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Phase-shift analysis of elastic proton-deuteron scattering cross sections and3He excited states

Authors
Journal
Nuclear Physics A
0375-9474
Publisher
Elsevier
Publication Date
Volume
221
Issue
2
Identifiers
DOI: 10.1016/0375-9474(74)90317-0

Abstract

Abstract A phase-shift analysis of recent experimental data on elastic proton-deuteron scattering and reaction cross sections has been performed for laboratory energies from 1 to 46.3 MeV. Phase shifts up to L = 8 calculated by Faddeev equation techniques have been included in the analysis. A new set of p-d scattering lengths is given which rules out the possibility of a pole term in the effective range expansion of the doublet 2 S 1 2 phase. The Argand plot of the 4P wave is shown to be consistent with a broad resonance in 3He centered around an excitation energy of 14 MeV. This resonance is discussed in the light of preceding experimental and phase-shift analysis results.

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