Pulsed Neutron Scattering |
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Page 13
... scattering at an angle of 20 4π sin 0 Q = 2ko sin 0 = 20 ( 1.12 ) Q is the important variable in diffraction . The actual wavelength and scattering angle of the experiment are unimportant . Performing a diffraction experiment In an ...
... scattering at an angle of 20 4π sin 0 Q = 2ko sin 0 = 20 ( 1.12 ) Q is the important variable in diffraction . The actual wavelength and scattering angle of the experiment are unimportant . Performing a diffraction experiment In an ...
Page 235
... angle of a beam by parallel absorbing plates . Their transmission as a function of angle is triangular with a full ... scattering angle uncertainties A0 are not confined to uncertainties in the counter angle 20 itself . Also important will be ...
... angle of a beam by parallel absorbing plates . Their transmission as a function of angle is triangular with a full ... scattering angle uncertainties A0 are not confined to uncertainties in the counter angle 20 itself . Also important will be ...
Page 237
... scattering angles , to zero to back - scattering where ( → л and cot 0 → 0 . The origin of this variation is seen in ... angle increases . At back- scattering , the curve is flat and the Q uncertainty becomes vanishingly small . Back ...
... scattering angles , to zero to back - scattering where ( → л and cot 0 → 0 . The origin of this variation is seen in ... angle increases . At back- scattering , the curve is flat and the Q uncertainty becomes vanishingly small . Back ...
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 |