Pulsed Neutron Scattering |
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Page 307
... scattering law , which is vital for magnetic studies and where nuclear information is most free from multiple scattering effects . Fractional energy loss is likely to be low , with E1 / Eo ~ 07 to 1-0 . The scattered flight path L ...
... scattering law , which is vital for magnetic studies and where nuclear information is most free from multiple scattering effects . Fractional energy loss is likely to be low , with E1 / Eo ~ 07 to 1-0 . The scattered flight path L ...
Page 333
... scattered flight path L , from sample to counter t = mL1 hk , mL1d sin 0 μπ A We measure in the time - of - flight scan the total flight time t = to + t1 over both incident and scattered flight paths . The flight time over the incident ...
... scattered flight path L , from sample to counter t = mL1 hk , mL1d sin 0 μπ A We measure in the time - of - flight scan the total flight time t = to + t1 over both incident and scattered flight paths . The flight time over the incident ...
Page 340
... scattering vector Q is large , Q ≈ ( 2mw / h ) 1 / 2 . = The slow spread of the scattered neutrons makes it crucial to reduce the uncertainty in the scattered neutron flight time . This must be done by focusing the scattered flight path ...
... scattering vector Q is large , Q ≈ ( 2mw / h ) 1 / 2 . = The slow spread of the scattered neutrons makes it crucial to reduce the uncertainty in the scattered neutron flight time . This must be done by focusing the scattered flight path ...
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 |