Drift field improvement and test in a GEM-TPC prototype

ZHENG Bao-Jun; LI Yu-Lan; DENG Zhi-Yong; LI Bo

doi:10.1088/1674-1137/35/1/012

Chinese Physics C> 2011, Vol. 35> Issue(1) : 56-60 DOI: 10.1088/1674-1137/35/1/012

Drift field improvement and test in a GEM-TPC prototype

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Abstract：
With the help of Maxwell, Ansys and Garfield, a simulation of the electric field and the deviation of electron drift in the drift volume of a GEM-TPC prototype has been accomplished under the following conditions: Field Cages with one-side and double-side strips, with and without a guard ring. The advantage and necessity of a Field Cage with mirror strips and a guard ring were foreseen. According to the simulation results, TU-TPC was modified and tested; a larger effective area and better resolution were achieved.

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ZHENG Bao-Jun, LI Yu-Lan, DENG Zhi-Yong and LI Bo. Drift field improvement and test in a GEM-TPC prototype[J]. Chinese Physics C, 2011, 35(1): 56-60. doi: 10.1088/1674-1137/35/1/012

ZHENG Bao-Jun, LI Yu-Lan, DENG Zhi-Yong and LI Bo. Drift field improvement and test in a GEM-TPC prototype[J]. Chinese Physics C, 2011, 35(1): 56-60. doi: 10.1088/1674-1137/35/1/012 shu

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Received: 2010-03-26
Revised: 2010-04-20

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沈阳化工大学材料科学与工程学院沈阳 110142

Drift field improvement and test in a GEM-TPC prototype

Received Date: 2010-03-26
Accepted Date: 2010-04-20
Available Online: 2011-01-05

Abstract: With the help of Maxwell, Ansys and Garfield, a simulation of the electric field and the deviation of electron drift in the drift volume of a GEM-TPC prototype has been accomplished under the following conditions: Field Cages with one-side and double-side strips, with and without a guard ring. The advantage and necessity of a Field Cage with mirror strips and a guard ring were foreseen. According to the simulation results, TU-TPC was modified and tested; a larger effective area and better resolution were achieved.