Integrated readout electronics for the PbWO{sub 4} photon spectrometer

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Description

The PbWO{sub 4} calorimeter of the ALICE detector is designed to detect the prompt photons to provide direct information on the partonic, early phases of the heavy-ion interaction. The goal is to measure all the photons over a large enough solid angle to reconstruct both {pi}{sup 0}`s and {eta}`s. A proposed readout system for the ALICE PbWO{sub 4} photon spectrometer is presented. In one proposed implementation, light will be detected from each end of the crystals by PIN photodiodes and this signal will be amplified by charge-sensitive amplifiers. The 73,728 channel readout system will accept the preamplifier signals and deliver ... continued below

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5 p.

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Simpson, M.L.; Alley, G.T. & Awes, T. December 31, 1995.

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Description

The PbWO{sub 4} calorimeter of the ALICE detector is designed to detect the prompt photons to provide direct information on the partonic, early phases of the heavy-ion interaction. The goal is to measure all the photons over a large enough solid angle to reconstruct both {pi}{sup 0}`s and {eta}`s. A proposed readout system for the ALICE PbWO{sub 4} photon spectrometer is presented. In one proposed implementation, light will be detected from each end of the crystals by PIN photodiodes and this signal will be amplified by charge-sensitive amplifiers. The 73,728 channel readout system will accept the preamplifier signals and deliver digitized data to the data collection modules. A readout board will consist of 8-channel, custom front-end chips which form energy and timing signals, and board-level control and communication circuits. Many of the subcircuits proposed for this spectrometer have been developed for use in other applications. The performance of these circuits is shown.

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5 p.

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INIS; OSTI as DE96005424

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  • 1. workshop on electronics for large Hadron collider experiments, Lisbon (Portugal), 10-15 Sep 1995

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  • Other: DE96005424
  • Report No.: CONF-9509265--2
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 195729
  • Archival Resource Key: ark:/67531/metadc664832

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 19, 2016, 6:50 p.m.

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Simpson, M.L.; Alley, G.T. & Awes, T. Integrated readout electronics for the PbWO{sub 4} photon spectrometer, article, December 31, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc664832/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.