Advanced Neutron Sources 1988, Proceedings of the 10th Meeting of the INT Collaboration on Advanced Neutron Sources (ICANS X), Held at Los Alamos, October 1988Revolving around the interaction between spectrometer and target-station design and performance, this volume emphasises the need for feedback that must exist between scientific requirements and source design. It achieves a forum for the sharing of information on the development of spallation neutron sources. Of great value to researchers in condensed matter physics, instrumentation and data processing involved in neutron scattering at pulsed and steady sources. |
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Page 125
... shield surface , we define the shield to be thin . Two other components contributing to the neutron dose are : a ) high - energy neutrons , and b ) secondary low- energy ( evaporation ) neutrons produced by high - energy neutron ...
... shield surface , we define the shield to be thin . Two other components contributing to the neutron dose are : a ) high - energy neutrons , and b ) secondary low- energy ( evaporation ) neutrons produced by high - energy neutron ...
Page 129
... shield and at the shield surfaces in Figs . 6 and 7. Secondary low - energy neutron production is depicted in Fig . 6 . Dose ( Arbitrary Units ) 1E - 1 1E - 2 1E - 3 1E - 4 1E - 5 • Total ( Neutrons + Gommo Roys ) 1E - 6 Primary Lo - E ...
... shield and at the shield surfaces in Figs . 6 and 7. Secondary low - energy neutron production is depicted in Fig . 6 . Dose ( Arbitrary Units ) 1E - 1 1E - 2 1E - 3 1E - 4 1E - 5 • Total ( Neutrons + Gommo Roys ) 1E - 6 Primary Lo - E ...
Page 130
... Shield Thickness ( cm ) 90 100 110 120 Fig . 7. Relative gamma - ray and total dose through the iron / polyethylene shield for an incident spallation spectrum . Shielding calculations for spherical shields are underway . [ 6 ] One might ...
... Shield Thickness ( cm ) 90 100 110 120 Fig . 7. Relative gamma - ray and total dose through the iron / polyethylene shield for an incident spallation spectrum . Shielding calculations for spherical shields are underway . [ 6 ] One might ...
Contents
Monday October 3 1988 | 9 |
Tuesday October 4 1988 | 135 |
Wednesday October 5 1988 | 609 |
Copyright | |
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accelerator Advanced Neutron Sources analysis angular background beam line Brillouin scattering calculated chopper cold neutron cold source collimators count rate cross section crystal data acquisition deconvolution decoupled density detector deuterium diffraction diffractometer distribution dose effective energy transfer experimental experiments facility factor Figure fission flight path foil function gamma Gaussian geometry high-energy histogram improve increase inelastic injection instrument intensity IPNS irradiation ISIS LAMPF leakage liquid hydrogen Los Alamos magnetic material MaxEnt maximum measured methane module Monte Carlo neutron beam neutron flux neutron scattering Nucl Nuclear obtained operation optimization parameters peak performance Phys position present problems produced proton proton beam radiation radius range reactor reconstruction reflector resolution Rutherford Appleton Laboratory sample scattering angle shield shown in Fig shows solid methane spallation neutron source spallation source spectra spectrometer spectrum surface temperature thermal neutron thick time-of-flight tube wavelength width