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Spectroscopy of 7He and superheavy hydrogen isotope 5H |
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| Authors: | M S Golovkov A A Korsheninnikov I Tanihata D D Bogdanov M L Chelnokov A S Fomichev V A Gorshkov Yu Ts Oganessian A M Rodin S I Sidorchuk S V Stepantsov G M Ter-Akopian R Wolski W Mittig P Roussel-Chomaz H Savajols E A Kuzmin E Yu Nikolskii B G Novatskii A A Ogloblin |
| Institution: | (1) RIKEN, Hirosawa 2-1, Wako, Saitama 351-01, Japan;(2) Joint Institute for Nuclear Research, Dubna, Russia;(3) GANIL, BP 5027, F-14021 Caen Cedex, France;(4) Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia;(5) Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia;(6) Institute of Nuclear Physics, ul. Kawiory 26a, PL-30-055 Cracow, Poland |
| Abstract: | The neutron-transfer reaction d(6He, p)7He is investigated. The data obtained show that, in the range between 1 and 7 MeV above its ground-state resonance, 7He does not have well-pronounced narrow excited states with a single-particle structure. A resonance state of 5H with an energy of 2 MeV above the n+n+3H decay threshold is obtained for the first time by making use of the reaction p(6He, 2He)5H. |
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