Spectroscopy of the heavy lithium isotopes 10-12Li. European Physical Journal A Volume 49, Issue 6, 2013, Pages 1-7

14 сентября 2018
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Контактные данные автора публикации Chernyshev, B.A.a, Gurov, Y.B.a, Karpukhin, V.S.a, Korotkova, L.Y.a , Lapushkin, S.V.a, Pritula, R.V.a, Sandukovsky, V.G.b a National Research Nuclear University MEPhI, 115409 Moscow, Russian Federation b Joint Institute for Nuclear Research
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The experimental search for the production of heavy lithium isotopes 10-12Li was carried out in the stopped π--meson absorption reactions on the radioactive target 14C. The study of 10Li was performed in the missing mass spectra in the 14C(π-, pt)X and 14C(π-, dd)X reactions. Three excited states of 10Li were identified. A broad state with a resonance energy Er = 6.13 ± 0.11MeV has the highest excitation energy, compared with previously observed levels. The resonance parameters of three low-lying excited states of 11Li were determined in the 14C(π-, pd)X reaction. In the 14C(π-, pp)X reaction an evidence for a 12Li excited state (Er = 4.0 ± 0.2MeV and Γ = 1.1 ± 0.2MeV) was found.
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