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

Abstract

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.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Stanford Linear Accelerator Center (SLAC)
Sponsoring Org.:
USDOE
OSTI Identifier:
877999
Report Number(s):
SLAC-PUB-11088
TRN: US0601783
DOE Contract Number:
AC02-76SF00515
Resource Type:
Conference
Resource Relation:
Conference: Presented at ICRS 10 / RPS 2004: 21st Century Challenges in Radiation Protection and Shielding, Madeira, Portugal, 9-14 May 2004
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ATTENUATION; CONCRETES; COPPER; DOSE EQUIVALENTS; ELECTRON BEAMS; IRON; NEUTRONS; PHOTONS; RADIATION PROTECTION; SHIELDING; SHIELDS; SOURCE TERMS; STORAGE RINGS; SYNCHROTRON RADIATION; TARGETS; Accelerators, Other,SAFETY

Citation Formats

Rokni, S.H., Khater, H., Liu, J.C., Mao, S., Vincke, H., and /SLAC. Calculations and Neutron and Photon Source Terms andAttenuation Profiles for the Generic Design of SPEAR3 Storage Ring Shield. United States: N. p., 2006. Web.
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. United States.
Rokni, S.H., Khater, H., Liu, J.C., Mao, S., Vincke, H., and /SLAC. Tue . "Calculations and Neutron and Photon Source Terms andAttenuation Profiles for the Generic Design of SPEAR3 Storage Ring Shield". United States. doi:. https://www.osti.gov/servlets/purl/877999.
@article{osti_877999,
title = {Calculations and Neutron and Photon Source Terms andAttenuation Profiles for the Generic Design of SPEAR3 Storage Ring Shield},
author = {Rokni, S.H. and Khater, H. and Liu, J.C. and Mao, S. and Vincke, H. and /SLAC},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 03 00:00:00 EST 2006},
month = {Tue Jan 03 00:00:00 EST 2006}
}

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