Properties of Radioactive Decay of the New Nucleus 227Pu
Kuznetsova A.A. Svirikhin A.I. Isaev A.V. Bychkov M.A. Danilkin V.D. Devaraja H.M. Zamyatin N.I. Izosimov I.N. Liu Z. Malyshev O.N. Mukhin R.S. Popeko A.G. Popov Y.A. Rachkov V.A. Sailaubekov B. Sokol E.A. Tezekbaeva M.S. Ulanova I.I. Zhang F. Chepigin V.I. Chelnokov M.L. Yeremin A.V.
April 2025Pleiades Publishing
Physics of Particles and Nuclei Letters
2025#22Issue 2406 - 412 pp.
Abstract: A new isotope 227Pu was discovered by complete fusion reactions 26Mg + 204Pb and 26Mg + 206Pb. The experiment was carried out at the GRAND separator of the SHE Factory at Flerov Laboratory of Nuclear Reactions, JINR. For the nucleus 227Pu, an α-particle energy of Eα = 8156 ± 26 keV and a half-life of Т1/2 = s were measured. A single event with Eα = 8754 ± 24 keV and an estimated lower limit half-life of 1 ms from the measured lifetime, which is probably attributed to the new isotope 226Pu, was identified by chain with 222U.
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Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Dubna University, Dubna, 141982, Russian Federation
National Research Nuclear University MEPHI, Moscow, 115409, Russian Federation
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
University of Chinese Academy of Sciences, Beijing, 100049, China
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
L.N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing, 100875, China
Institute of Radiation Technology, Beijing Academy of Science and Technology, Beijing, 100875, China
Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou, 730000, China
Joint Institute for Nuclear Research
Dubna University
National Research Nuclear University MEPHI
Institute of Modern Physics
University of Chinese Academy of Sciences
Institute of Nuclear Physics
L.N. Gumilyov Eurasian National University
Key Laboratory of Beam Technology of Ministry of Education
Institute of Radiation Technology
Center of Theoretical Nuclear Physics
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