Silicon-tungsten calorimeter for the forward direction in the PHENIX experiment at RHIC

V. Bonvicini; V. Dzhordzhadze; E. Kistenev; J. Lajoie; M. Merkine; R. Seto; A. Vacchi

doi:10.1109/TNS.2005.852724

Silicon-tungsten calorimeter for the forward direction in the PHENIX experiment at RHIC

V. Bonvicini, V. Dzhordzhadze, E. Kistenev, J. Lajoie, M. Merkine, R. Seto, A. Vacchi

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The PHENIX detector at RHIC has been designed to study hadronic and leptonic signatures of the Quark Gluon Plasma in heavy ion collisions and spin dependent structure functions in polarized proton collisions. The baseline detector measures muons in two muon spectrometers located forward and backward of mid-rapidity, and measures hadrons, electrons, and photons in two central spectrometer arms, each of which covers 90° in azimuth and 0.35 units of rapidity. Further progress requires extending rapidity coverage for hadronic and electromagnetic signatures by upgrading the functionality of the PHENIX muon spectrometers to include photon and jet measurement capabilities. Tungsten calorimeters with silicon pixel readout and fine transverse and longitudinal segmentation are proposed to attain this goal. The use of such a design provides the highest density and finest granularity possible in a calorimeter.

Original language	English
Pages (from-to)	874-878
Number of pages	5
Journal	IEEE Transactions on Nuclear Science
Volume	52
Issue number	4
DOIs	https://doi.org/10.1109/TNS.2005.852724
State	Published - Aug 2005
Externally published	Yes

Funding

Manuscript received November 3, 2004; revised March 16, 2005. This work was sponsored by the U.S. Department of Energy under Contract no. DE-AC02-98CH1-886. V. Bonvicini and A. Vacchi are with INFN, Sezione di Trieste, I-34127 Tri-este, Italy (e-mail: [email protected]; [email protected]). V. Dzhordzhadze and R. Seto are with the University of California at Riverside, Riverside, CA 92521 USA (e-mail: [email protected]; [email protected]). E. Kistenev is with the Brookhaven National Laboratory, Upton, NY 11973 USA (e-mail: [email protected]). J. Lajoie is with Iowa State University and Ames Laboratory, Ames, IA 50011 USA (e-mail: [email protected]). M. Merkine is with the Moscow State University, Moscow, Russia (e-mail: [email protected]). Digital Object Identifier 10.1109/TNS.2005.852724 Fig. 1. A beam view (top) and side view (bottom) of the PHENIX detector in its most recent configuration. MVD—Multiplicity Vertex Detector; BB—Beam-Beam trigger counters; DC—Drift Chambers; RICH—ring imaging Cherenkov counters; PC—Pad Chambers; TEC—Time Expansion Chambers; PbSc/PbGl—Electromagnetic Calorimeters; MuTr/MuId—Muon Tracking and Muon Identification; ZDC—Zero Degree Calorimeters. There is an axial magnetic field in the central regions; the muon magnets produce a radial magnetic field.

Funders	Funder number
U.S. Department of Energy	DE-AC02-98CH1-886

Keywords

Analog and digital readout electronics
Calorimeter
Forward spectrometer
Mechanical design
Triggering

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10.1109/TNS.2005.852724

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abstract = "The PHENIX detector at RHIC has been designed to study hadronic and leptonic signatures of the Quark Gluon Plasma in heavy ion collisions and spin dependent structure functions in polarized proton collisions. The baseline detector measures muons in two muon spectrometers located forward and backward of mid-rapidity, and measures hadrons, electrons, and photons in two central spectrometer arms, each of which covers 90° in azimuth and 0.35 units of rapidity. Further progress requires extending rapidity coverage for hadronic and electromagnetic signatures by upgrading the functionality of the PHENIX muon spectrometers to include photon and jet measurement capabilities. Tungsten calorimeters with silicon pixel readout and fine transverse and longitudinal segmentation are proposed to attain this goal. The use of such a design provides the highest density and finest granularity possible in a calorimeter.",

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AU - Bonvicini, V.

AU - Dzhordzhadze, V.

AU - Kistenev, E.

AU - Lajoie, J.

AU - Merkine, M.

AU - Seto, R.

AU - Vacchi, A.

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AB - The PHENIX detector at RHIC has been designed to study hadronic and leptonic signatures of the Quark Gluon Plasma in heavy ion collisions and spin dependent structure functions in polarized proton collisions. The baseline detector measures muons in two muon spectrometers located forward and backward of mid-rapidity, and measures hadrons, electrons, and photons in two central spectrometer arms, each of which covers 90° in azimuth and 0.35 units of rapidity. Further progress requires extending rapidity coverage for hadronic and electromagnetic signatures by upgrading the functionality of the PHENIX muon spectrometers to include photon and jet measurement capabilities. Tungsten calorimeters with silicon pixel readout and fine transverse and longitudinal segmentation are proposed to attain this goal. The use of such a design provides the highest density and finest granularity possible in a calorimeter.

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Silicon-tungsten calorimeter for the forward direction in the PHENIX experiment at RHIC

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