Photon regeneration experiment for axion search using x-rays

In this Letter we describe our novel photon regeneration experiment for the axionlike particle search using an x-ray beam with a photon energy of 50.2 and 90.7 keV, two superconducting magnets of 3 T, and a Ge detector with a high quantum efficiency. A counting rate of regenerated photons compatible...

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Bibliographic Details
Published in:Physical review letters 2010-12, Vol.105 (25), p.250405-250405
Main Authors: Battesti, R, Fouché, M, Detlefs, C, Roth, T, Berceau, P, Duc, F, Frings, P, Rikken, G L J A, Rizzo, C
Format: Article
Language:English
Subjects:
BEAMS
BOSONS
COUNTING RATES
COUPLING
COUPLING CONSTANTS
EFFICIENCY
ELECTRICAL EQUIPMENT
ELECTROMAGNETIC RADIATION
ELECTROMAGNETS
ELEMENTARY PARTICLES
ENERGY RANGE
GE SEMICONDUCTOR DETECTORS
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
IONIZING RADIATIONS
KEV RANGE
KEV RANGE 10-100
MAGNETIC FIELDS
MAGNETS
MASS
MASSLESS PARTICLES
MEASURING INSTRUMENTS
PHOTONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM EFFICIENCY
RADIATION DETECTORS
RADIATIONS
REGENERATION
SEMICONDUCTOR DETECTORS
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
X RADIATION
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Summary:In this Letter we describe our novel photon regeneration experiment for the axionlike particle search using an x-ray beam with a photon energy of 50.2 and 90.7 keV, two superconducting magnets of 3 T, and a Ge detector with a high quantum efficiency. A counting rate of regenerated photons compatible with zero has been measured. The corresponding limits on the pseudoscalar axionlike particle-two-photon coupling constant is obtained as a function of the particle mass. Our setup widens the energy window of purely terrestrial experiments devoted to the axionlike particle search by coupling to two photons. It also opens a new domain of experimental investigation of photon propagation in magnetic fields.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.105.250405