Rad-Hard Electronics Development Program for SSC Liquid-Argon Calorimeters

  • A. Stevens
  • J. Dawson
  • H. Kraner
  • V. Radeka
  • S. Rescia

Abstract

The development program for radiation-hard low-noise low-power front-end electronics for SSC calorimetry is described. Radiation doses of up to 20 MRad and neutron fluences of 1014 neutrons/cm2 are expected over ten years of operation. These effects are simulated by exposing JFETs to neutrons and ionizing radiation and measuring the resulting bias, leakage current and noise variations. In the case of liquid-argon calorimeters, a large part of the front-end circuitry may be located directly within the low-temperature environment (90 K), placing additional constraints on the choice of components and on the design. This approach minimizes the noise and the response time. The radiation damage test facilities at Argonne will also be described. These include sources of neutrons, electrons, and gamma radiation.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • A. Stevens
    • 1
  • J. Dawson
    • 1
  • H. Kraner
    • 2
  • V. Radeka
    • 2
  • S. Rescia
    • 2
  1. 1.High Energy Physics DivisionArgonne National LaboratoryArgonneUSA
  2. 2.Instrumentation DivisionBrookhaven National LaboratoryUptonUSA

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