Search for axionlike particles using a variable-baseline photon-regeneration technique

被引：147

作者：

Chou, A. S. ^{[1
,2
]}

Wester, W. ^{[1
]}

Baumbaugh, A. ^{[1
]}

Gustafson, H. R. ^{[3
]}

Irizarry-Valle, Y. ^{[1
]}

Mazur, P. O. ^{[1
]}

Steffen, J. H. ^{[1
]}

Tomlin, R. ^{[1
]}

Yang, X. ^{[1
]}

Yoo, J. ^{[1
]}

机构：

[1] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[2] NYU, Ctr Cosmol & Particle Phys, New York, NY 10003 USA

[3] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.100.080402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first results of the GammeV experiment, a search for milli-eV mass particles with axionlike couplings to two photons. The search is performed using a "light shining through a wall" technique where incident photons oscillate into new weakly interacting particles that are able to pass through the wall and subsequently regenerate back into detectable photons. The oscillation baseline of the apparatus is variable, thus allowing probes of different values of particle mass. We find no excess of events above background and are able to constrain the two-photon couplings of possible new scalar (pseudoscalar) particles to be less than 3.1x10(-7) GeV(-1) (3.5x10(-7) GeV(-1)) in the limit of massless particles.

引用

页数：4

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