The Borexino Experiment Liquid Scintillator Purification and Containment System

被引：0
|
作者：
Dalnoki-Veress, F. [1 ]
Galbiati, C. [1 ]
Goretti, A. [1 ]
Ianni, An. [1 ]
Pocar, A. [1 ]
Calaprice, F. [1 ]
机构：
[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
来源：
TAUP2007: TENTH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS | 2008年 / 120卷
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D O I：
10.1088/1742-6596/120/5/052036
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Borexino is a large volume, real-time, liquid scintillator detector located at the Gran Sasso National Laboratory in Italy. The principal objective of the detector is to measure mono energetic (862 keV)(7) Be neutrinos from the sun present with a count rate of several tens of events per day. Measurement at this level requires an extremely low internal background due to natural radioactivity present in the detector components. In this paper the techniques used by Borexino to purify the scintillator and to build the nylon containment vessels are described. The unprecedented high radiopurity reached by Borexino permitted for the first time the real-time detection of Be-7 neutrinos from the sun[1].
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