A 45° PROTOTYPE OF THE CENTRAL DRIFT CHAMBER FOR BES AND RESULTS OF COSMIC RAY TEST

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CHEN Chao-Qing, DENG Yi-Wei, LI Ru-Bai, LIU Rong-Guang, SHI Huan-Zhang and WU Jian-Wu. A 45° PROTOTYPE OF THE CENTRAL DRIFT CHAMBER FOR BES AND RESULTS OF COSMIC RAY TEST[J]. Chinese Physics C, 1987, 11(5): 577-583.
CHEN Chao-Qing, DENG Yi-Wei, LI Ru-Bai, LIU Rong-Guang, SHI Huan-Zhang and WU Jian-Wu. A 45° PROTOTYPE OF THE CENTRAL DRIFT CHAMBER FOR BES AND RESULTS OF COSMIC RAY TEST[J]. Chinese Physics C, 1987, 11(5): 577-583. shu
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Received: 1900-01-01
Revised: 1900-01-01
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A 45° PROTOTYPE OF THE CENTRAL DRIFT CHAMBER FOR BES AND RESULTS OF COSMIC RAY TEST

    Corresponding author: CHEN Chao-Qing,

Abstract: It is described that the function,structure, amplitude characteristics and results of cosmic ray test of a prototype of the central drift chamber for Beijing Spectrometer (BES). It was found that if appropriate high voltage is applied on the field wires homogeneous signal amplitude from different Layer of the chamber can be obtained. The drift velocity deduced by track reconstruction is 5.3cm/μs. The spatial resolution is about 134μm.

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