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Phys. Rev. C 69, 024608 (2004) [5 pages]

Resonant and direct components in the 3He(d,p)4He reaction at low energies

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B. Braizinha1,*, C. R. Brune2, A. M. Eiró1, B. M. Fisher3, H. J. Karwowski3, D. S. Leonard3, E. J. Ludwig3, F. D. Santos1, and I. J. Thompson4
1Departamento de Física and Centro de Física Nuclear da Universidade Lisboa, 1649-003 Lisboa, Portugal
2Ohio University, Athens, Ohio 45701, USA
3Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3255, USA and Triangle Universities Nuclear Laboratory, Durham, North Carolina 22708-0308, USA
4Department of Physics, Surrey University, Guildford GU2 7XH, United Kingdom

Received 8 October 2003; published 25 February 2004

New experimental results for the cross section and Ayy tensor analyzing power observables of the 3He(d,p)4He reaction at a scattering angle of θ=0° are presented for Ed=0.52,0.89, and 1.49 MeV, and all linearly independent scattering amplitudes at this angle are calculated. A hybrid R-matrix+potential model is used to fit these results and other 3He(d,p)4He reaction data for Ed<1 MeV. This analysis indicates significant direct process contributions to the reaction mechanism.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.69.024608
DOI:
10.1103/PhysRevC.69.024608
PACS:
24.10.−i, 24.30.−v, 24.70.+s, 25.55.−e

*Electronic address: B.Braizinha@surrey.ac.uk

 
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