Pulsed Neutron Scattering |
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Page 237
... Counter - bank focusing 143,144 We first consider the simplest case . Suppose , as in figure 6.8 , that we have a point moderator and sample , but an extended counter bank , and that the Moderator Lo L1 ( 20 ) 20 Sample Extended Counter ...
... Counter - bank focusing 143,144 We first consider the simplest case . Suppose , as in figure 6.8 , that we have a point moderator and sample , but an extended counter bank , and that the Moderator Lo L1 ( 20 ) 20 Sample Extended Counter ...
Page 239
... counter arrays for different ratios of the back - scattered flight path L ( π ) to the incident flight path L 。. This equation brings out ... counter Moderator 110 Lo Counter Bank Sample Figure 6.10 . A Total scattering instrumentation 239.
... counter arrays for different ratios of the back - scattered flight path L ( π ) to the incident flight path L 。. This equation brings out ... counter Moderator 110 Lo Counter Bank Sample Figure 6.10 . A Total scattering instrumentation 239.
Page 350
... bank parallel to k , give a scattered flight time independent of angle . ( ii ) The counter bank at a radius about the sample image I gives a scattered flight path independent of angle . ( iii ) Using an analyser in transmission ...
... bank parallel to k , give a scattered flight time independent of angle . ( ii ) The counter bank at a radius about the sample image I gives a scattered flight path independent of angle . ( iii ) Using an analyser in transmission ...
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 |