Low temperature testing and neutron irradiation of a swept charge device on board the HXMT satellite

被引：6

作者：

Wang Yu-Sa ^{[1
]}

Chen Yong ^{[1
]}

Xu Yu-Peng ^{[1
]}

Yang Yan-Ji ^{[1
,2
]}

Cui Wei-Wei ^{[1
]}

Li Mao-Shun ^{[1
]}

Liu Xiao-Yan ^{[1
,2
]}

Wang Juan ^{[1
]}

Han Da-Wei ^{[1
]}

Chen Tian-Xiang ^{[1
]}

Li Cheng-Kui ^{[1
]}

Huo Jia ^{[1
]}

Li Zheng-Wei ^{[1
]}

Li Wei ^{[1
]}

Hu Wei ^{[1
]}

Zhang Yi ^{[1
]}

Lu Bo ^{[1
]}

Zhu Yue ^{[1
]}

Liu Yan ^{[1
,3
]}

Wu Di ^{[1
,3
]}

Sun Qing-Rong ^{[1
,4
]}

Zhang Zi-Liang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

[2] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China

[3] Yunnan Univ, Sch Phys Sci & Technol, Kunming 650091, Peoples R China

[4] Beijing Univ Chem Technol, Beijing 100029, Peoples R China

来源：

CHINESE PHYSICS C | 2012年 / 36卷 / 10期

关键词：

SCD; HXMT; energy resolution; readout noise; neutron irradiation; CCD;

D O I：

10.1088/1674-1137/36/10/013

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present the low temperature testing of an SCD detector, investigating its performance such as readout noise, energy resolution at 5.9 keV and dark current. The SCD's performance is closely related to temperature, and the temperature range of -80 degrees C to -50 degrees C is the best choice, where the FWHM at 5.9 key is about 130 eV. The influence of the neutron irradiation from an electrostatic accelerator with fluence up to 1 x 10(9) cm(-2) has been examined. We find the SCD is not vulnerable to neutron irradiation. The detailed operations of the SCD and the test results of low temperature are reported, and the results of neutron irradiation are discussed.

引用

页码：991 / 995

页数：5

共 7 条

[1]

Barendranath S, 2010, NUCL INSTRUMENTS M A, V621, P344

[2] X-ray CCD response functions, front to back [J].