References quoted in the ENSDF dataset: 254RF ADOPTED LEVELS, GAMMAS

79 references found.

Clicking on a keynumber will list datasets that reference the given article.

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1975OG01

Nucl.Phys. A239, 157 (1975)

Y.T.Oganessian, A.G.Demin, A.S.Iljinov, S.P.Tretyakova, A.A.Pleve, Y.E.Penionzhkevich, M.P.Ivanov, Y.P.Tretyakov

Experiments on the Synthesis of Neutron-Deficient Kurchatovium Isotopes in Reactions Induced by ⁵⁰Ti Ions

RADIOACTIVITY ^255,256Rf; measured T_1/2. ²⁵⁴Rf; measured upper limit T_1/2.

NUCLEAR REACTIONS ^206,207,208Pb(⁵⁰Ti, X), E=260 MeV; ²⁰⁶Pb(⁴⁰Ar, X), E=240 MeV; ^203,205Tl(⁴⁵Sc, X), E=240 MeV; measured formation cross section for spontaneously fissioning nuclei. Enriched targets.

doi: 10.1016/0375-9474(75)91140-9

1975TE01

Nucl.Phys. A255, 509 (1975)

G.M.Ter-Akopyan, A.S.Iljinov, Y.T.Oganessian, O.A.Orlova, G.S.Popeko, S.P.Tretyakova, V.I.Chepigin, B.V.Shilov, G.N.Flerov

Synthesis of the New Neutron-Deficient Isotopes ²⁵⁰102, ²⁴²Fm and ²⁵⁴Ku

RADIOACTIVITY, Fission ²⁵⁰No(SF) [from ²³³U(²²Ne, 5n)]; ²⁴²Fm(SF) [from ²⁰⁴Pb(⁴⁰Ar, 2n)]; ²⁵⁴Rf(SF) [from ²⁰⁶Pb(⁵⁰Ti, 2n)]; measured T_1/2, Γn/Γ(fission).

doi: 10.1016/0375-9474(75)90696-X

1978PO09

Nukleonika 23, 125 (1978)

K.Pomorski

Spontaneous Fission Half Lives for Odd A Nuclei with Z ≥ 96

RADIOACTIVITY ²⁴³Md, ²⁴²Fm, ²⁵⁹Rf(SF); calculated fission barriers, effective mass parameters. ²⁵⁹Rf, ²⁶¹Db(SF), ^{240,242,244,246,248,250,252,241,243,245,247,249,251,253}Cm, ^{243,245,247,249,251,253,255}Bk, ^{244,245,246,247,248,249,250,251,252,253,254,255}Cf, ^{242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258}Fm, ^{248,249,250,251,252,253,254,255,256,257,258,259,260}No, ^{251,253,255,257,259,261}Lr, ²⁵⁰Rf, ²⁵¹Rf, ²⁵²Rf, ²⁵³Rf, ²⁵⁴Rf, ²⁵⁵Rf, ²⁵⁶Rf, ²⁵⁷Rf, ²⁵⁸Rf, ²⁶⁰Rf, ²⁶¹Rf, ²⁶²Rf, ²⁵⁶Sg, ²⁵⁷Sg, ²⁵⁸Sg, ²⁵⁹Sg, ²⁶⁰Sg, ²⁶¹Sg, ²⁶²Rf, ²⁶³Sg, ²⁶⁴Sg, ²⁶⁰Hs, ²⁶¹Hs, ²⁶²Hs, ²⁶³Hs, ²⁶⁴Hs, ²⁶⁵Hs, ²⁶⁶Hs(SF); calculated T_1/2.

1983CW01

Nucl.Phys. A410, 254 (1983)

S.Cwiok, V.V.Pashkevich, J.Dudek, W.Nazarewicz

Fission Barriers of Transfermium Elements

NUCLEAR STRUCTURE ^{242,244,246,248,250,252,254,256,258}Fm, ^{250,252,254,256,258,260,262,264,266}No, ²⁵⁴Rf, ²⁵⁶Rf, ²⁵⁸Rf, ²⁶⁰Rf, ²⁶²Rf, ²⁶⁴Rf; calculated fission barriers; deduced possible nuclear isomers, fission barrier separation. Strutinsky method.

doi: 10.1016/0375-9474(83)90201-4

1985LO17

Z.Phys. A322, 695 (1985)

Z.Lojewski, A.Baran

Spontaneous Fission Half-Times of Double-Odd Nuclei (Z ≥ 97)

