Test of a small prototype of the KLOE drift chamber in magnetic field

被引:6
作者
Avanzini, C
Ciapetti, G
De Lucia, E
Lacava, F [1 ]
Luisi, C
Margutti, G
Nisati, A
Passaseo, M
Pontecorvo, L
Rosati, S
Veneziano, S
Verzocchi, M
Valente, P
Bacci, C
Ceradini, F
Bencivenni, G
Calcaterra, A
de Sangro, R
De Simone, P
Felici, G
Finocchiaro, G
Piccolo, M
机构
[1] Univ La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[2] Sezione INFN, I-00185 Rome, Italy
[3] Univ Roma Tor Vergata 2, Dipartimento Fis, I-00173 Rome, Italy
[4] Sezione INFN, I-00173 Rome, Italy
[5] Univ RomaTre, Dipartimento Fis, Rome, Italy
[6] Sezione INFN, Rome, Italy
[7] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
关键词
drift chamber; helium-based mixture; test in magnetic field;
D O I
10.1016/S0168-9002(99)01372-8
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We report on a beam test of a small prototype of the KLOE drift chamber in magnetic field. The chamber was operated with a 90% He-10% iC4H10 gas mixture. Drift space-time relations were studied. The average spatial resolution is about 110 μm in the absence of magnetic field and 120 μm in a 0.6 T magnetic field. Measurements of the primary ionization and drift velocity are reported. The measurement of dE/dx in a He-based gas mixture is also discussed.
引用
收藏
页码:237 / 247
页数:11
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