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Decay properties of new isotopes $$^{234}$$Bk and $$^{230}$$Am, and even-even nuclides $$^{234}$$Cm and $$^{230}$$Pu

Kaji, Daiya*; Morimoto, Koji*; Haba, Hiromitsu*; Ideguchi, Eiji*; Koura, Hiroyuki  ; Morita, Kosuke*

A neutron deficient berkelium isotope of $$^{234}$$Bk produced via the $$^{197}$$Au($$^{40}$$Ar, 3n) reaction and the daughter product of $$^{230}$$Am were newly identified. Alpha-decay energies of eleven $$^{234}$$Bk were found in 7.62 - 7.96 MeV, and six fission events correlated with $$alpha$$-decay of $$^{234}$$Bk were observed. The half-lives of $$^{234}$$Bk and $$^{230}$$Am were determined to be 19$$^{+6}_{-4}$$ s and 32$$^{+22}_{-9}$$ s, respectively. The $$^{234}$$Cm followed by $$beta$$-decay of $$^{234}$$Bk was also identified.



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Category:Physics, Multidisciplinary



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