Search for Chameleon Scalar Fields with the Axion Dark Matter Experiment

Journal Article · Fri Jul 30 04:00:00 EDT 2010 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.105.051801· OSTI ID:21410946

Rybka, G; Hotz, M; Rosenberg, L J; Asztalos, S J; Carosi, G; Hagmann, C; Kinion, D; van Bibber, K; Hoskins, J; Martin, C; Sikivie, P; Tanner, D B; Bradley, R; Clarke, J ^[1]

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1. University of Washington, Seattle, Washington 98195 (United States)

Scalar fields with a 'chameleon' property, in which the effective particle mass is a function of its local environment, are common to many theories beyond the standard model and could be responsible for dark energy. If these fields couple weakly to the photon, they could be detectable through the afterglow effect of photon-chameleon-photon transitions. The ADMX experiment was used in the first chameleon search with a microwave cavity to set a new limit on scalar chameleon-photon coupling {beta}{sub {gamma}}excluding values between 2x10{sup 9} and 5x10{sup 14} for effective chameleon masses between 1.9510 and 1.9525 {mu}eV.

• OSTI ID: 21410946
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 5 Vol. 105; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AFTERGLOW
BOSONS
COUPLING
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
FIELD THEORIES
GRAND UNIFIED THEORY
MASS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MATTER
MICROWAVE RADIATION
NONLUMINOUS MATTER
PARTICLE MODELS
PHOTONS
QUANTUM FIELD THEORY
RADIATIONS
SCALAR FIELDS
STANDARD MODEL
UNIFIED GAUGE MODELS