Reactions with 9Be at subbarrier energies |
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| Affiliation: | 1. Department of Physics and Astronomy, McMaster University, Hamilton, Ontario L8S 4M1, Canada;2. National Superconducting Cyclotron Laboratory Michigan State University, East Lansing, MI 48824, USA;1. Department of Physics and Astronomy, McMaster University, Hamilton, Ontario L8S 4M1, Canada;2. National Superconducting Cyclotron Laboratory Michigan State University, East Lansing, MI 48824, USA;1. IRCNPC, School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;2. RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan;3. Department of Nuclear Physics, R.S.P.E., Australian National University, Canberra, ACT 2601, Australia;4. Physics Division, Argonne National Laboratory, Argonne, IL 60439, USA;5. Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom;6. National Physical Laboratory, Teddington, Middlesex, TW11 0LW, United Kingdom;7. Department of Physics, Kyoto University, Kyoto, 606-8502, Japan;8. Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan;9. MTA Atomki, P. O. Box 51, Debrecen, H-4001, Hungary;10. Department of Physics, Chung-Ang University, Seoul 156-756, Republic of Korea;11. Department of Physics, the University of Hong Kong, Pokfulam Road, Hong Kong;12. Department of Physics, Peking University, Beijing 100871, China;13. Department of Physics, College of Science in Zulfi, Majmaah University, Majmaah 11952, Saudi Arabia;14. School of Computing, Engineering and Mathematics, University of Brighton, Brighton, BN2 4GJ, United Kingdom;15. Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea;p. Nuclear Engineering Division, Argonne National Laboratory, Argonne, IL 60439, USA;q. School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom;r. Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan;s. GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany;t. Department of Display Engineering, Hoseo University, Chung-Nam 336-795, Republic of Korea;u. Department of Physics, Tohoku University, Aoba, Sendai, Miyagi 980-8578, Japan;v. Horia Hulubei National Institute for R & D in Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele 077125, Romania;w. VNU Hanoi University of Science, 334 Nguyen Trai, Thanh Xuan, Hanoi, Viet Nam;x. School of Physics, University College Dublin, Belfield, Dublin 4, Ireland;y. Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, 35020 Legnaro, Italy |
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| Abstract: | The 9Be+9Be, 9Be+10B, 9Be+11B and 9Be+13C reactions have been studied at subbarrier energies measuring the cross sections for the characteristic γ-rays emitted by the residual nuclei and comparing them with the statistical evaporation prediction. A substantial enhancement in the αn channel, which contains the the α-transfer reaction from 9Be, has been observed in all the systems studied. Evidence suggesting that the α-transfer reaction is not exclusively a direct transfer process is being presented. |
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