Probing Minicharged Particles with Tests of Coulomb’s Law

Joerg Jaeckel
Phys. Rev. Lett. 103, 080402 – Published 19 August 2009

Abstract

Minicharged particles arise in many extensions of the standard model. Their contribution to the vacuum polarization modifies Coulomb’s law via the Uehling potential. In this Letter, we argue that tests for electromagnetic fifth forces can therefore be a sensitive probe of minicharged particles. In the low mass range μeV existing constraints from Cavendish type experiments provide the best model-independent bounds on minicharged particles.

  • Figure
  • Received 26 May 2009

DOI:https://doi.org/10.1103/PhysRevLett.103.080402

©2009 American Physical Society

Authors & Affiliations

Joerg Jaeckel*

  • Institute for Particle Physics Phenomenology, Durham University, Durham DH1 3LE, United Kingdom

  • *joerg.jaeckel@durham.ac.uk

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Issue

Vol. 103, Iss. 8 — 21 August 2009

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