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Showing 1 to 5 of 5 for “"Distorted wave impulse approximation"”.
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Electron-impact ionization of molecules
… dynamics has been well described by the plane wave impulse approximation (PWIA) for most molecules. For intermediate and low incident-electron energy ( ̃hundreds-tens eV) collisions, currently there has been no reliable theoretical approach for studying the micro ionization mechanism. In this …
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Pion Absorption on Polarized Lithium-7 at 165 MeV
… pair. Theoretical predictions were made using a Distorted Wave Impulse Approximation (DWIA) and assuming that the absorption occurs on deuteron-like nucleon pairs. The measured analyzing powers were found to be consistent with zero in complete disagreement with the DWIA predictions. The reason …
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A study of Gamow-teller strength using the 208Pb(p,n) and 181Ta(p,n) reactions at intermediate energy, Ep=122 MeV
… reactions was performed using the results of distorted-wave impulse approximation (DWIA) calculations. The spectra associated with the two reactions were decomposed into L=0,1 and 2 transfer components. The major contribution to the spectra were found to be L=O, with a very small 1=2 multipole …
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Quasifree knockout of charged particles from ⁴He with 100 MeV protons
… experiment was to explore the validity of the Distorted Wave Impulse Approximation (DWIA) as a description of these quasifree knockout reactions, at all geometries where the knockout cross section is significant. Six particle telescopes, each consisting of two silicon detectors and a NaI …
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Coincident proton decay of the continuum induced by 200 MeV protons on 12C
… nucleon-nucleon interaction - described by a distorted wave impulse approximation (DWIA) treatment - between the incident proton and a single target nucleon, followed by the rescattering of the struck nucleon, which behaves as an intranuclear projectile, from the spectator part of the target …