Design and performance of beam test electronics for the PHENIX Multiplicity Vertex Detector

C. L. Britton, W. L. Bryan, M. S. Emery, M. N. Ericson, M. S. Musrock, M. L. Simpson, M. C. Smith, J. W. Walker, A. L. Wintenberg, G. R. Young, M. D. Allen, L. G. Clonts, R. L. Jones, E. J. Kennedy, R. S. Smith, J. Boissevain, B. V. Jacak, D. Jaffe, J. S. Kapustinsky, J. Simon-GilloJ. P. Sullivan, H. Van Hecke, N. Xu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The system architecture and test results of the custom circuits and beam test system for the Multiplicity-Vertex Detector (MVD) for the PHENIX detector collaboration at the Relativistic Heavy Ion Collider (RHIC) are presented in this paper. The final detector per-channel signal processing chain will consist of a preamplifier-gain stage, a current-mode summed multiplicity discriminator, a 64-deep analog memory (simultaneous read-write), a post-memory analog correlator, and a 10-bit 5 μs ADC. The Heap Manager provides all timing control, data buffering, and data formatting for a single 256-channel multi-chip module (MCM). Each chip set is partitioned into 32-channel sets. Beam test (16-cell deep memory) performance for the various blocks will be presented as well as the ionizing radiation damage performance of the 1.2 μm n-well CMOS process used for preamplifier fabrication.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalIEEE Transactions on Nuclear Science
Volume44
Issue number3 PART 1
DOIs
StatePublished - 1997

Funding

The MVD is a 2-layer barrel detector comprised of 112 strip detectors and 2 disk-shaped end caps comprised of 24 wedge-shaped pad detectors. It is a clam-shell design, constructed in two halves to close about the beam pipe. The main physics goals of the detector are to provide a multiplicity 'Research sponsored by the U.S. Department of Energy and performed at Oak Ridge National Laboratory, managed by Lockheed Martin Energy Research Corporation for the U.S. Department of Energy under Contract No. DE-AC05-960R22464.

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