Pulsed Neutron Scattering |
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Page 19
... cell . This is illustrated in figure 1.15 . If p represents the nuclear positions within a unit cell , all the nuclei in the crystallite may be represented by positions R = n + p . The intensity of Bragg reflections If we have a single ...
... cell . This is illustrated in figure 1.15 . If p represents the nuclear positions within a unit cell , all the nuclei in the crystallite may be represented by positions R = n + p . The intensity of Bragg reflections If we have a single ...
Page 191
... cell can be crucial . Inside the cells are the chromosomes , composed of strand - like DNA molecules , arranged in ... cell - division that problems can arise , as this process involves the separation of DNA strands from their partners ...
... cell can be crucial . Inside the cells are the chromosomes , composed of strand - like DNA molecules , arranged in ... cell - division that problems can arise , as this process involves the separation of DNA strands from their partners ...
Page 201
... cell is barytes concrete containing 5 % boron absorber . This suppresses any Maxwellian distribution building up in the cell walls and reduces neutron activation of the iron . The target cell itself is a room about 3 m square ...
... cell is barytes concrete containing 5 % boron absorber . This suppresses any Maxwellian distribution building up in the cell walls and reduces neutron activation of the iron . The target cell itself is a room about 3 m square ...
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 |