A Nd-loaded liquid organic scintillator for the experiment aimed at measuring double β decay

被引：9
|
作者：
Barabanov, I. R. [1 ,7 ]
Bezrukov, L. B. [1 ,7 ]
Cattadori, C. [2 ,8 ]
Danilov, N. A. [3 ,9 ]
Di Vacri, A. [4 ,10 ]
Ianni, A. [4 ,10 ]
Nisi, S. [4 ,10 ]
Novikova, G. Ya [1 ,7 ]
Ortica, F. [5 ,11 ,12 ]
Romani, A. [5 ,11 ,12 ]
Salvo, C. [4 ,10 ]
Smirnov, O. Yu [6 ,13 ]
Yanovich, E. A. [1 ,7 ]
机构：
[1] Russian Acad Sci, Inst Nucl Res, Pr Shestidesyatiletiya Oktyabrya 7a, Moscow 119899, Russia
[2] Ist Nazl Fis Nucl Milano Bicocca, Milan, Italy
[3] Russian Acad Sci, Frumkin Inst Phys Chem & Elect, Leninskii pr 31, Moscow 119991, Russia
[4] Laboratori Nazionali Gran Sasso, Ist Nazl Fis Nucleare, Assergi, Italy
[5] Univ Perugia & INFN, Dipartimento Chim, Perugia, Italy
[6] Joint Inst Nucl Res, Dubna 141980, Russia
[7] Russian Acad Sci, Inst Nucl Res, Pr Shestidesyatiletiya Oktyabrya 7A, Moscow 119899, Russia
[8] Ist Nazl Fis Nucl Milano Bicocca, Milan, Italy
[9] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119991, Russia
[10] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Assergi, Italy
[11] Univ Perugia, Dipartimento Chim, I-06100 Perugia, Italy
[12] Ist Nazl Fis Nucl, I-06100 Perugia, Italy
[13] Joint Inst Nucl Res, Dubna 141980, Moscow Oblast, Russia
来源：
INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2012年 / 55卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
DETECTOR;
D O I：
10.1134/S0020441212040033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new Nd-loaded liquid organic scintillator based on pseudocumene (PC) solvent was developed for the experiment aimed at searching for 0 nu(II2)-I-2 decay of a Nd-150 nucleus. The optical characteristics of the scintillator were measured for several Nd concentrations. The measurements taken using two modules 1 and 2 m in length have made it possible to determine the effective attenuation length of the PC scintillator containing Nd (6.5 g/L). It was demonstrated that the scintillator characteristics remained unaltered over 1 year. The content of radioactive contaminants was analyzed, and the sensitivity of the experiment to effective Majorana neutrino mass aOE (c) m (nu)> similar to 0.05-0.10 eV was estimated for a detector containing a 12-ton scintillator.
引用
收藏
页码：545 / 550
页数：6
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