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. 2004 Dec 31;93(26 Pt 1):262501.
doi: 10.1103/PhysRevLett.93.262501. Epub 2004 Dec 20.

Observation of excited states in 5H

M S Golovkov  1 , L V Grigorenko, A S Fomichev, S A Krupko, Yu Ts Oganessian, A M Rodin, S I Sidorchuk, R S Slepnev, S V Stepantsov, G M Ter-Akopian, R Wolski, M G Itkis, A A Bogatchev, N A Kondratiev, E M Kozulin, A A Korsheninnikov, E Yu Nikolskii, P Roussel-Chomaz, W Mittig, R Palit, V Bouchat, V Kinnard, T Materna, F Hanappe, O Dorvaux, L Stuttgé, C Angulo, V Lapoux, R Raabe, L Nalpas, A A Yukhimchuk, V V Perevozchikov, Yu I Vinogradov, S K Grishechkin, S V Zlatoustovskiy
Affiliations

Observation of excited states in 5H

M S Golovkov et al. Phys Rev Lett. .

Abstract

The 5H system was produced in the 3H(t,p)5H reaction studied with a 58 MeV tritium beam at small c.m. angles. High statistics data were used to reconstruct the energy and angular correlations between the 5H decay fragments. A broad structure in the 5H missing mass spectrum showing up above 2.5 MeV was identified as a mixture of the 3/2+ and 5/2+ states. The data also present evidence that the 1/2+ ground state of 5H is located at about 2 MeV.

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