Extraction efficiency of drifting electrons in a two-phase xenon time projection chamber

被引：12
|
作者：
Edwards, B. N. V. [1 ,6 ]
Bernard, E. [1 ,2 ,3 ]
Boulton, E. M. [1 ,2 ,3 ]
Destefano, N. [4 ,7 ]
Gai, M. [5 ]
Horn, M. [1 ,2 ,8 ]
Larsen, N. [1 ,9 ]
Tennyson, B. [1 ,10 ]
Tvrznikova, L. [1 ,2 ,3 ]
Wahl, C. [1 ,10 ]
McKinsey, D. N. [1 ,2 ,3 ]
机构：
[1] Yale Univ, Dept Phys, 217 Prospect St, New Haven, CT 06511 USA
[2] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[3] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[4] Univ Connecticut, Dept Phys, 2152 Hillside Rd, Storrs, CT 06269 USA
[5] Univ Connecticut, LNS Avery Point, 1084 Shennecossett Rd, Groton, CT 06340 USA
[6] IBM Res, STFC Daresbury Lab, Warrington WA4 4AD, Cheshire, England
[7] MITRE Corp, 202 Burlington Rd, Bedford, MA 01730 USA
[8] Sanford Underground Res Facil, 630 E Summit St, Lead, SD 57754 USA
[9] Univ Chicago, Kavli Inst Cosmol Phys, 5640 Ellis Ave, Chicago, IL 60637 USA
[10] H3D Inc, 3250 Plymouth Rd Suite 203, Ann Arbor, MI 48105 USA
来源：
JOURNAL OF INSTRUMENTATION | 2018年 / 13卷
关键词：
Charge transport; multiplication and electroluminescence in rare gases and liquids; Cryogenic detectors; Noble liquid detectors (scintillation; ionization; double-phase); Time projection chambers; DIELECTRIC-CONSTANTS; DETECTORS; EMISSION;
D O I：
10.1088/1748-0221/13/01/P01005
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present a measurement of the extraction efficiency of quasi-free electrons from the liquid into the gas phase in a two-phase xenon time-projection chamber. The measurements span a range of electric fields from 2.4 to 7.1 kV/cm in the liquid xenon, corresponding to 4.5 to 13.1 kV/cm in the gaseous xenon. Extraction efficiency continues to increase at the highest extraction fields, implying that additional charge signal may be attained in two-phase xenon detectors through careful high-voltage engineering of the gate-anode region.
引用
收藏
页数：12
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