Reaction <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Li</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>6</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow><mo>(</mo><mi>p</mi><mo>,</mo><mi> </mi><mi>p</mi><mi>d</mi><mo>)</mo><mrow><mmultiscripts><mrow><mi mathvariant="normal">He</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>4</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math> at 590 MeV and <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>α</mi><mo>−</mo><mi>d</mi></math> Clustering in <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Li</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>6</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math>

J. C. Alder; W. Dollhopf; W. Kossler; C. F. Perdrisat; W. K. Roberts; P. Kitching; G. A. Moss; W. C. Olsen; J. R. Priest

doi:10.1103/PhysRevC.6.18

Reaction ${}^{6}{Li} (p, p d) {}^{4}{He}$ at 590 MeV and $α - d$ Clustering in ${}^{6}{Li}$

J. C. Alder, W. Dollhopf, W. Kossler, C. F. Perdrisat, W. K. Roberts, P. Kitching, G. A. Moss, W. C. Olsen, and J. R. Priest

Phys. Rev. C 6, 18 – Published 1 July 1972

Abstract

The cross section for the reaction ${}^{6}{Li} (p, p d) {}^{4}{He} (g . s .)$ has been measured in a kinematically complete experiment with 590-MeV protons. Reactions with recoil momenta of the residual ${}^{4}{He}$ nucleus up to 120 MeV/c have been detected. The results are interpreted in terms of the plane-wave impulse approximation and the $α - d$ cluster model. It is found that the reaction occurs with a cross section 0.8 times as large as the free elastic $pd$ cross section at the same average c.m. scattering angle. The width of the momentum distribution for the motion of a deuteron in ${}^{6}{Li}$ is observed to be 124±4 MeV/c (full width at half maximum), a value considerably larger than had been observed before in similar experiments at lower energies.

Received 28 February 1972

DOI:https://doi.org/10.1103/PhysRevC.6.18

Authors & Affiliations

J. C. Alder^*,†, W. Dollhopf, W. Kossler, and C. F. Perdrisat

College of William and Mary, Williamsburg, Virginia 23185

W. K. Roberts

National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio 44135

P. Kitching, G. A. Moss, and W. C. Olsen^‡

Nuclear Research Centre, University of Alberta, Edmonton, Alberta, Canada

J. R. Priest

Miami University, Oxford, Ohio

^*Present address: Deutsches Elektronen Synchrotron, Notkestieg 1, 2000 Hamburg-52, Germany.
^†Work supported by the Swiss Institute for Nuclear Research (S. I. N.)
^‡Research work supported in part by the Atomic Energy Control Board of Canada.

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Vol. 6, Iss. 1 — July 1972

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