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Correlation investigations of the low-energy 10He spectrum |
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| Authors: | S I Sidorchuk A A Bezbakh R Wolski M S Golovkov A V Gorshkov V A Gorshkov L V Grigorenko I A Egorova G Kaminski S A Krupko E A Kuzmin E Yu Nikolskii Yu Ts Oganessian Yu L Parfenova R S Slepnev S V Stepantsov G M Ter-Akopian A S Fomichev V Chudoba P G Sharov P Jaluvkova |
| Institution: | 1573. Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, 141980, Russia 2573. Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, 31-342, Cracow, Poland 3573. Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russia 4573. Russian Research Center Kurchatov Institute, Moscow, 123182, Russia 5573. Institute of Physics, Silesian University, 74 601, Opava, Czech Republic |
| Abstract: | The spectrum of low-lying states in the 10He nucleus is investigated for the two-neutron transfer reaction 3H(8He, p)10He. The secondary beam of 8He nuclei with the energy 21.5 MeV/nucleon and a cryogenic tritium target are used in the experiment. The 10He ground state is observed in the missing mass spectrum at the energy of 2.1 MeV (Γ ～ 2 MeV) above the decay threshold. Analysis of the angular correlations of the 10He decay products yields the spin and parity of two excited 10He states, J π = 1? in the energy range from 4 to 6 MeV and J π = 2+ at energies above 6 MeV. |
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