Performance of a chamber for studying the liquid xenon response to γ-rays and nuclear recoils

被引：8

作者：

Neves, F ^{[1
]}

Chepel, V

Solovov, V

Pereira, A

Lopes, MI

da Cunha, JP

Mendes, P

Lindote, A

Silva, CP

Marques, RF

Policarpo, AJPL

机构：

[1] Univ Coimbra, LIP, P-3004516 Coimbra, Portugal

[2] Univ Coimbra, CFRM, P-3004516 Coimbra, Portugal

[3] Univ Coimbra, Dept Phys, P-3004516 Coimbra, Portugal

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2005年 / 52卷 / 06期

关键词：

gamma-rays; liquid xenon; nuclear recoils; Rayleigh scattering; scintillation;

D O I：

10.1109/TNS.2005.862782

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The design and performance of a 1.2 liter liquid xenon chamber equipped with 7 two-inch photomultiplier tubes, with the purpose of studying the scintillation response of xenon to gamma-rays and neutrons, is described. Measurements with gamma-rays indicate a high VUV light collection efficiency resulting in similar to 5.5 photoelectrons per 1 keV of deposited energy. The energy resolution (FWHM) is 18% and 22%, for 122 keV and 511 keV gamma-rays, respectively. An algorithm for the reconstruction of the scintillation coordinates in (x, y) plane was developed and tested. The position resolution is estimated to be sigma = 6.9 mm for 122 keV gamma-rays.

引用

页码：2793 / 2800

页数：8

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