Elsevier

Nuclear Physics A

Volume 221, Issue 2, 18 March 1974, Pages 253-268
Nuclear Physics A

Phase-shift analysis of elastic proton-deuteron scattering cross sections and 3He excited states

https://doi.org/10.1016/0375-9474(74)90317-0Get rights and content

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 2S12 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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    ††

    Work performed under the auspices of the US Atomic Energy Commission

    Permanent address: Institut des Sciences Nucléaires, BP 257, 38044 Grenoble, France.

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