Pulsed Neutron Scattering |
From inside the book
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Page 5
... wavelength analyser For nearly all neutron experiments it is necessary to know the wavelength of the neutrons being used . It is not difficult to select a band of wavelengths . The usual method is Bragg reflection from an orientated ...
... wavelength analyser For nearly all neutron experiments it is necessary to know the wavelength of the neutrons being used . It is not difficult to select a band of wavelengths . The usual method is Bragg reflection from an orientated ...
Page 13
... wavelength and scattering angle of the experiment are unimportant . Performing a diffraction experiment In an ... wavelength scan using equation ( 1.4 ) with L equal to the total flight path Lo + L1 . The Q scan is shown . It reaches as ...
... wavelength and scattering angle of the experiment are unimportant . Performing a diffraction experiment In an ... wavelength scan using equation ( 1.4 ) with L equal to the total flight path Lo + L1 . The Q scan is shown . It reaches as ...
Page 155
... wavelengths . In particular , the short wavelength performance is grossly underestimated . The peak differential flux npeak ( λ ) The obvious counter to the above objections is to discard the search for a single total flux figure to ...
... wavelengths . In particular , the short wavelength performance is grossly underestimated . The peak differential flux npeak ( λ ) The obvious counter to the above objections is to discard the search for a single total flux figure to ...
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 |