Pulsed Neutron Scattering |
From inside the book
Results 1-3 of 22
Page 10
... velocity . We therefore frequently use the wave - vector | k | = 2π / 2 . We shall measure k in nm - 1 so that mv k = h 1 k ( nm ) 15.882v ( mm μs1 ) . = ( 1.8 ) We determine nuclear positions by scattering the neutron beam from the ...
... velocity . We therefore frequently use the wave - vector | k | = 2π / 2 . We shall measure k in nm - 1 so that mv k = h 1 k ( nm ) 15.882v ( mm μs1 ) . = ( 1.8 ) We determine nuclear positions by scattering the neutron beam from the ...
Page 110
... velocity VCM is easily found from momentum conservation VCM = m m + Am Vo = Vo ( A + 1 ) In the CM co - ordinates , the moderator atom velocity u must equal VCM and the neutron velocity vo equal vo - VCM or AVCM . These velocities are ...
... velocity VCM is easily found from momentum conservation VCM = m m + Am Vo = Vo ( A + 1 ) In the CM co - ordinates , the moderator atom velocity u must equal VCM and the neutron velocity vo equal vo - VCM or AVCM . These velocities are ...
Page 302
... velocity . Time - of - flight determines the scattered neutron velocity . pulse t ,, selects neutrons centred on a given velocity 302 Pulsed neutron scattering Inelastic rotor spectrometers.
... velocity . Time - of - flight determines the scattered neutron velocity . pulse t ,, selects neutrons centred on a given velocity 302 Pulsed neutron scattering Inelastic rotor spectrometers.
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 |