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Searches for invisible scalar decays at CLIC

by Krzysztof Mekala, Aleksander Filip Zarnecki, Bohdan Grzadkowski, Michal Iglicki

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Submission summary

Authors (as Contributors): Krzysztof Mekala · Aleksander Filip Zarnecki
Submission information
Preprint link: scipost_202204_00003v1
Date accepted: 2022-04-28
Date submitted: 2022-04-02 12:17
Submitted by: Zarnecki, Aleksander Filip
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Experiment

Abstract

The Compact Linear Collider (CLIC) is a proposed TeV-scale high-luminosity electron-positron collider at CERN. The first CLIC running stage, at 380 GeV, will focus on precision Higgs boson and top quark studies while the main aim of the subsequent high-energy stages, at 1.5 TeV and 3 TeV, is to extend the sensitivity of CLIC to different Beyond the Standard Model (BSM) scenarios. We studied the prospects for measuring invisible Higgs boson and additional heavy scalar decays using CLIC data at 380 GeV and 1.5 TeV. The analysis is based on the WHIZARD event generator, with fast simulation of the CLIC detector response parametrised by the DELPHES package. We present the expected limits for the invisible decays of the 125 GeV Higgs boson, the cross section limits for production of an additional neutral Higgs scalar, assuming its invisible decays, and limits on the mixing angle between the SM-like Higgs boson and the new scalar of the "dark sector" in the framework of the vector-fermion dark matter model.

Published as SciPost Phys. Proc. 8, 091 (2022)



Submission & Refereeing History

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Submission scipost_202204_00003v1 on 2 April 2022

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Anonymous Report 1 on 2022-4-6 (Invited Report)

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A well-written report, recommend for acceptance.

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