NUCLEAR STRUCTURE ^{239,241,243,245,247}Am, ^{241,243,245,247,249,251}Cm, ^{243,245,247,249,251}Bk, ^{245,247,249,251,253}Cf, ^{249,251,253,255}Es, ^{249,251,253,255,257}Fm, ^255,257,259Md, ^253,255,257No; calculated levels, SF-decay T_1/2. ²⁵⁰Rf, ²⁵²Rf, ²⁵⁴Rf, ²⁵⁶Rf, ²⁵⁸Rf, ²⁶⁰Rf, ²⁶²Rf, ²⁵¹Db, ²⁵²Db, ²⁵³Db, ²⁵⁴Db, ²⁵⁵Db, ²⁵⁶Db, ²⁵⁷Db, ²⁵⁸Db, ²⁵⁹Db, ²⁶⁰Db, ²⁶¹Db, ²⁶²Db, ²⁶³Db, ^{251,253,255,257,259,261}Lr, ²⁵⁶Sg, ²⁵⁷Sg, ²⁵⁸Sg, ²⁵⁹Sg, ²⁶⁰Sg, ²⁶¹Sg, ²⁶²Sg, ²⁶³Sg, ²⁶⁴Sg, ²⁶⁵Sg, ²⁶⁶Sg, ²⁵⁷Bh, ²⁵⁹Bh, ²⁶¹Bh, ²⁶²Bh, ²⁶³Bh, ²⁶⁵Bh, ²⁶⁷Bh, ²⁶⁸Bh, ²⁶¹Mt, ²⁶²Mt, ²⁶³Mt, ²⁶⁵Mt, ²⁶⁷Mt, ²⁶⁸Mt, ²⁶⁰Hs, ²⁶²Hs, ²⁶⁴Hs, ²⁶⁶Hs, ²⁶⁸Hs, ²⁷⁰Hs, ^{246,248,250,252,254,256,258}Fm, ^{247,248,249,250,251,252,253,254,255,256,257,258,259}Md; calculated SF-decay T_1/2; deduced Nilsson parameters, hindrance factors.

1989ST20

Nucl.Phys. A504, 589 (1989)

A.Staszczak, S.Pilat, K.Pomorski

Influence of the Pairing Vibrations on Spontaneous Fission Probability

NUCLEAR STRUCTURE ²⁵⁰Fm; calculated SF-fission paths, barriers. ^{236,238,240,242,244,246,248,250,252,254}Cm, ^{242,244,246,248,250,252,254,256,258}Cf, ^{240,242,244,246,248,250,252,254,256,258,260}Fm, ^{248,250,252,254,256,258,260,262}No, ²⁵⁰Rf, ²⁵²Rf, ²⁵⁴Rf, ²⁵⁶Rf, ²⁵⁸Rf, ²⁶⁰Rf, ²⁶²Rf, ²⁶⁴Rf, ²⁵⁶Sg, ²⁵⁸Sg, ²⁶⁰Sg, ²⁶²Sg, ²⁶⁴Sg, ²⁶⁶Sg; calculated SF-decay T_1/2. Generator coordinate method, Nilsson basis, pairing forces.

doi: 10.1016/0375-9474(89)90559-9

1992BH03

Phys.Rev. C45, 2803 (1992)

B.S.Bhandari, Y.B.Bendardaf

Systematics of the Deduced Fission Barriers for the Doubly Even Transactinium Nuclei

NUCLEAR STRUCTURE ^{236,238,240,242,244}Pu, ^{240,242,244,246,248,250}Cm; calculated isomer energies, T_1/2, SF-decay T_1/2, outer barrier heights. ^230,232Th, ^{230,232,234,236,238}U, ^{246,248,250,252,254,256}Cf, ^{242,244,246,248,250,252,254,256,258}Fm, ^{250,252,254,256,258,260,262}No, ²⁵⁰Rf, ²⁵²Rf, ²⁵⁴Rf, ²⁵⁶Rf, ²⁵⁸Rf, ²⁶⁰Rf; calculated SF-decay T_1/2, outer barrier height. Double humped fission barrier model. Other nuclei, other aspects discussed.

doi: 10.1103/PhysRevC.45.2803

1997HE29

Z.Phys. A359, 415 (1997)

F.P.Hessberger, S.Hofmann, V.Ninov, P.Armbruster, H.Folger, G.Munzenberg, H.J.Schott, A.G.Popeko, A.V.Yeremin, A.N.Andreyev, S.Saro

Spontaneous Fission and Alpha-Decay Properties of Neutron Deficient Isotopes ^257-253104 and ²⁵⁸106

RADIOACTIVITY ^253,254Rf, ²⁵⁸Sg(SF), ^255,256,257Rf(α) [from ^204,206,208Pb(⁵⁰Ti, xn), E=4.8-5.1 MeV/nucleon; ²⁰⁹Bi(⁵¹V, X), E=4.77-4.99 MeV/nucleon]; measured Eα, T_1/2. ²⁵⁷Rf, ²⁵³No deduced levels.

