Pulsed Neutron Scattering |
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Page 364
... resonance detector selects scattered neutrons of several eV , permitting energy transfers up to 1000 meV . Figure 9.35 shows the absorption cross - section of 238U in the range up to 15 eV . The sharp peaks are capture y - resonances ...
... resonance detector selects scattered neutrons of several eV , permitting energy transfers up to 1000 meV . Figure 9.35 shows the absorption cross - section of 238U in the range up to 15 eV . The sharp peaks are capture y - resonances ...
Page 401
... Resonance absorption radiography We saw in our discussion of resonance spectrometers that many elements , especially the heavy ones , have numerous sharp , intense peaks in their absorption cross - section . These resonance absorptions ...
... Resonance absorption radiography We saw in our discussion of resonance spectrometers that many elements , especially the heavy ones , have numerous sharp , intense peaks in their absorption cross - section . These resonance absorptions ...
Page
... resonance detector 366 in transmission cross - section measurements 396 of diffractometers 254 Resonance absorption filter 385 absorption radiography 400 detector spectrometer 365 R factor 290 Risk from radiation 193 in life 194 ...
... resonance detector 366 in transmission cross - section measurements 396 of diffractometers 254 Resonance absorption filter 385 absorption radiography 400 detector spectrometer 365 R factor 290 Risk from radiation 193 in life 194 ...
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 |