Pulsed Neutron Scattering |
From inside the book
Results 1-3 of 25
Page 113
... Maxwellian distribution Our approach to neutron slowing - down breaks down as soon as the neutron energy becomes within a few times kT . T is the effective temperature of the moderator . The neutron velocity becomes comparable with that ...
... Maxwellian distribution Our approach to neutron slowing - down breaks down as soon as the neutron energy becomes within a few times kT . T is the effective temperature of the moderator . The neutron velocity becomes comparable with that ...
Page 114
... Maxwellian distributions as a function of neutron wavelength . The flux is presented per unit wavelength ( nm ) for a unit integrated flux n1h . The moderator temperatures are in " K. " Nth A 64cat O abs This is as high as 70 for light ...
... Maxwellian distributions as a function of neutron wavelength . The flux is presented per unit wavelength ( nm ) for a unit integrated flux n1h . The moderator temperatures are in " K. " Nth A 64cat O abs This is as high as 70 for light ...
Page 127
... Maxwellian peak . Only in the tail of the cold Maxwellian do pulse widths begin to exceed those of an ambient moderator . If one needs cold neutrons , a cold moderator gives an obvious and clearcut gain irrespective of the figure of ...
... Maxwellian peak . Only in the tail of the cold Maxwellian do pulse widths begin to exceed those of an ambient moderator . If one needs cold neutrons , a cold moderator gives an obvious and clearcut gain irrespective of the figure of ...
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 |