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Prompt neutron emission in 250No spontaneous fission associated with ground and isomeric state decays

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,  Yu.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. 
URI: http://repository.enu.kz/handle/enu/30923
Дата: 2024

Аннотации:

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.

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