Experimental ion mobility measurements in Ar-N2

被引：0
作者：
Santos, M. A. G. [1 ,2 ]
Cortez, A. F., V [1 ,2 ]
Perdigoto, J. M. C. [1 ]
Escada, J. [1 ,2 ]
Veenhof, R. [3 ,4 ,6 ]
Neves, P. N. B. [5 ]
Santos, F. P. [1 ,2 ]
Conde, C. A. N. [1 ,2 ]
Borges, F. I. G. M. [1 ,2 ]
机构：
[1] Univ Coimbra, Fac Sci & Technol, Dept Phys, Rua Larga, P-3004516 Coimbra, Portugal
[2] Lab Instrumentat & Expt Particle Phys LIP, Rua Larga, P-3004516 Coimbra, Portugal
[3] CERN PH Dept, CH-1211 Geneva 23, Switzerland
[4] Uludag Univ, Dept Phys, TR-16059 Bursa, Turkey
[5] Closer Consultoria LDA, Lisbon, Portugal
[6] Natl Res Nucl Univ MEPhI, Kashirskoe Highway 31, Moscow, Russia
来源：
JOURNAL OF INSTRUMENTATION | 2018年 / 13卷
关键词：
Charge transport and multiplication in gas; Gaseous detectors; Ion sources (positive ions; negative ions; electron cyclotron resonance (ECR); electron bea (EBIS)); Ionization and excitation processes; ELECTRON-IMPACT; CROSS-SECTIONS; EXCITATION; COLLISIONS; ENERGY; N2; NE;
D O I：
10.1088/1748-0221/13/11/P11016
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Data on ion mobility is important to improve the performance of large volume gaseous detectors, since the detector signal can be influenced by the drift of the ions, namely in the cases where charge multiplication is used, for example in Multi-Wire Proportional Chambers (MWPCs) and in some Time Projection Chambers (TPCs). In the present work the results for the ion mobility measurements in Ar-N-2 mixtures are presented, using an experimental setup and method already tested in previous work. The results for this mixture show the presence of only one peak for all gas ratios of Ar-N-2, for reduced electric fields, E/N, in the range of 10-25 Td (2.4-6.1 kV.cm(-1).bar(-1)), and 8 Torr (10.6 mbar) pressure, at room temperature.
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页数：12
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