Calculations and Neutron and Photon Source Terms andAttenuation Profiles for the Generic Design of SPEAR3 Storage Ring Shield

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The FLUKA Monte Carlo particle generation and transport code was used to calculate shielding requirements for the 3 GeV, 500 mA SPEAR3 storage ring at the Stanford Synchrotron Radiation Laboratory. The photon and neutron dose equivalent source term data were simulated for a 3 GeV electron beam interacting with two typical target/shielding geometries in the ring. The targets simulated are a rectangular block of 0.7 cm thick copper and a 5 cm thick iron block, both tilted at 1{sup o} relative to the beam direction. Attenuation profiles for neutrons and photons in concrete and lead as a function of angle ... continued below

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7 pages

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Rokni, S.H.; Khater, H.; Liu, J.C.; Mao, S.; Vincke, H. & /SLAC January 3, 2006.

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The FLUKA Monte Carlo particle generation and transport code was used to calculate shielding requirements for the 3 GeV, 500 mA SPEAR3 storage ring at the Stanford Synchrotron Radiation Laboratory. The photon and neutron dose equivalent source term data were simulated for a 3 GeV electron beam interacting with two typical target/shielding geometries in the ring. The targets simulated are a rectangular block of 0.7 cm thick copper and a 5 cm thick iron block, both tilted at 1{sup o} relative to the beam direction. Attenuation profiles for neutrons and photons in concrete and lead as a function of angle at different shield thicknesses were calculated. The first, second and equilibrium attenuation lengths of photons and neutrons in the shield materials are derived from the attenuation profiles. The source term data and the attenuation lengths were then used to evaluate the shielding requirements for the ratchet walls of all front-ends of the SPEAR3 storage ring.

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7 pages

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  • Presented at ICRS 10 / RPS 2004: 21st Century Challenges in Radiation Protection and Shielding, Madeira, Portugal, 9-14 May 2004

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  • Report No.: SLAC-PUB-11088
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 877999
  • Archival Resource Key: ark:/67531/metadc880179

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  • January 3, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 22, 2016, 9:51 p.m.

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Rokni, S.H.; Khater, H.; Liu, J.C.; Mao, S.; Vincke, H. & /SLAC. Calculations and Neutron and Photon Source Terms andAttenuation Profiles for the Generic Design of SPEAR3 Storage Ring Shield, article, January 3, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc880179/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.