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arXiv 0811.4194physics.ins-detphysics.chem-ph
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电负性气态混合物CS2和CS2的W值、迁移率和气体增益的测量

Measurements of W-value, Mobility and Gas Gain in Electronegative Gaseous CS2 and CS2 Gas Mixtures

Kirill Pushkin, Daniel Snowden-Ifft

摘要:

用单电子正比计数器法测量了40乇压力下电负性气体CS_2和CS_2混合气体的W值、迁移率和气体增益。实验结果表明,CS_2(40 Torr)、CS_2-CF_4(30 Torr - 10 Torr),CS2-Ar(35托- 5托),CS2-Ne(35 Torr - 5 Torr)和CS2-He(35托-5托)气体混合物的最大值为21.1+/-2.7(stat)+/-3(syst)eV、16.4+/-1.8(stat)+/-2(syst)eV、13.1+/-1.5(stat)+/-2(syst)eV,16.3+/-3.0(stat)+/-3(syst)eV和17.3+/-3.0(stat)+/-3(syst)eV。发现所有CS2气体混合物的迁移率略大,并且发现气体增益相对于纯CS2显著更大。

英文摘要:

W-value, mobility and gas gain measurements have been carried out in electronegative gaseous CS2 and CS2 gas mixtures at a pressure of 40 Torr making use of a single electron proportional counter method. The experimental results have revealed that W-values obtained for CS2 (40 Torr), CS2-CF4 (30 Torr - 10 Torr), CS2-Ar (35 Torr - 5 Torr), CS2-Ne (35 Torr - 5 Torr) and CS2-He (35 Torr - 5 Torr) gas mixtures are 21.1+/-2.7(stat)+/-3(syst) eV, 16.4+/-1.8(stat)+/-2(syst) eV, 13.1+/-1.5(stat)+/-2(syst) eV, 16.3+/-3.0(stat)+/-3(syst) eV and 17.3+/-3.0(stat)+/-3(syst) eV. The mobility for all CS2 gas mixtures was found to be slightly greater and the gas gain was found to be significantly greater relative to pure CS2.

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