Pulsed Neutron Scattering |
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Page 79
... ranges . These range from the fast neutron target cell , which uses electron pulses of a few nanoseconds duration to study neutron cross - sections in the 10 MeV range , to the condensed - matter cell , which uses 2 or 5 μs pulses . The ...
... ranges . These range from the fast neutron target cell , which uses electron pulses of a few nanoseconds duration to study neutron cross - sections in the 10 MeV range , to the condensed - matter cell , which uses 2 or 5 μs pulses . The ...
Page 80
... range curve is from an empirical equation given by Carpenter72 . The optimum accelerator The yield of fast neutrons from the proton spallation reaction increases rapidly over the energy range 200 to 600 MeV , and then becomes nearly ...
... range curve is from an empirical equation given by Carpenter72 . The optimum accelerator The yield of fast neutrons from the proton spallation reaction increases rapidly over the energy range 200 to 600 MeV , and then becomes nearly ...
Page 198
... range where it may be absorbed . In the energy range from 1 eV to 1 MeV , high hydrogen density is a requirement of good shielding for exactly the reasons which made it a good moderator . Its scattering cross - section is high and its ...
... range where it may be absorbed . In the energy range from 1 eV to 1 MeV , high hydrogen density is a requirement of good shielding for exactly the reasons which made it a good moderator . Its scattering cross - section is high and its ...
Common terms and phrases
absorption accelerator atoms background beam tube beryllium Bragg reflection calculated cell collimation count-rate counter bank cross-section crystal monochromator curve defined density depends detector diffraction diffractometer direct geometry distribution dose E₁ effective efficiency elastic electron linac energy transfer epithermal equation fast neutrons figure of merit fission function given gives Harwell hydrogen incident beam incident energy incident flight path incident neutron intensity k₁ L₁ linac magnetic Maxwellian measured neutron beam neutron scattering neutron source nuclear nuclei phonon polarization proton pulse width pulsed neutron pulsed reactor pulsed source Q values Qmax radiation range ratio reciprocal lattice reciprocal space reflector resolution element resonance rotor sample scattered flight path scattering angle scattering length scattering vector Section shielding shown in figure shows single crystal slit solid angle spallation spectrometer spectrum spin target thermal thickness time-of-flight transmission typical vanadium velocity vibrational wave-vector wavelength y-rays Δι ΦΩ
References to this book
Polymers and Neutron Scattering Julia S. Higgins,Henri C. Benoît,Henri Benoît No preview available - 1996 |