Pulsed Neutron Scattering |
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Page 41
... direct geometry when the incident wave- vector ko is fixed and ki scanned by timing : ( ii ) or in inverted geometry when k , is fixed and ko scanned by timing . Rotor Lo Crystal Filter Direct R L1 5 Inverted L Lo Lo Figure 1.35 ...
... direct geometry when the incident wave- vector ko is fixed and ki scanned by timing : ( ii ) or in inverted geometry when k , is fixed and ko scanned by timing . Rotor Lo Crystal Filter Direct R L1 5 Inverted L Lo Lo Figure 1.35 ...
Page 369
... geometry inelastic results The analysis of absolute inelastic cross - sections results is a little more difficult than that of direct geometry results . The incident flux varies with incident energy and must be known . This is analogous ...
... geometry inelastic results The analysis of absolute inelastic cross - sections results is a little more difficult than that of direct geometry results . The incident flux varies with incident energy and must be known . This is analogous ...
Page 376
... direct geometry inelastic spectrometers . ( ii ) Inverted geometry inelastic spectrometers have a wider window depending on the range of energy transfers . ( iii ) Total scattering diffractometers give a wide window depending on the ...
... direct geometry inelastic spectrometers . ( ii ) Inverted geometry inelastic spectrometers have a wider window depending on the range of energy transfers . ( iii ) Total scattering diffractometers give a wide window depending on 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 |