Pulsed Neutron Scattering |
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Page 113
... distribution - the Maxwellian distribution . Classical Boltzmann statistics are appropriate , because the neutron density is very dilute . The occupation probability in each of the three spatial directions has an exponential form ...
... distribution - the Maxwellian distribution . Classical Boltzmann statistics are appropriate , because the neutron density is very dilute . The occupation probability in each of the three spatial directions has an exponential form ...
Page 115
... distribution can be smoothly joined on the Maxwellian distribution using the simple joining function of equation 3.19 . These results are for a polyethylene slab moderator at room temperature92 . distribution to the Maxwellian . The ...
... distribution can be smoothly joined on the Maxwellian distribution using the simple joining function of equation 3.19 . These results are for a polyethylene slab moderator at room temperature92 . distribution to the Maxwellian . The ...
Page 233
... Distribution ( i ) convoluted with ( ii ) gives the distribution ( iii ) . A cor- responding Gaussian with the same FWHH ( iv ) convoluted with a Gaussian of the same RMS width ( v ) gives a very similar convolution ( vi ) . results ...
... Distribution ( i ) convoluted with ( ii ) gives the distribution ( iii ) . A cor- responding Gaussian with the same FWHH ( iv ) convoluted with a Gaussian of the same RMS width ( v ) gives a very similar convolution ( vi ) . results ...
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 |