I.
Document Type
Article
Source
European Physical Journal C -- Particles & Fields. Mar2024, Vol. 84 Issue 3, p1-16. 16p.
Subject
Language
ISSN
1434-6044
Abstract
We present a reinterpretation study of existing results from the CMS Collaboration, specifically, searches for light Beyond the Standard Model (BSM) Higgs pairs produced in the chain decay p p → H SM → h h (a a) into a variety of final states, in the context of the CP-conserving 2-Higgs Doublet Model (2HDM) Type-I. Through this, we test the Large Hadron Collider (LHC) sensitivity to a possible new signature, p p → H SM → Z A → Z Z h , with Z Z → j j μ + μ - and h → b b ¯ . We perform a systematic scan over the 2HDM Type-I parameter space, by taking into account all available theoretical and experimental constraints, in order to find a region with a potentially visible signal. We investigate the significance of it through a full Monte Carlo simulation down to the parametrised detector level. We show that such a signal is an alternative promising channel to standard four-body searches for light BSM Higgs bosons at the LHC already with an integrated luminosity of L = 300 fb - 1 . For a tenfold increase of the latter, discovery should be possible over most of the allowed parameter space. [ABSTRACT FROM AUTHOR]