Construction and expected performance of the hadron blind detector for the PHENIX experiment at RHIC

被引：14

作者：

Milov, A. ^{[1
]}

Anderson, W.

Azmoun, B.

Chi, C-Y

Drees, A.

Dubey, A.

Durham, M.

Fraenkel, Z.

Harder, J.

Hemmick, T.

Hutter, R.

Jacak, B.

Kamin, J.

Kozlov, A.

Naglis, M.

O'Connor, P.

Pisani, R.

Radeka, V.

Ravinovich, I.

Sakaguchi, T.

Sharma, D.

Sickles, A.

Stoll, S.

Tserruya, I.

Yu, B.

Woody, C.

机构：

[1] Brookhaven Natl Lab, Upton, NY 11973 USA

[2] Weizmann Inst Sci, IL-76100 Rehovot, Israel

[3] Nevis Columbia Labs, Irvington, NY 10533 USA

[4] SUNY Stony Brook, Stony Brook, NY 11794 USA

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2007年 / 34卷 / 08期

关键词：

D O I：

10.1088/0954-3899/34/8/S77

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A new hadron blind detector (HBD) for electron identification in high density hadron environment has been installed in the PHENIX experiment at RHIC in the fall of 2006. The HBD will identify low momentum electron-positron pairs to reduce the combinatorial background in the e(+) e(-) mass spectrum, mainly in the region below 1 GeV/c(2). The HBD is a windowless proximity-focusing Cherenkov detector with a radiator length of 50 cm, a CsI photocathode and three layers of gas electron multipliers (GEM). Pure CF4 is used as a radiator and a detector gas. This proceeding describes the construction details and the expected performance of the HBD.

引用

页码：S701 / S704

页数：4

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