A search for chameleon particles using a photon regeneration technique
arXiv:0806.2438 · doi:10.1103/PhysRevLett.102.030402
Abstract
We report the first results from the GammeV search for chameleon particles, which may be created via photon-photon interactions within a strong magnetic field. Chameleons are hypothesized scalar fields that could explain the dark energy problem. We implement a novel technique to create and trap the reflective particles within a jar and to detect them later via their afterglow as they slowly convert back into photons. These measurements provide the first experimental constraints on the couplings of chameleons to photons.
4 pages, 3 figures, accepted to PRL, minor revisions to introduction and a more quantitative estimate of reflection condition
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- Symmetron Cosmology
- Chameleon Dark Energy and Atom Interferometry
- Detecting Chameleons: The Astronomical Polarization Produced by Chameleon-like Scalar Fields
- Neutron Interferometry constrains dark energy chameleon fields
- Dark energy fifth forces in torsion pendulum experiments
- Chameleons with Field Dependent Couplings
- Chameleon Field Theories
- Constraining resonant photon-axion conversions in the Early Universe
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- Constraining chameleon field theories using the GammeV afterglow experiments
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- Axion Search with Q & A Experiment
- The GammeV suite of experimental searches for axion-like particles
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- Designing dark energy afterglow experiments
- Chameleon Induced Atomic Afterglow
- Hunting dark energy with pressure-dependent photon-photon scattering
- Solar chameleons: Novel channels
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