Experimental Study of Accelerated Aging of Small Cell Drift Chamber Prototype with Radioactive Source

CHEN Chang; MA Yuan-Yuan; LIU Jian-Bei; CHEN Yuan-Bai; JIN Yan; LIU Rong-Guang; MA Xiao-Yan; QIN Zhong-Hua; TANG Xiao; WANG Lan; WU Ling-Hui; XU Mei-Hang; ZHU Qi-

Chinese Physics C> 2005, Vol. 29> Issue(3) : 282-287

Experimental Study of Accelerated Aging of Small Cell Drift Chamber Prototype with Radioactive Source

Institute of High Energy Physics,CAS,Beijing 100049,China2 Graduate School of the Chinese Academy of Sciences,Beijing 100049,China

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Abstract：
An experimental study of accelerated aging of BESIII drift chamber prototype with radioactive source 55Fe 5.9 keV X-ray(1.85X109 Bq)) was done. The dependence of anode current and full energy photo-electron peak of 55Fe 5.9 keV X-ray on the accumulated Q was measured. When total charge Q=0.07C/cm is accumulated (equivalent to 5 operation years of BESIII DC) the anode current is 87% of primary value and aging ratio R=-0.19%/(mC/cm) for small cell was measured.

References

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. BES Ⅲ Colla. The BES Ⅲ Detector (Draft) . June, 2002, 942. Blinov V E et al. Nucl. Instrum. Methods, 2003, A515: 95-107; Blinov V E. Nucl. Instrum. Methods, 1998, A419: 676-6793. Kelsey M H. SLAC-PUB-102244. Bailey D. Nucl. Instrum. Methods, 2003, A515: 37-425. Neibuhr C. Nucl . Instrum. Methods, 2003, A515: 43-496. Padilla C, Albrecht H. Nucl. Instrum. Methods, 2003, A515: 155-1657. Binkley M. Nucl . Instrum. Methods, 2003, A515: 53-59

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CHEN Chang, MA Yuan-Yuan, LIU Jian-Bei, CHEN Yuan-Bai, JIN Yan, LIU Rong-Guang, MA Xiao-Yan, QIN Zhong-Hua, TANG Xiao, WANG Lan, WU Ling-Hui, XU Mei-Hang, ZHU Qi-, Experimental Study of Accelerated Aging of Small Cell Drift Chamber Prototype with Radioactive Source[J]. Chinese Physics C, 2005, 29(3): 282-287.

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Received: 2004-08-10
Revised: 1900-01-01

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