Trigger circuits for the PHENIX electromagnetic calorimeter

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Monolithic and discrete circuits have been developed to provide trigger signals for the PHENIX electromagnetic calorimeter detector. These trigger circuits are deadtimeless and create overlapping 4 by 4 energy sums, a cosmic muon trigger, and a 144 channel energy sum. The front end electronics of the PHENIX system sample the energy and timing channels at each bunch crossing (BC) but it is not known immediately if this data is of interest. The information from the trigger circuits is used to determine if the data collected is of interest and should be digitized and stored or discarded. This paper presents details ... continued below

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8 p.

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Frank, S.S.; Britton, C.L. Jr.; Winterberg, A.L. & Young, G.R. November 1, 1997.

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Description

Monolithic and discrete circuits have been developed to provide trigger signals for the PHENIX electromagnetic calorimeter detector. These trigger circuits are deadtimeless and create overlapping 4 by 4 energy sums, a cosmic muon trigger, and a 144 channel energy sum. The front end electronics of the PHENIX system sample the energy and timing channels at each bunch crossing (BC) but it is not known immediately if this data is of interest. The information from the trigger circuits is used to determine if the data collected is of interest and should be digitized and stored or discarded. This paper presents details of the design, issues affecting circuit performance, characterization of prototypes fabricated in 1.2 {micro}m Orbit CMOS, and integration of the circuits into the EMCal electronics system.

Physical Description

8 p.

Notes

INIS; OSTI as DE98001896

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  • Other Information: PBD: Nov 1997

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  • Other: DE98001896
  • Report No.: ORNL/CP--95618
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/672029 | External Link
  • Office of Scientific & Technical Information Report Number: 672029
  • Archival Resource Key: ark:/67531/metadc707598

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  • November 1, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 21, 2016, 1:24 p.m.

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Frank, S.S.; Britton, C.L. Jr.; Winterberg, A.L. & Young, G.R. Trigger circuits for the PHENIX electromagnetic calorimeter, report, November 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc707598/: accessed May 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.