publication . Preprint . 2010

Laboratory constraints on chameleon dark energy and power-law fields

Steffen, Jason H.; Upadhye, Amol; Baumbaugh, Al; Chou, Aaron S.; Mazur, Peter O.; Tomlin, Ray; Weltman, Amanda; Wester, William;
Open Access English
  • Published: 05 Oct 2010
Abstract
We report results from the GammeV Chameleon Afterglow Search---a search for chameleon particles created via photon/chameleon oscillations within a magnetic field. This experiment is sensitive to a wide class of chameleon power-law models and dark energy models not previously explored. These results exclude five orders of magnitude in the coupling of chameleons to photons covering a range of four orders of magnitude in chameleon effective mass and, for individual chameleon models, exclude between 4 and 12 orders of magnitude in chameleon couplings to matter.
Subjects
arxiv: Computer Science::Programming LanguagesAstrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Related Organizations
Funded by
NSF| Center for Cosmological Physics
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 0114422
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
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