Dark Higgs bosons at the ForwArd Search ExpeRiment

FASER, ForwArd Search ExpeRiment at the LHC, has been proposed as a small, very far forward detector to discover new, light, weakly-coupled particles. Previous work showed that with a total volume of just ∼0.1–1  m3, FASER can discover dark photons in a large swath of currently unconstrained paramet...

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Published in:Physical review. D 2018-03, Vol.97 (5)
Main Authors: Feng, Jonathan L, Galon, Iftah, Kling, Felix, Trojanowski, Sebastian
Format: Article
Language:English
Subjects:
Atoms & subatomic particles
Bosons
Collimation
Foils
Higgs bosons
Large Hadron Collider
Photons
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
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creator Feng, Jonathan L
Galon, Iftah
Kling, Felix
Trojanowski, Sebastian
description FASER, ForwArd Search ExpeRiment at the LHC, has been proposed as a small, very far forward detector to discover new, light, weakly-coupled particles. Previous work showed that with a total volume of just ∼0.1–1  m3, FASER can discover dark photons in a large swath of currently unconstrained parameter space, extending the discovery reach of the LHC program. Here we explore FASER’s discovery prospects for dark Higgs bosons. These scalar particles are an interesting foil for dark photons, as they probe a different renormalizable portal interaction and are produced dominantly through B and K meson decays, rather than pion decays, leading to less collimated signals. Nevertheless, we find that FASER is also a highly sensitive probe of dark Higgs bosons with significant discovery prospects that are comparable to, and complementary to, much larger proposed experiments.
doi_str_mv 10.1103/PhysRevD.97.055034
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source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects Atoms & subatomic particles
Bosons
Collimation
Foils
Higgs bosons
Large Hadron Collider
Photons
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
title Dark Higgs bosons at the ForwArd Search ExpeRiment
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