A multiplicity-vertex detector for the PHENIX experiment at RHIC

  • J. Kapustinsky
  • , J. Boissevain
  • , E. Bosze
  • , C. Britton
  • , J. Chang
  • , D. Clark
  • , M. Emery
  • , N. Ericson
  • , S. Y. Fung
  • , B. Jacak
  • , D. Jaffe
  • , L. Marek
  • , R. Seto
  • , J. Simon-Gillo
  • , M. Simpson
  • , R. Smith
  • , J. Sullivan
  • , Y. Takahashi
  • , H. Van Hecke
  • , J. Walker
  • N. Xu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A Multiplicity-Vertex Detector (MVD) has been designed, and is in construction for the PHENIX Experiment at the Relativistic Heavy Ion Collider (RHIC). The 35 000 channel silicon detector is a two-layer barrel comprised of 112 strip detectors, and two disk-shaped endcaps comprised of 24 wedge-shaped pad detectors. The support structure of the MVD is very low mass, only 0.4% of a radiation length in the central barrel. The detector front-end electronics are a custom CMOS chip set containing preamplifier, discriminator, analog memory unit, and analog-to-digital converter. The system has pipelined acquisition, performs in simultaneous read/write mode, and is clocked by the 10 MHz beam crossing rate at RHIC. These die, together with a pair of commercial FPGAs that are used for control logic, are packaged in a mutlichip-module (MCM). The MCM will be fabricated in the High-Density-Interconnect (HDI) process. The prototype MCM design layout is described.

Original languageEnglish
Pages (from-to)192-196
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume392
Issue number1-3
DOIs
StatePublished - Jun 21 1997

Funding

The MVD project is supported by the United States Department of Energy.

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