Phys.Rev. C 87, 024308 (2013)

A.Zdeb, M.Warda, K.Pomorski

Half-lives for α and cluster radioactivity within a Gamow-like model

RADIOACTIVITY ^{188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,206,208,209,210,211,212,213,214,215,216,217,218}Po, ^{193,194,195,196,197,198,199,200,201,202,203,204,205,207,209,211,212,213,214,215,216,217,218,219,220}At, ^{195,196,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222}Rn, ^{200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221}Fr, ^{202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,226}Ra, ^{206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225}Ac, ^{209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,232}Th, ^{212,213,214,215,216,217,218,219,220,221,223,224,225,226,227,231}Pa, ^{217,218,219,223,225,226,227,228,229,230,232,233,234,235,236,238}U, ^{226,227,229,230,231,237}Np, ^{229,230,232,234,236,237,238,239,240,242,244}Pu, ^241,243Am, ^{234,238,240,242,243,244,245,246,247,248}Cm, ²⁴⁷Bk, ^{240,242,243,244,245,246,248,249,250,251,252}Cf, ^{243,245,247,252,253,254}Es, ^{243,246,247,248,250,251,252,253,254,255,256,257}Fm, ^{246,248,249,255,256,257,258}Md, ^{252,253,254,255,256,257,259}No, ^{253,255,257,258}Lr, ^{255,257,259,261}Rf, ^{257,259,260,262}Db, ^260,265Sg, ^261,262Bh, ^265,266Hs, ²⁶⁶Mt, ^{269,270,271,273,281}Ds(α); ²²¹Fr, ^{221,222,223,224,226}Ra, ^223,225Ac(¹⁴C); ²²³Ac(¹⁵N), ²²⁶Th(¹⁸O); ²²⁸Th(²⁰O); ²³⁰U(²²Ne); ²³¹Pa(²³F); ^230,232Th, ²³¹Pa, ^{232,233,234,235,236}U(²⁴Ne); ^233,235U(²⁵Ne); ²³²Th, ^234,236U(²⁶Ne); ^233,234,236U, ^236,238Pu(²⁸Mg); ²³⁶U, ²³⁷Np, ²³⁸Pu(³⁰Mg); ²³⁸Pu(³²Si); ²⁴⁰Pu, ²⁴¹Am, ²⁴²Cm(³⁴Si); calculated T_1/2 for α decay and cluster emissions. Phenomenological model based on Gamow theory with WKB approximation for the penetration of Coulomb barrier. Comparison with experimental values of half-lives.

doi: 10.1103/PhysRevC.87.024308