Light scalars coupled to photons and non-Newtonian forces

Arnaud Dupays; Eduard Massó; Javier Redondo; Carlo Rizzo

doi:10.1103/PhysRevLett.98.131802

Light scalars coupled to photons and non-Newtonian forces

Arnaud Dupays, Eduard Massó, Javier Redondo, Carlo Rizzo

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

31 Citations (Scopus)

Abstract

A particle coupling to two photons couples also radiatively to charged particles, like protons. If the particle is a light scalar, this induced coupling leads to spin-independent non-Newtonian forces. We show that the experimental constraints on exotic, fifth-type forces lead to stringent constraints on the γγ coupling. We discuss the impact on the recent PVLAS results and the role of paraphoton models introduced to solve the PVLAS-CAST puzzle. © 2007 The American Physical Society.

Original language	English
Article number	131802
Journal	Physical Review Letters
Volume	98
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.98.131802
Publication status	Published - 27 Mar 2007

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Light scalars coupled to photons and non-Newtonian forces

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