A threshold Cherenkov detector for K+/π+ separation using silica aerogel

被引：5

作者：

Siudak, R. ^{[1
,2
]}

Budzanowski, A. ^{[2
]}

Chatterjee, A. ^{[6
]}

Clement, H. ^{[10
]}

Dorochkevitsch, E. ^{[10
]}

Ernst, J. ^{[1
]}

Hawranek, P. ^{[4
]}

Hinterberger, F. ^{[1
]}

Jahn, R. ^{[1
]}

Jarczyk, L. ^{[4
]}

Joosten, R. ^{[1
]}

Kilian, K. ^{[3
]}

Kirillov, Di. ^{[5
]}

Kliczewski, S. ^{[2
]}

Kolev, D. ^{[9
]}

Kravcikova, M. ^{[7
]}

Machner, H. ^{[3
]}

Magiera, A. ^{[4
]}

Martinska, G.

Massmann, F. ^{[1
]}

Munkel, J. ^{[1
]}

Piskunov, N. ^{[5
]}

Protic, D. ^{[3
]}

Ritman, J. ^{[3
]}

von Rossen, P. ^{[3
]}

Roy, B. ^{[6
]}

Sitnik, I. ^{[5
]}

Slepnev, I. ^{[5
]}

Smyrski, J. ^{[4
]}

Tsenov, R. ^{[9
]}

Ulbrich, K. ^{[1
]}

Urban, J. ^{[8
]}

Vankova, G. ^{[9
]}

Wagnerj, G. J. ^{[10
]}

Ziegler, R. ^{[1
]}

机构：

[1] Univ Bonn, Helmholtz Inst Strahlen, D-5300 Bonn, Germany

[2] PAN, Inst Nucl Phys, Krakow, Poland

[3] Forschungszentrum Julich, Inst Kernphys, Julich, Germany

[4] Jagiellonian Univ, Inst Phys, Krakow, Poland

[5] Joint Inst Nucl Res, Lab High Energies, Dubna, Russia

[6] BARC, Div Nucl Phys, Bombay, Maharashtra, India

[7] Tech Univ Kosice, Kosice, Slovakia

[8] Univ Kosice, Kosice, Slovakia

[9] Univ Sofia, Fac Phys, BU-1126 Sofia, Bulgaria

[10] Univ Tubingen, Inst Phys, D-72074 Tubingen, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 596卷 / 03期

关键词：

Threshold Cherenkov detector; Silica aerogel; Reaction pp -> K+(Lambda p); K+/pi(+) separation;

D O I：

10.1016/j.nima.2008.08.129

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new threshold Cherenkov detector has been built for the detection of charged pions in the focal plane of a magnetic spectrograph. Silica aerogel with refractive index of n = 1.05 is applied as a radiator. The detector exhibits a very high detection efficiency for pions with momenta >= 900MeV/c. Using two Cherenkov detectors in series a very high pion suppression factor of 10(5) was achieved. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：311 / 316

页数：6

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