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Limits on new Lorentz-violating bosons

We obtain novel constraints on new scalar fields interacting with Standard Model fermions through Lorentz-violating couplings, bridging searches for scalar particles and Lorentz-symmetry tests. These constraints arise from torsion-balance experiments, magnetometer searches, and an excessive energy l...

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Bibliographic Details
Main Authors: Carenza, Pierluca (Author) , Jaeckel, Joerg (Author) , Lucente, Giuseppe (Author) , Poddar, T. K. (Author) , Sherrill, N. (Author) , Spannowsky, M. (Author)
Format: Article (Journal)
Language:English
Published: August 26, 2025
In: Journal of high energy physics
Year: 2025, Issue: 8, Pages: 1-33
ISSN:1029-8479
DOI:10.1007/JHEP08(2025)213
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP08(2025)213
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP08(2025)213
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Author Notes:P. Carenza, J. Jaeckel, G. Lucente, T.K. Poddar, N. Sherrill, and M. Spannowsky
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Summary:We obtain novel constraints on new scalar fields interacting with Standard Model fermions through Lorentz-violating couplings, bridging searches for scalar particles and Lorentz-symmetry tests. These constraints arise from torsion-balance experiments, magnetometer searches, and an excessive energy loss in Red Giant stars. Torsion-balance experiments impose stringent constraints, benefitting from large macroscopic sources including the Sun and Earth. Magnetometer-based searches, which detect pseudo-magnetic fields through spin precession, offer additional limiting power to low-mass scalar fields. Meanwhile, observations of Red Giant stars place strong limits on additional energy loss mechanisms, extending these constraints to higher scalar mass ranges and a wider range of Lorentz-violating couplings. Combining data from laboratory experiments and astrophysical observations, this approach strengthens constraints on Lorentz-violating interactions and paves the way for future investigations into physics beyond the Standard Model.
Item Description:Gesehen am 17.02.2026
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP08(2025)213

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