Pulsed Neutron Scattering |
From inside the book
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Page 74
... Fission Fission is the breaking of a nucleus into two large pieces . It occurs to some extent for all nuclei heavier than bismuth ( Z = 83 ) and can be induced by giving these nearly unstable nuclei some extra energy . In the ' liquid ...
... Fission Fission is the breaking of a nucleus into two large pieces . It occurs to some extent for all nuclei heavier than bismuth ( Z = 83 ) and can be induced by giving these nearly unstable nuclei some extra energy . In the ' liquid ...
Page 95
... fission sources . The ' fission spectrum ' dominates the low end of the spectrum in all cases . This is an isotropic distribution whose flux per unit energy 100 10 100 Th Electrons Protons 10 100 10 Fission How pulsed sources work 95.
... fission sources . The ' fission spectrum ' dominates the low end of the spectrum in all cases . This is an isotropic distribution whose flux per unit energy 100 10 100 Th Electrons Protons 10 100 10 Fission How pulsed sources work 95.
Page 380
... fission cross - section . The fission neutrons are fast and arrive at the detector before the diffracted neutrons . A slow neutron filter before the specimen may be necessary to limit the extent of the fission neutron spectrum . time ...
... fission cross - section . The fission neutrons are fast and arrive at the detector before the diffracted neutrons . A slow neutron filter before the specimen may be necessary to limit the extent of the fission neutron spectrum . time ...
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 |