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Search for solar axions by Primakoff effect in NaI crystals

被引：156
作者：
Bernabei, R [1 ]
Belli, P
Cerulli, R
Montecchia, F
Nozzoli, F
Incicchitti, A
Prosperi, D
Dai, CJ
He, HL
Kuang, HH
Ma, JM
机构：
[1] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy
[2] Ist Nazl Fis Nucl, Sez Roma 2, I-00133 Rome, Italy
[3] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[4] Univ Rome La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[5] Chinese Acad, IHEP, Beijing 100039, Peoples R China
[6] Univ Turin, Dipartimento Fis Teor, I-10125 Turin, Italy
[7] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
来源：
PHYSICS LETTERS B | 2001年 / 515卷 / 1-2期
关键词：
dark matter; axions; Bragg scattering;
D O I：
10.1016/S0370-2693(01)00840-1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The results of a search for possible signal due to Primakoff coherent conversion of solar axions into photons in NaI(Tl) are presented. The experiment has been carried out at the Gran Sasso National Laboratory of INFN; the used statistics is 53437 kg day. The presently most stringent experimental limit on g(a gamma gamma) from this process is obtained: g(a gamma gamma) < 1.7 x 10(-9) GeV-1 (90% C.L.). In particular, the axion mass window m(a) greater than or similar to 0.03 eV, not accessible by other direct methods, is explored and KSVZ axions with mass larger than 4.6 eV are excluded at 90% C.L. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：6 / 12
页数：7
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