Large-space cluster model calculations for the 3He(3He,2p)4He and 3H(3H,2n)4He reactions |
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| Institution: | 1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA;2. Institute for Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark;3. Department of Atomic Physics, Eötvös University, Pázmány Péter sétány 1/A, H-1117 Budapest, Hungary;1. National Institute for Physics and Nuclear Engineering, R-76900 Bucharest, Romania;2. Institut für Theoretische Physik, Universität Tübingen, D-72076 Tübingen, Germany;1. Department of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27599-3255, USA;2. Triangle Universities Nuclear Laboratory, Durham, NC 27708-0308, USA;1. GSI Darmstadt Planckstraße 1, D-64291 Darmstadt, Germany;2. Institute for Physics and Power Engineering Bondarenko Sq. 1, 249020 Obninsk, Kaluga Region, Russia;1. Physics Department, University of Notre Dame, Notre Dame, IN 46556, U.S.A.;1. Institute for Nuclear Theory, Box 351550, University of Washington, Seattle, WA 98195, USA;2. Department of Physics, Box 351560 University of Washington, Seattle, WA 98195, USA;1. Institute for Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark |
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| Abstract: | The 3He(3He,2p)4He and 3H(3H,2n)su4He reactions are studied in a microscopic cluster model. We search for resonances in the 3He+3He and 4He + p + p channels using methods that treat the two- and three-body resonance asymptotics correctly. Our results show that the existence of a low-energy resonance or virtual state, which could influence the 7Be and 8B solar neutrino fluxes, is rather unlikely. Our calculated 3He(3He,2p)4He and 3H(3H,2n)4He cross sections are in a good general agreement with the experimental data. |
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