Pulsed Neutron Scattering |
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Page 25
... density . The wave- vector of the scattering corresponds to the inverse distance between the density fluctuations . with a special ' small - angle spectrometer ' . The name is borrowed from X - ray small - angle scattering . The ...
... density . The wave- vector of the scattering corresponds to the inverse distance between the density fluctuations . with a special ' small - angle spectrometer ' . The name is borrowed from X - ray small - angle scattering . The ...
Page 113
... density is very dilute . The occupation probability in each of the three spatial directions has an exponential form ... density of neutrons , th including all energies . We then have 24 E nMax ( 2 ) = 2n exp [ - ( 2/2 ) ] or " Max ( E ) ...
... density is very dilute . The occupation probability in each of the three spatial directions has an exponential form ... density of neutrons , th including all energies . We then have 24 E nMax ( 2 ) = 2n exp [ - ( 2/2 ) ] or " Max ( E ) ...
Page 116
... density is often used to classify possible materials . Most solid hydrocarbons have a comparable hydrogen density to polyethylene . Solid ammonia's is a little higher , and those of some metallic hydrides are appreciably higher . The ...
... density is often used to classify possible materials . Most solid hydrocarbons have a comparable hydrogen density to polyethylene . Solid ammonia's is a little higher , and those of some metallic hydrides are appreciably higher . The ...
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 |