A preshower detector for the CDF Plug Upgrade:: test beam results

被引：7

作者：

Albrow, M

Aota, S

Apollinari, G

Asakawa, T

Bailey, M

de Barbaro, P

Barnes, V

Benjamin, D

Biery, K

Blusk, S

Bodek, A

Bolla, G

Breccia, L

Brunetti, R

Budd, H

Cauz, D

Demortier, L

Fiori, I

Frautschi, M

Fukui, Y

Ganel, O

Gotra, Y

Hahn, S

Handa, T

Hatakeyama, K

Ikeda, H

Introzzi, G

Iwai, J

Kikuchi, T

Kim, SH

Köngeter, A

Kowald, W

Laasanen, A

Lamoureux, J

Lindgren, M

Liu, J

Melese, P

Minato, H

Murgia, S

Nakada, H

Patrick, J

Pauletta, G

Sakumoto, W

Santi, L

Seiya, Y

Solodsky, A

Spiegel, L

Thomas, T

Vilar, R

Walsh, AM

机构：

[1] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[2] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[3] Rockefeller Univ, New York, NY 10021 USA

[4] Univ New Mexico, Albuquerque, NM 87131 USA

[5] Univ Rochester, Rochester, NY 14627 USA

[6] Purdue Univ, W Lafayette, IN 47907 USA

[7] Texas Tech Univ, Lubbock, TX 79409 USA

[8] Univ Bologna, Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[9] Univ Udine, I-33100 Udine, Italy

[10] Ist Nazl Fis Nucl, Sez Trieste, I-33100 Udine, Italy

[11] Natl Lab High Energy Phys, KEK, Tsukuba, Ibaraki 305, Japan

[12] Univ Padua, Ist Nazl Fis Nucl, I-35131 Padua, Italy

[13] Hiroshima Univ, Higashihiroshima, Hiroshima 739, Japan

[14] Waseda Univ, Shinjuku Ku, Tokyo 169, Japan

[15] Univ Pavia, I-27100 Pavia, Italy

[16] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy

[17] Univ Karlsruhe, D-76128 Karlsruhe, Germany

[18] Duke Univ, Durham, NC 27708 USA

[19] Brandeis Univ, Waltham, MA 02254 USA

[20] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[21] Michigan State Univ, E Lansing, MI 48824 USA

[22] Univ Cantabria, Santander 39009, Spain

[23] Rutgers State Univ, Piscataway, NJ 08854 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1999年 / 431卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0168-9002(99)00250-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A preshower detector consisting of plastic scintillating plates with optical-fiber readout was tested at the Fermilab meson beamline. The detector was placed at a depth of about 1.5X(0), followed by an electromagnetic and hadronic calorimeter, and exposed to positron, positively charged pion and positive muon beams with energies in the range of 5-227 GeV. Multianode phototubes, HAMAMATSU R5900-M16, were used for the photon readout. The efficiency for detecting two minimum ionizing particles with noise occupancy of < 1% was 90-100% for gains of (1-4)x 10(5). It was also found that by requiring an appropriately large signal in the preshower detector, the rate of charged pions depositing a large fraction of energy in the electromagnetic calorimeter could be reduced by a factor of 1.4-2.0 (1.4-2.8) while keeping 95% (90%) efficiency for positrons. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：104 / 111

页数：8

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