Pulsed Neutron Scattering |
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Page 357
... beryllium filters . These results are computed by Webb by Monte Carlo methods . ( From Webb197 . ) together to give an appropriate transmission below the cut - off . Figure 9.28 shows the computed transmission for cylindrical beryllium ...
... beryllium filters . These results are computed by Webb by Monte Carlo methods . ( From Webb197 . ) together to give an appropriate transmission below the cut - off . Figure 9.28 shows the computed transmission for cylindrical beryllium ...
Page 361
... beryllium filter spectrometers . ( i ) Fast neutron background from thermalization in the beryllium is avoided . ( ii ) The incident wavelength spectrum is not contaminated with thermal neutrons . ( iii ) There are no problems of order ...
... beryllium filter spectrometers . ( i ) Fast neutron background from thermalization in the beryllium is avoided . ( ii ) The incident wavelength spectrum is not contaminated with thermal neutrons . ( iii ) There are no problems of order ...
Page 363
... beryllium edge method . The sharpness of the edge means that if other sources of broadening are small , the sharpness of the edge remains . This is most clearly seen by the differential of the time - of - flight spectrum . The solid and ...
... beryllium edge method . The sharpness of the edge means that if other sources of broadening are small , the sharpness of the edge remains . This is most clearly seen by the differential of the time - of - flight spectrum . The solid and ...
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 |