Constraining disformally coupled scalar fields

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Brax, Philippe and Burrage, Clare (2014) Constraining disformally coupled scalar fields. Physical Review D, D90 (10). 104009/1-104009/18. ISSN 2470-0029

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Official URL: https://journals.aps.org/prd/pdf/10.1103/PhysRevD.90.104009

Abstract

Light scalar fields can naturally couple disformally to matter fields. Static, nonrelativistic sources do not generate a classical field profile for a disformally coupled scalar, and so such scalars are free from the constraints on the existence of fifth forces that are so restrictive for conformally coupled scalars. In this paper we show that disformally coupled scalars can still be studied and constrained through their microscopic interactions with fermions and photons, both in terrestrial laboratories and from observations of stars. The strongest constraint on the coupling scale comes from mono-photon searches at the LHC and requires M≳102 GeV.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/739878
Schools/Departments:	University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number:	10.1103/PhysRevD.90.104009
Depositing User:	Burrage, Clare
Date Deposited:	20 Apr 2017 12:50
Last Modified:	04 May 2020 16:57
URI:	https://eprints.nottingham.ac.uk/id/eprint/42101

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