Investigation of ββ decay modes in 134Xe and 136Xe

被引:129
作者
Bernabei, R [1 ]
Belli, P
Cappella, F
Cerulli, R
Montecchia, F
Incicchitti, A
Prosperi, D
Dai, CJ
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] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[4] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[5] Chinese Acad, IHEP, Beijing 100039, Peoples R China
关键词
D O I
10.1016/S0370-2693(02)02671-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A new investigation of Pp decay modes in Xe-134 and in Xe-136 is presented. The data have been collected deep underground at the Gran Sasso National Laboratory of the INFN over a period of 8823.54 hours with the similar or equal to 6.5 kg DAMA liquid xenon pure scintillator, filled by Kr-free xenon containing 17.1 % of Xe-134 and 68.8% of Xe-136. New limits are set for various decay modes. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:23 / 28
页数:6
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