نتایج جستجو برای: nuclear reaction and scattering
تعداد نتایج: 16945123 فیلتر نتایج به سال:
The work deals with one of the topics of collective motion. In the frame of Nuclear Fluid Dynamics, a model which portrays the nuclear matter as a quantum elastic body, the torus-like motions and their associated energies are computed using the thirteen moment approximation. Such excitations correspond to the Hill vortex known from classical Hydrodynamics. There are also calculated the nonvanis...
2014 A statistical model calculation of the compound nuclear contribution to the 12C + 20Ne elastic scattering reaction has been performed. The results indicate that compound elastic scattering may account for most of the cross-section observed at angles larger than 90° c.m., supporting the proposal that the optical potential for the 12C + 20Ne system is considerably more absorptive than for th...
To efficiently detect energetic light charged particles, it is common to use arrays of energy-loss telescopes involving two or more layers detection media. As the energy particles increases, thicker are usually needed. However, carrying out measurements with thick-telescopes may require corrections for losses due nuclear reactions induced by incident on nuclei within detector and scattering det...
The (n,n'γ) reaction has been used at the University of Kentucky accelerator facility to examine the detailed structure of a number of nuclei. The advantages of this method are reviewed, and recent developments are described. Examples of unique nuclear structure studies that have been carried out with this method are presented.
In addition to optimal conditions, invariant laws of Lorentz, parity and time reversal are imposed to find the relation between observables (spin rotation parameters) and bilinear combination of helicity amplitudes in pion-proton elastic scattering at 6.0 GeV/c. By normalizing the differential cross-section to unity, the magnitudes of helicity amplitudes and the angle between them are dete...
We propose a method for calculating the reaction rates and transition amplitudes of generic process taking place in a many body system in equilibrium. The relationship of the scattering and decay amplitudes as calculated in Thermo Field Dynamics the conventional techniques is established. It is shown that in many cases the calculations are relatively easy in TFD. PACS number(s):11.10.Wx,11.15Bt...
We investigate hadron attenuation in deep-inelastic lepton scattering off complex nuclei in the kinematic regime of the HERMES experiment. Our transport theoretical simulations reveal strong prehadronic final state interactions of the reaction products with the surrounding nuclear medium early after the initial γ∗N interaction has taken place. In this work we compare our model results with the ...
The 40 Ca( 18 O, F) K single charge exchange (SCE) reaction is explored at an incident energy of 275 MeV and analyzed consistently by collecting the elastic scattering inelastic data under same experimental conditions. Full quantum-mechanical SCE calculations direct mechanism are performed including microscopic nuclear structure inputs adopting either a bare optical potential or coupled channel...
The NJOY Nuclear Data Processing System is widely used to convert evaluations in the Evaluated Nuclear Data Files (ENDF) format into forms useful for practical applications such as fission and fusion reactor analysis, stockpile stewardship calculations, criticality safety, radiation shielding, nuclear waste management, nuclear medicine procedures, and more. This paper provides a description of ...
A brief review is given of recent experimental results from high energy electron and muon scattering on nuclear targets. Electron-proton elastic scattering at SLAC, the Adependence of deep inelastic scattering at SLAC and CERN, and recent electron scattering experiments in the new program Nuclear Physics at SLAC are described. Some planned future experiments using high energy electrons and muon...
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