Phys.Rev. C 110, 014326 (2024)

H.Huang, H.Y.Wu, C.Y.Guo, W.Q.Zhang, Q.B.Zeng, D.X.Wang, Z.Liu, Z.H.Li, A.N.Andreyev, S.Antalic, B.Andel, A.Sitarcik, H.Hua, X.H.Yu, Z.X.Zhou, X.Wang, H.Y.Lu, Z.G.Gan, Z.Y.Zhang, L.Ma, M.H.Huang, H.B.Yang, M.M.Zhang, X.J.Wen, G.S.Li, F.F.Zeng, X.X.Xu, J.J.Liu, H.Jian, H.F.Zhu, Q.R.Gao, Z.Qin, J.R.Wang, Z.M.Jia, S.W.Cao, P.F.Zhai, Y.J.Li, X.H.Zhou, F.S.Zhang

Attempt to synthesize the proton-unbound ^{182, 183}Bi isotopes

NUCLEAR REACTIONS ¹⁰⁷Ag(⁷⁸Kr, pα)¹⁸⁰Hg, (⁷⁸Kr, npα)¹⁷⁹Hg, (⁷⁸Kr, np)¹⁸³Pb, (⁷⁸Kr, 2np)¹⁸²Pb, E=338, 342 MeV; measured evaporation residues (ER), Eα, Iα, (ER)α-coin; deduced evaporation residues σ(E). Gas-filled recoil separator SHANS (Spectrometer for Heavy Atoms and Nuclear Structure) combined with 2 multiwire proportional counters (MWPCs) and double-sided silicon strip detector (DSSD) used for implantation at Sector-Focusing Cyclotron (SFC) of the Heavy Ion Research Facility in Lanzhou (HIRFL).

RADIOACTIVITY ¹⁸⁰Hg(α)[from ¹⁰⁷Ag(⁷⁸Kr, pα), E=338, 342 MeV];¹⁸²Hg(α)[from ¹⁰⁷Ag(⁷⁸Kr, 3p), E=338, 342 MeV];¹⁷⁹Hg(α)[from ¹⁰⁷Ag(⁷⁸Kr, npα), E=338, 342 MeV];¹⁷⁸Hg(α)[from ¹⁸²Pb(α)];¹⁸³Pb(α)[from ¹⁰⁷Ag(⁷⁸Kr, np), E=338, 342 MeV];¹⁸²Pb(α)[from ¹⁰⁷Ag(⁷⁸Kr, 2np), E=338, 342 MeV];¹⁷⁸Pt[from ¹⁸²Hg(α)];¹⁷⁶Pt[from ¹⁸⁰Hg(α)];¹⁷⁵Pt[from ¹⁷⁹Hg(α)]; measured Eα, Iα; deduced T_1/2. ^182,183Bi(α); deduced lower limit for T_1/2 based on the fact that no clear signatures of these isotopes decay were detected in this experiment.

doi: 10.1103/PhysRevC.110.014326