Pulsed Neutron Scattering |
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Page 244
... diffractometer A similar approach , which usually gives a result not far from optimum , is to design a ' matched ' diffractometer . This can be defined as one where the contribution from each independent variable to the resolution is ...
... diffractometer A similar approach , which usually gives a result not far from optimum , is to design a ' matched ' diffractometer . This can be defined as one where the contribution from each independent variable to the resolution is ...
Page 253
... diffractometer with 0.03 % resolution At these high resolutions , the flight path of our matched spectrometer of Section 6.3 becomes of order 100 m . With these lengths , the frame overlap is inevitably a major concern . Most ...
... diffractometer with 0.03 % resolution At these high resolutions , the flight path of our matched spectrometer of Section 6.3 becomes of order 100 m . With these lengths , the frame overlap is inevitably a major concern . Most ...
Page 380
... diffractometer Figure 10.5 shows the diffractometer constructed at the Harwell electron linac . It has a ratio Lo / L1 ~ 3 , so the time - focusing effect mentioned in Section 6.2 can be used . This allows broad sample , detector and ...
... diffractometer Figure 10.5 shows the diffractometer constructed at the Harwell electron linac . It has a ratio Lo / L1 ~ 3 , so the time - focusing effect mentioned in Section 6.2 can be used . This allows broad sample , detector and ...
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 |