The CDF time of flight detector

被引：0

作者：

Cabrera, S ^{[1
]}

Fernández, J ^{[1
]}

Gómez, G ^{[1
]}

Piedra, J ^{[1
]}

Rodrigo, T ^{[1
]}

Ruiz, A ^{[1
]}

Vila, I ^{[1
]}

Vilar, R ^{[1
]}

Grozis, C ^{[1
]}

Kephart, R ^{[1
]}

Stanek, R ^{[1
]}

Kim, DH ^{[1
]}

Kim, MS ^{[1
]}

Oh, Y ^{[1
]}

Kim, YK ^{[1
]}

Veramendi, G ^{[1
]}

Anikeev, K ^{[1
]}

Bauer, G ^{[1
]}

Furic, IK ^{[1
]}

Korn, A ^{[1
]}

Kravchenko, I ^{[1
]}

Mulhearn, M ^{[1
]}

Pause, C ^{[1
]}

Pavlon, S ^{[1
]}

Sumorok, K ^{[1
]}

Chen, C ^{[1
]}

Jones, M ^{[1
]}

Kononenko, W ^{[1
]}

Kroll, J ^{[1
]}

Mayers, GM ^{[1
]}

Newcomer, FM ^{[1
]}

Oldeman, RGC ^{[1
]}

Usynin, D ^{[1
]}

Van Berg, R ^{[1
]}

Bellettini, G ^{[1
]}

Cerri, C ^{[1
]}

Menzione, A ^{[1
]}

Spinella, F ^{[1
]}

Vataga, E ^{[1
]}

De Cecco, S ^{[1
]}

De Pedis, D ^{[1
]}

Dionisi, C ^{[1
]}

Giagu, S ^{[1
]}

De Girolamo, A ^{[1
]}

Rescigno, M ^{[1
]}

Zanello, L ^{[1
]}

Ahn, M ^{[1
]}

Kim, BJ ^{[1
]}

Kim, SB ^{[1
]}

Cho, I ^{[1
]}

机构：

[1] Univ Cantabria, CSIC, Inst Fis Cantabria, Santander, Spain

来源：

2003 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-5 | 2004年

关键词：

Time of Flight; CDF; fine-mesh photomultipliers; particle identification;

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

A new Time of Flight (TOF) detector based on scintillator bars with fine-mesh photomultipliers at both ends has been in operation since 2001 in the CDF experiment. With a design resolution of 100 ps, the TOF can provide separation between K+/- and pi(+/-) in p (p) over bar collisions at the 2sigma level for low momentum, which enhances b flavor tagging capabilities. Because of its very fast response, the TOF is an excellent triggering device, and it is used to trigger on highly ionizing particles, multiple minimum ionizing particles and cosmic rays. Particle identification is achieved by comparing the time-of-flight of the particle measured by the TOF to the time expected for a given mass hypothesis. In order to obtain the resolution necessary for particle ID, optimal calibrations are critical. This paper describes the TOF detector, its calibration procedure, the achieved resolution, the long term operation performances and some of the first results from data analysis using this detector.

引用

页码：223 / 227

页数：5

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