نتایج جستجو برای: shell sections
تعداد نتایج: 143387 فیلتر نتایج به سال:
Absolute cross sections have been determined following single neutron knockout reactions from 10Be and 10C at intermediate energy. Nucleon density distributions and bound-state wave function overlaps obtained from both variational Monte Carlo (VMC) and no core shell model (NCSM) ab initio calculations have been incorporated into the theoretical description of knockout reactions. Comparison to e...
Far off-shell Higgs production in H → WW,ZZ, is a particularly powerful probe of Higgs properties, allowing one to disentangle Higgs width and coupling information unavailable in on-shell rate measurements. These measurements require an understanding of the cross section in the far off-shell region in the presence of realistic experimental cuts. We analytically study the effect of a pT jet veto...
Far off-shell Higgs production in H → WW,ZZ, is a particularly powerful probe of Higgs properties, allowing one to disentangle Higgs width and coupling information unavailable in on-shell rate measurements. These measurements require an understanding of the cross section in the far off-shell region in the presence of realistic experimental cuts. We analytically study the effect of a pT jet veto...
We have measured the vibrationally resolved partial cross sections σv′ 1 and asymmetry parameters βv′ 1 for C K-shell photoionization of the CO2 molecule in the u shape resonance region above the C K-shell ionization threshold. The positions of both the maxima of σv′ 1 and the minima of βv′ 1 move towards the C K-shell threshold with increasing symmetric stretching vibrational excitation v′ 1 i...
Light scattering by light absorbing carbon (LAC) aggregates encapsulated into sulfate shells is computed by use of the discrete dipole method. Computations are performed for a UV, visible, and IR wavelength, different particle sizes, and volume fractions. Reference computations are compared to three classes of simplified model particles that have been proposed for climate modeling purposes. Nei...
Absolute K-shell photoionization cross sections for atomic nitrogen have been obtained from both experiment and state-of-the-art theoretical techniques. Because of the difficulty of creating a target of neutral atomic nitrogen, no high-resolution K-edge spectroscopy measurements have been reported for this important atom. Interplay between theory and experiment enabled identification and charac...
V. A. PETROV AND A. V. PROKUDIN Institute For High Energy Physics, 142284 Protvino , Russia E-mail: [email protected] [email protected] We develop an off-shell extention of the Regge-eikonal approach which automatically takes into account off-shell unitarity. We argue that exclusive vector-meson production cross-sections measured at HERA can be fairly described with classical universal Regge...
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