Absolute spectroscopic factors from the (<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>p</mi><mo>,</mo><mi> </mi><mi>p</mi><mi>α</mi></math></span>) reaction at 100 MeV on <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mn>1</mn><mi>p</mi></math></span>-shell nuclei

P. G. Roos; N. S. Chant; A. A. Cowley; D. A. Goldberg; H. D. Holmgren; R. Woody, III

doi:10.1103/PhysRevC.15.69

Absolute spectroscopic factors from the ( $p, p α$ ) reaction at 100 MeV on $1 p$ -shell nuclei

P. G. Roos, N. S. Chant, A. A. Cowley, D. A. Goldberg, H. D. Holmgren, and R. Woody, III

Phys. Rev. C 15, 69 – Published 1 January 1977

Abstract

The ( $p, p α$ ) reaction on ${}^{6}{Li}$ , ${}^{7}{Li}$ , ${}^{9}{Be}$ , and ${}^{12}C$ has been investigated experimentally at a bombarding energy of 100 MeV. Data were obtained at a large number of angle pairs in order to study the reaction mechanism. The data are in good agreement with distorted-wave impulse-approximation calculations; unlike most analyses of transfer reactions we obtain absolute $α$ -particle spectroscopic factors. These are in good agreement with $1 p$ shell model predictions. Thus we find no evidence for additional $α$ -particle-like correlations.

NUCLEAR REACTIONS ${}^{6}{Li}$ , ${}^{7}{Li}$ , ${}^{9}{Be}$ , ${}^{12}C (p, p α)$ , $E_{0} = 100$ MeV; measured $\frac{d^{3} σ}{d Ω_{p} d Ω_{α} d E_{p}} (θ_{p}, θ_{α}, E_{p}, E_{α})$ ; coplanar geometry; DWIA analysis; deduced $α$ -particle spectroscopic factors.

Received 30 August 1976

DOI:https://doi.org/10.1103/PhysRevC.15.69

Authors & Affiliations

P. G. Roos, N. S. Chant, A. A. Cowley^*, D. A. Goldberg, H. D. Holmgren, and R. Woody, III^†

Department of Physics and Astronomy, University of Maryland, College Park, Maryland 20742

^*On leave of absence from the Council for Scientific and Industrial Research, Pretoria, South Africa.
^†Present address: 190 Beaverdam Dr., Winterville, Georgia 30683.

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Vol. 15, Iss. 1 — January 1977

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