Pulsed Neutron Scattering |
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Page 145
... beam 100 mm wide becomes equal to this at an angle ~ 15 ° . m m ་ ( ii ) A partial solution to the problem is to form the moderator slab into a curve . The curvature increases the uniformity of the neutron brightness ... neutron beam 145.
... beam 100 mm wide becomes equal to this at an angle ~ 15 ° . m m ་ ( ii ) A partial solution to the problem is to form the moderator slab into a curve . The curvature increases the uniformity of the neutron brightness ... neutron beam 145.
Page 206
... beam penumbra . Surfaces ' seen ' by the counters should be absorbing ( dashed lines ) . They should never include neutron emitting surfaces ( heavy ... Beam Penumbra Beam Stop Lead and Iron Concrete Borated 206 Pulsed neutron scattering.
... beam penumbra . Surfaces ' seen ' by the counters should be absorbing ( dashed lines ) . They should never include neutron emitting surfaces ( heavy ... Beam Penumbra Beam Stop Lead and Iron Concrete Borated 206 Pulsed neutron scattering.
Page 207
Colin G. Windsor. Spectrometer Beam Penumbra Beam Stop Lead and Iron Concrete Borated Resin Final Collimator Evacuated Straight- through Beam Tube Boron Carbide Powder Figure 5.14 . A pulsed neutron beam stop . The beam penumbra should ...
Colin G. Windsor. Spectrometer Beam Penumbra Beam Stop Lead and Iron Concrete Borated Resin Final Collimator Evacuated Straight- through Beam Tube Boron Carbide Powder Figure 5.14 . A pulsed neutron beam stop . The beam penumbra should ...
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 |