Search for solar axions with mass around 1 eV using coherent conversion of axions into photons

被引：102

作者：

Inoue, Y. ^{[2
,4
]}

Akimoto, Y. ^{[1
]}

Ohta, R. ^{[1
]}

Mizumoto, T. ^{[1
]}

Yamamoto, A. ^{[3
,4
]}

Minowa, M. ^{[1
,4
]}

机构：

[1] Univ Tokyo, Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[2] Univ Tokyo, Int Ctr Elementary Particle Phys, Bunkyo Ku, Tokyo 1130033, Japan

[3] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan

[4] Univ Tokyo, Sch Sci, Res Ctr Early Universe RESCEU, Bunkyo Ku, Tokyo 1130033, Japan

来源：

PHYSICS LETTERS B | 2008年 / 668卷 / 02期

关键词：

Solar axion; Helioscope; PIN photodiode; Superconducting magnet;

D O I：

10.1016/j.physletb.2008.08.020

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for solar axions has been performed using an axion helioscope which is equipped with a 2.3-m long 4 T superconducting magnet, a gas container to hold dispersion-matching gas, PIN-photodiode X-ray detectors, and a telescope mount mechanism to track the sun. A mass region around m(a) = 1 eV was newly explored. From the absence of any evidence, analysis sets a limit on axion-photon coupling constant to be g(a gamma gamma) < 5.6-13.4 x 10(-10) GeV-1 for the axion mass of 0.84 < m(a) < 1.00 eV at 95% confidence level. It is the first result to search for the axion in the g(a gamma gamma)-m(a) parameter region of the preferred axion models with a magnetic helioscope. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：93 / 97

页数：5

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