Pulsed Neutron Scattering |
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Page 40
... defines the probability that a given atom moves from R ( 0 ) to R ( t ) . This is measured by the incoherent cross ... defined , and the time - of - flight t , over the scattered flight path is therefore known . We can calculate k ...
... defines the probability that a given atom moves from R ( 0 ) to R ( t ) . This is measured by the incoherent cross ... defined , and the time - of - flight t , over the scattered flight path is therefore known . We can calculate k ...
Page 157
... defined by the collimations before and after the monochromator in the scattering plane x , and 2. Alternatively , it can be defined by one of these and the direction of the Bragg planes as defined by the crystal mosaic M. In general ...
... defined by the collimations before and after the monochromator in the scattering plane x , and 2. Alternatively , it can be defined by one of these and the direction of the Bragg planes as defined by the crystal mosaic M. In general ...
Page 185
... defined as a figure of merit for a rotor , just as those on the left were used to define one for a pulsed source . Their underlying similarity becomes apparent if we replace n 。( ^ ) by the peak flux npeak ( 2 ) as defined in equation ...
... defined as a figure of merit for a rotor , just as those on the left were used to define one for a pulsed source . Their underlying similarity becomes apparent if we replace n 。( ^ ) by the peak flux npeak ( 2 ) as defined in equation ...
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 |