4.7 Article

New ALPS results on hidden-sector lightweights

Journal

PHYSICS LETTERS B
Volume 689, Issue 4-5, Pages 149-155

Publisher

ELSEVIER
DOI: 10.1016/j.physletb.2010.04.066

Keywords

Experimental tests; Photon regeneration; Resonators and cavities; Axions; Other gauge bosons

Funding

  1. Helmholtz Association
  2. Centre for Quantum Engineering and Space-Time Research (QUEST)
  3. DFG [EXC 153]
  4. [SFB 676]

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The ALPS Collaboration runs a Light Shining through a Wall (LSW) experiment to search for photon oscillations into Weakly Interacting Sub-eV Particles (WISPS) often predicted by extensions of the Standard Model. The experiment is set up around a superconducting HERA dipole magnet at the site of DESY. Due to several upgrades of the experiment we are able to place limits on the probability of photon-WISP-photon conversions of a few x 10(-25). These limits result in today's most stringent laboratory constraints on the existence of low mass axion-like particles, hidden photons and minicharged particles. (C) 2010 Elsevier B.V. All rights reserved.

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