Semiclassical theory of a nuclear Josephson effect in reactions between heavy ions |
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| Affiliation: | 1. Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA;2. Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, 37966, USA;3. Department of Physics, Florida State University, Tallahassee, FL, 32306, USA;4. Istituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126, Napoli, Italy;5. Department of Physics, Technische Universität Darmstadt, Darmstadt, Germany;6. ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291, Darmstadt, Germany;7. Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117, Heidelberg, Germany;8. Department of Nuclear Physics and Accelerator Applications, Research School of Physics, Australian National University, Canberra, ACT, 2601, Australia;9. School of Physics, Georgia Institute of Technology, Atlanta, GA, 30332, USA;10. TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6T 2A3, Canada;11. Department of Physics, McGill University, Montréal, QC, H3A 2T8, Canada;12. Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA, 70803, USA;13. Department of Biological and Physical Sciences, South Carolina State University, Orangeburg, SC, 29117, USA;1. CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2. Department of Physics, The University of Hong Kong, Pokfulam, Hong Kong, China;3. RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan;4. School of Physics, Engineering and Technology, University of York, Heslington, York, YO10 5DD, UK;5. Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany;6. IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France;7. TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada;8. Department of Physics, McGill University, Montréal, Quebec City H3A 2T8, Canada;9. National Center for Computational Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA;10. Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA;11. Department of Physics, Kyushu University, Fukuoka 819-0395, Japan;12. Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Japan;13. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan;14. Center for Nuclear Study, University of Tokyo, RIKEN campus, Wako, Saitama 351-0198, Japan;15. Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France;p. Department of Physics, Tohoku University, Sendai 980-8578, Japan;q. Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China;r. Department of Physics, Royal Institute of Technology, SE-10691, Stockholm, Sweden;s. Université Paris-Saclay, CNRS/IN2P3, IJCLab, F-91405 Orsay cedex, France;t. Laboratoire Kastler Brossel, Sorbonne Université, CNRS, ENS, PSL Research University, Collège de France, Case 74, 4 Place Jussieu, 75005 Paris, France;u. Pontificia Universidad Javeriana, Facultad de Ciencias, Departamento de Física, Bogotá, Colombia;v. Universidad Nacional de Colombia, Sede Bogotá, Facultad de Ciencias, Departamento de Física, Bogotá 111321, Colombia;w. Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan;x. Institute for Nuclear Research, Atomki, P.O. Box 51, Debrecen H-4001, Hungary;y. Institute for Basic Science, Daejeon 34126, Korea;z. Department of Physics, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 172-8501, Japan;11. GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstr. 1, 64291 Darmstadt, Germany;12. Institute for Nuclear Science & Technology, VINATOM, 179 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam;13. Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia;14. Institut für Kernphysik, Universität zu Köln, D-50937 Cologne, Germany;15. Ewha Womans University, Seoul 03760, Korea;16. Department of Physics, Tokyo Institute of Technology, 2-12-1 O-Okayama, Meguro, Tokyo, 152-8551, Japan;17. Vietnam Agency for Radiation and Nuclear Safety, 113 Tran Duy Hung, Cau Giay, Hanoi, Viet Nam;18. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA;19. Department of Physics, University of Oslo, N-0316 Oslo, Norway;110. Extreme Light Infrastructure-Nuclear Physics (ELI-NP)/Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), Str. Reactorulu, Măgurele 077125, Romania;111. Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain;1. Instituto de Estructura de la Materia, CSIC, Madrid, Spain;2. Science and Technology Research Centre, University of Huelva, Spain;3. National Centre for Nuclear Research, Otwock, Poland;4. Instituto de Fí sica, Universidad Nacional Autónoma de Mexico, Mexico;5. Instituut voor Kern-en Stralingsfysica, KU Leuven, Belgium;6. Physics Department, Lund University, Sweden;7. INFN, Laboratori Nazionali del Sud, Catania, Italy;8. Departamento de FAMN, Universidad de Sevilla, Apartado 1065, 41080 Sevilla, Spain;9. Grupo de Física Nuclear, IPARCOS, EMFTEL, Universidad Complutense de Madrid, Spain;10. Department of Physics and Astronomy, University of Aarhus, Denmark;11. LIP - Laboratory for Instrumentation and Experimental Particle Physics, Lisbon, Portugal;12. Department of Physics, Chalmers University of Technology, Göteborg, Sweden;13. Department of Physics, The Florida State University, Tallahassee, FL, USA;14. Astrophysics Research Centre, Queen''s University Belfast, UK;15. Department of Physics and Astronomy, University of Tennessee, Knoxville, USA;p. Grand Accélérateur National d''Ions Lourds, Caen, France;q. Heavy Ion Laboratory, University of Warsaw, Poland;r. Centro de Estudios Avanzados en Física, Matemáticas y Computación, University of Huelva, Spain;s. ul. Ugorek 16/43, 31-456 Kraków, Poland |
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| Abstract: | A semiclassical treatment of heavy ion reactions below the Coulomb barrier is given with special emphasis on a pair transfer between superconducting nuclei. The cross section is explicitly given within a schematic model. An enhhancement of the pair transfer due to superconductivity is found which, in favorable cases, may amount to a factor of 100 to 900 in the cross section. |
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