Pulsed Neutron Scattering |
From inside the book
Results 1-3 of 19
Page 196
... y - rays . Fast neutrons are the most serious . A 100 MeV electron beam produces a fast neutron yield nfn 4 × 1012 ... y - ray yield from 100 MeV electrons is around 3 × 1014 photons s1kW - 1 . Applying equation ( 5.2 ) , we obtain ~ 10 ...
... y - rays . Fast neutrons are the most serious . A 100 MeV electron beam produces a fast neutron yield nfn 4 × 1012 ... y - ray yield from 100 MeV electrons is around 3 × 1014 photons s1kW - 1 . Applying equation ( 5.2 ) , we obtain ~ 10 ...
Page 364
... y - rays with a characteristic energy spectrum . A suitable y - ray detector is placed near the foil to detect and time the y - ray . Figure 9.36 shows how the detector can be made into an inverse geometry inelastic spectrometer . The ...
... y - rays with a characteristic energy spectrum . A suitable y - ray detector is placed near the foil to detect and time the y - ray . Figure 9.36 shows how the detector can be made into an inverse geometry inelastic spectrometer . The ...
Page 367
... y - ray The y - rays from a typical resonance are not in themselves difficult to detect . The problem is to distinguish these y - rays from all the others inevitably present near a pulsed neutron beam . Two methods are illustrated in ...
... y - ray The y - rays from a typical resonance are not in themselves difficult to detect . The problem is to distinguish these y - rays from all the others inevitably present near a pulsed neutron beam . Two methods are illustrated in ...
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 |