Search for a 7-α chain state

P. M. Simmons, W. D. M. Rae, S. P. G. Chappell, S. P. Fox, C. D. Jones, D. L. Watson, M. Freer, B. R. Fulton, N. M. Clarke, N. Curtis, M. J. Leddy, J. S. Pople, S. J. Hall, R. P. Ward, G. Tungate, W. N. Catford, G. J. Gyapong, S. M. Singer, and P. H. Regan
Phys. Rev. C 51, 3500 – Published 1 June 1995
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Abstract

The reaction C12(16O,7α) has been studied over the center-of-mass energy range from 37.7 MeV to 51.4 MeV, in a search for evidence for a 7-α chain state in Si28. The yields of the C12(02+)12C(02+)-α and C12(02+)8Be8Be final states agree broadly with previous measurements but contain no structure, indicating that a Si28 chain state is probably not being observed. The yields for the inelastic scattering reaction C12+16O decaying to other excited states in C12 and O16 have also been studied. They also contain no gross structure.

  • Received 11 January 1995

DOI:https://doi.org/10.1103/PhysRevC.51.3500

©1995 American Physical Society

Authors & Affiliations

P. M. Simmons and W. D. M. Rae

  • Department of Physics, University of Oxford, Nuclear Physics Laboratory, Keble Road, Oxford OX1 3RH, United Kingdom

S. P. G. Chappell, S. P. Fox, C. D. Jones, and D. L. Watson

  • Department of Physics, University of York, York, YO1 5DD, United Kingdom

M. Freer, B. R. Fulton, N. M. Clarke, N. Curtis, M. J. Leddy, J. S. Pople, S. J. Hall, R. P. Ward, and G. Tungate

  • School of Physics and Space Research, University of Birmingham, Birmingham, B15 2TT, United Kingdom

W. N. Catford, G. J. Gyapong, and S. M. Singer

  • Department of Physics, University of Surrey, Guildford, Surrey GU2 5XH, United Kingdom

P. H. Regan

  • Department of Nuclear Physics, Research School of Physical Sciences, The Australian National University, GPO Box 4, Canberra, ACT 2601, Australia

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Vol. 51, Iss. 6 — June 1995

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