The physics of accelerator driven sub-critical reactors |
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Authors: | S B Degweker Biplab Ghosh Anil Bajpai S D Paranjape |
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Institution: | (1) Theoretical Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India |
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Abstract: | In recent years, there has been an increasing worldwide interest in accelerator driven systems (ADS) due to their perceived
superior safety characteristics and their potential for burning actinides and long-lived fission products. Indian interest
in ADS has an additional dimension, which is related to our planned large-scale thorium utilization for future nuclear energy
generation.
The physics of ADS is quite different from that of critical reactors. As such, physics studies on ADS reactors are necessary
for gaining an understanding of these systems. Development of theoretical tools and experimental facilities for studying the
physics of ADS reactors constitute important aspect of the ADS development program at BARC. This includes computer codes for
burnup studies based on transport theory and Monte Carlo methods, codes for studying the kinetics of ADS and sub-critical
facilities driven by 14 MeV neutron generators for ADS experiments and development of sub-criticality measurement methods.
The paper discusses the physics issues specific to ADS reactors and presents the status of the reactor physics program and
some of the ADS concepts under study.
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Keywords: | Accelerator driven systems nuclear waste transmutation computer codes reactor physics reactor noise kinetics burnup transport theory Monte Carlo thorium utilization neutron multiplication sub-criticality sub-critical facilities |
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