Prompt neutron emission in 250No spontaneous fission associated with ground and isomeric state decays
Mukhin R.S. Isaev A.V. Andreev A.V. Chelnokov M.L. Chepigin V.I. Devaraja H.M. Izosimov I.N. Kuznetsova A.A. Malyshev O.N. Popeko A.G. Popov Y.A. Rahmatinejad A. Sailaubekov B. Shneidman T.M. Sokol E.A. Svirikhin A.I. Tezekbayeva M.S. Bychkov M.A. Yeremin A.V. Dorvaux O. Gall B. Kessaci K. Hauschild K. Lopez-Martens A.
June 2024Institute of Physics
Chinese Physics C
2024#48Issue 6
The complete-fusion reaction 204Pb(48Ca,2n)250No was used to study two activities of 250No with distinct half-lives. A total of 1357 events were observed in the SFiNx neutron detection system. The average number of neutrons emitted per spontaneous fission of 250No was determined to be . The unusually symmetrical shape of the prompt neutron multiplicity distribution was restored and presented for the first time. Statistical tests were performed to compare the prompt neutron multiplicity distributions associated with the ground state and K-isomer state decays.
actinide , prompt neutrons , spontaneous fission
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Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Dubna State University, Dubna, 141982, Russian Federation
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
L.N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
Kazan Federal University, Kazan, 420008, Russian Federation
Université de Strasbourg, CNRS, Strasbourg, 67000, France
IJCLab, IN2P3-CNRS, Université Paris-Saclay, Orsay, 91400, France
Joint Institute for Nuclear Research
Dubna State University
Institute of Nuclear Physics
L.N. Gumilyov Eurasian National University
Kazan Federal University
Université de Strasbourg
IJCLab
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