The PHENIX Forward Silicon Vertex Detector

被引：37

作者：

Aidala, C. ^{[10
]}

Anaya, L. ^{[11
]}

Anderssen, E. ^{[9
]}

Bambaugh, A. ^{[6
]}

Barron, A. ^{[11
]}

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

Bok, J. ^{[11
,12
]}

Boose, S. ^{[1
]}

Brooks, M. L.

Butsyk, S. ^{[11
]}

Cepeda, M. ^{[9
]}

Chacon, P. ^{[10
]}

Chacon, S. ^{[10
]}

Chavez, L. ^{[10
]}

Cote, T. ^{[10
]}

D'Agostino, C. ^{[1
]}

Datta, A. ^{[11
]}

DeBlasio, K.

DelMonte, L. ^{[6
]}

Desmond, J. ^{[1
]}

Durham, J. M. ^{[10
]}

Fields, D. ^{[11
]}

Finger, M. ^{[2
]}

Gingu, C. ^{[6
]}

Gonzales, B. ^{[6
]}

Haggerty, J. S. ^{[1
]}

Hawke, T. ^{[6
]}

Vanhecke, H. W. ^{[10
]}

Herron, M. ^{[6
]}

Hoff, J. ^{[6
]}

Huang, J. ^{[10
]}

Jiang, X. ^{[10
]}

Johnson, T. ^{[9
]}

Jonas, M.

Kapustinsky, J. S. ^{[10
]}

Key, A. ^{[11
]}

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

Kurtz, J. ^{[11
]}

LaBounty, J. ^{[1
]}

Lee, D. M. ^{[10
]}

Lee, K. B. ^{[10
]}

Leitch, M. J. ^{[10
]}

Lenz, M. ^{[1
]}

Lenz, W. ^{[1
]}

Liu, M. X. ^{[10
]}

Lynch, D. ^{[1
]}

Mannel, E. ^{[1
]}

McGaughey, P. L. ^{[10
]}

Meles, A. ^{[12
]}

Meredith, B. ^{[3
]}

机构：

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

[2] Charles Univ Prague, Prague 11636, Czech Republic

[3] Columbia Univ, New York, NY 10027 USA

[4] Nevis Labs, Irvington, NY 10533 USA

[5] CEA Saclay, F-91191 Gif Sur Yvette, France

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

[7] Hytec Inc, Los Alamos, NM 87545 USA

[8] Acad Sci Czech Republic, Inst Phys, Prague 18221 8, Czech Republic

[9] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[10] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[11] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA

[12] New Mexico State Univ, Las Cruces, NM 88003 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2014年 / 755卷

关键词：

RHIC; PHENIX; FVTX; Silicon detector; QUARK-GLUON PLASMA; TRACKING DETECTORS; COLLABORATION; PERSPECTIVE; COLLISIONS;

D O I：

10.1016/j.nima.2014.04.017

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new silicon detector has been developed to provide the PHENIX experiment with precise charged particle tracking at forward and backward rapidity. The Forward Silicon Vertex Tracker (FVTX) was installed in PHENIX prior to the 2012 run period of the Relativistic Heavy Ion Collider (RHIC). The FVTX is composed of two annular endcaps, each with four stations of silicon mini-strip sensors, covering a rapidity range of 1.2 < vertical bar eta vertical bar < 2.2 that closely matches the two existing PHENIX muon arms. Each station consists of 48 individual silicon sensors, each of which contains two columns of mini-strips with 75 mu m pitch in the radial direction and lengths in the phi direction varying from 3.4 mm at the inner radius to 11.5 mm at the outer radius. The FVTX has approximately 0.54 million strips in each endcap. These are read out with FPFIX chips, developed in collaboration with Fermilab, which are wire bonded directly to the mini-strips. The maximum strip occupancy reached in central Au-Au collisions is approximately 2.8%. The precision tracking provided by this device makes the identification of muons from secondary vertices away from the primary event vertex possible. The expected distance of closest approach (DCA) resolution of 200 mu m or better for particles with a transverse momentum of 5 GeV/c will allow identification of muons from relatively long-lived particles, such as D and B mesons, through their broader DCA distributions. Published by Elsevier B.V.

引用

页码：44 / 61

页数：18

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