Phys.Rev. C 108, 024611 (2023)

Yu.Ts.Oganessian, V.K.Utyonkov, M.V.Shumeiko, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, N.S.Bublikova, M.G.Voronyuk, A.V.Sabelnikov, A.Yu.Bodrov, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang

New isotope ²⁷⁶Ds and its decay products ²⁷²Hs and ²⁶⁸Sg from the ²³²Th+⁴⁸Ca reaction

NUCLEAR REACTIONS ²³²Th(⁴⁸Ca, 3n)²⁷⁷Ds, ²³²Th(⁴⁸Ca, 4n)²⁷⁶Ds, E=231, 1, 237.8, 250.6 MeV; measured reaction products, Eα, Iα, fission fragments; deduced production σ(E). Systematics of production cross-sections with ⁴⁸Ca beam on ^242,244Pu, ²³⁸U, ²³²Th, ²²⁶Ra, ^245,248Cm, ²⁴⁹Bk targets. Gas filled separator DGFRS-2 at the new cyclotron DC280 (SHE Factory, JINR).

RADIOACTIVITY ²⁶⁸Sg(SF)[from ²³²Th(⁴⁸Ca, X), E=231, 1, 237.8, 250.6 MeV]; ²⁷²Hs(α)[from ²³²Th(⁴⁸Ca, X), E=231, 1, 237.8, 250.6 MeV]; ²⁷⁶Ds(α), (SF)[from ²³²Th(⁴⁸Ca, X), E=231, 1, 237.8, 250.6 MeV]; measured Eα, Iα, fission fragments; deduced T_1/2, α-decay and SF decay branching and partial T_1/2 for ²⁷⁶Ds, Q value for α-decay. Systematics of partial T_1/2 for Hs, Ds, Cn, Fl, Lv and Og isotopes.

doi: 10.1103/PhysRevC.108.024611