Study of Proton and Deuteron Pickup Reactions and with 44 MeV Be Radioactive Beam at ACCULINNA-2 Fragment Separator
Nikolskii E.Y. Krupko S.A. Muzalevskii I.A. Bezbakh A.A. Wolski R. Yuan C. Belogurov S.G. Biare D. Chudoba V. Fomichev A.S. Gazeeva E.M. Golovkov M.S. Gorshkov A.V. Grigorenko L.V. Kaminski G. Khirk M. Kiselev O. Kostyleva D.A. Mauyey B. Mukha I. Parfenova Y.L. Quynh A.M. Sidorchuk S.I. Sharov P.G. Shulgina N.B. Slepnev R.S. Stepantsov S.V. Swiercz A. Ter-Akopian G.M.
December 2023Pleiades Publishing
Physics of Atomic Nuclei
2023#86Issue 6923 - 930 pp.
Abstract: The proton and deuteron pickup reactions and were studied with the radioactive beam produced by the new fragment separator ACCULINNA-2 at FLNR, JINR. These measurements were initially motivated as the test reactions intended for the elucidation of results obtained in the study of the extremely neutron-rich H and H systems created in the and reactions with the use of the same setup. In the reaction the Li ground-state () and its first excited state (2.69 MeV,) were identified in the low-energy region of its excitation spectrum. The differential cross sections for the population were extracted at the forward center-of-mass angles () and compared with the FRESCO calculations. Spectroscopic factor of, derived by a model suggesting the clustering was found in accord with the experimental data. The energy spectrum of Li populated in the reaction shows the strong peak which corresponds to the excitation of the second excited state of Li (2.25 MeV,). The fact that the ground and the first excited states of Li were not observed in this reaction is consistent with the shell-model structure of the nuclei involved.
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National Research Centre ‘‘Kurchatov Institute’’, Moscow, 123098, Russian Federation
JINR, Flerov Laboratory of Nuclear Reactions, Moscow oblast, Dubna, 141980, Russian Federation
Institute of Physics in Opava Silesian University in Opava, Opava, 746 01, Czech Republic
Sino-French Institute of Nuclear Engineering and Technology (IFCEN), Sun Yat-sen University, Zhuhai, 510006, China
National Research Nuclear University ‘‘MEPhI’’, Moscow, 115409, Russian Federation
Dubna State University, Moscow oblast, Dubna, 141982, Russian Federation
Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russian Federation
GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, 64291, Germany
Physikalisches Institut, Justus-Liebig-Universität, Giessen, 35392, Germany
Gumilyov Eurasian National University, Astana, 010000, Kazakhstan
Nuclear Research Institute, Dalat, 955736, Viet Nam
Voronezh State University, Voronezh, 394018, Russian Federation
Bogoliubov Laboratory of Theoretical Physics, JINR, Moscow oblast, Dubna, 141980, Russian Federation
National Research Centre ‘‘Kurchatov Institute’’
JINR
Institute of Physics in Opava Silesian University in Opava
Sino-French Institute of Nuclear Engineering and Technology (IFCEN)
National Research Nuclear University ‘‘MEPhI’’
Dubna State University
Skobeltsyn Institute of Nuclear Physics
GSI Helmholtzzentrum für Schwerionenforschung GmbH
Physikalisches Institut
Gumilyov Eurasian National University
Nuclear Research Institute
Voronezh State University
Bogoliubov Laboratory of Theoretical Physics
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