Scalar radiation zeros at the LHC

Abstract We consider a class of singlet scalar extensions of the Standard Model of particle physics in which the scalar couples only to off-shell states. As a result, low-order tree-level processes involving the singlet scalar vanish, providing a unique phenomenology that may allow to evade existing...

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Main Authors: Christoph Englert, Andrei Lazanu, Peter Millington
Format: Article
Language:English
Published: SpringerOpen 2024-12-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP12(2024)176
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author Christoph Englert
Andrei Lazanu
Peter Millington
author_facet Christoph Englert
Andrei Lazanu
Peter Millington
author_sort Christoph Englert
collection DOAJ
description Abstract We consider a class of singlet scalar extensions of the Standard Model of particle physics in which the scalar couples only to off-shell states. As a result, low-order tree-level processes involving the singlet scalar vanish, providing a unique phenomenology that may allow to evade existing constraints on new singlet scalar fields. We describe search strategies for such states at the Large Hadron Collider and identify the parameter space that can be explored in the future.
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institution Kabale University
issn 1029-8479
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publishDate 2024-12-01
publisher SpringerOpen
record_format Article
series Journal of High Energy Physics
spelling doaj-art-60fda4904b7d4a32a7e84d290f5fa0da2025-01-05T12:06:02ZengSpringerOpenJournal of High Energy Physics1029-84792024-12-0120241211310.1007/JHEP12(2024)176Scalar radiation zeros at the LHCChristoph Englert0Andrei Lazanu1Peter Millington2School of Physics & Astronomy, University of GlasgowDepartment of Physics and Astronomy, University of ManchesterDepartment of Physics and Astronomy, University of ManchesterAbstract We consider a class of singlet scalar extensions of the Standard Model of particle physics in which the scalar couples only to off-shell states. As a result, low-order tree-level processes involving the singlet scalar vanish, providing a unique phenomenology that may allow to evade existing constraints on new singlet scalar fields. We describe search strategies for such states at the Large Hadron Collider and identify the parameter space that can be explored in the future.https://doi.org/10.1007/JHEP12(2024)176New Light ParticlesSpecific BSM Phenomenology
spellingShingle Christoph Englert
Andrei Lazanu
Peter Millington
Scalar radiation zeros at the LHC
Journal of High Energy Physics
New Light Particles
Specific BSM Phenomenology
title Scalar radiation zeros at the LHC
title_full Scalar radiation zeros at the LHC
title_fullStr Scalar radiation zeros at the LHC
title_full_unstemmed Scalar radiation zeros at the LHC
title_short Scalar radiation zeros at the LHC
title_sort scalar radiation zeros at the lhc
topic New Light Particles
Specific BSM Phenomenology
url https://doi.org/10.1007/JHEP12(2024)176
work_keys_str_mv AT christophenglert scalarradiationzerosatthelhc
AT andreilazanu scalarradiationzerosatthelhc
AT petermillington scalarradiationzerosatthelhc