NUCLEAR REACTIONS ^204,206,208Pb(⁵⁰Ti, xn), E=4.8-5.1 MeV/nucleon; ²⁰⁹Bi(⁵¹V, X), E=4.77-4.99 MeV/nucleon; measured Eα, Iα, residuals fission fragments; deduced evidence for ²⁵⁸Sg, ^253,254Rf.

doi: 10.1007/s002180050422

1997MO25

At.Data Nucl.Data Tables 66, 131 (1997)

P.Moller, J.R.Nix, K.-L.Kratz

Nuclear Properties for Astrophysical and Radioactive-Ion-Beam Applications

NUCLEAR STRUCTURE Z=8-136; A=16-339; calculated, compiled total binding energy, one-, two-neutron, proton separation energies, pairing gaps, odd-nucleon parity, spin projection. Folded-Yukawa single particle potential, Lipkin-Nogami approximation.

RADIOACTIVITY Z=8-136; A=16-339; calculated, compiled β-, α-decay Q, T_1/2. Folded-Yukawa single particle potential, Lipkin-Nogami approximation.

doi: 10.1006/adnd.1997.0746

1997PO18

Bull.Rus.Acad.Sci.Phys. 61, 606 (1997)

I.V.Poplavsky

Semiempirical Formulas for Halflives of α-Active Heavy Even-Even Nuclei

RADIOACTIVITY ^234,236,238Th, ^240,242U, ^{228,230,246,248,250}Pu, ^{234,236,252,254,256}Cm, ^{238,256,258,260}Cf, ^{242,244,258,260,262,264}Fm, ^{248,250,258,260,262,264,266}No, ^{252,254,256,258,260,262,264,266,268,270,272}Rf, ^{256,258,260,262,264,266,268,270,272,274,276}Sg, ^{262,264,268,270,272,274,276}Hs(α); calculated T_1/2. Semi-empirical formula.

1999HE11

J.Phys.(London) G25, 877 (1999)

F.P.Hessberger

GSI Experiments in the Region of Heaviest Elements

NUCLEAR REACTIONS ²⁰⁹Bi(⁵⁰Ti, X), E=4.6-5.1 MeV/nucleon; measured isotopic yields; deduced evidence for ²⁵⁶Db, ²⁵³Lr.

RADIOACTIVITY ^256,257,258Db, ^252,253Lr(α) [from ²⁰⁹Bi(⁵⁰Ti, X)]; ²⁶⁵Hs, ²⁶⁶Mt(α) [from ²⁰⁸Pb, ²⁰⁹Bi(⁵⁸Fe, n)]; measured Eα, T_1/2. ²⁶⁵Hs, ²⁶⁶Mt deduced levels. ^253,254Rf, ²⁵⁸Sg(SF); measured T_1/2. ²⁵⁷Rf, ²⁵⁷Db, ²⁶¹Sg, ²⁶⁵Hs deduced fission branching upper limits.

doi: 10.1088/0954-3899/25/4/059

2001MU06

Phys.Lett. 500B, 241 (2001)

I.Muntian, Z.Patyk, A.Sobiczewski

Are Superheavy Nuclei Around ²⁷⁰Hs Really Deformed ?

NUCLEAR STRUCTURE Z=94-114; A=240-282; calculated ground-state deformation. ^{252,254,256,258,260,262,264,266,268,270}Rf, ^{256,258,260,262,264,266,268,270,272,274}Sg, ^{262,264,266,268,270,272,274,276,278}Hs; calculated 2⁺ state level energies, Qα, α-decay branching ratios. Macroscopic-microscopic approach.

doi: 10.1016/S0370-2693(01)00090-9

2001MU10

Acta Phys.Pol. B32, 629 (2001)

I.Muntian, A.Sobiczewski

Collective Properties of ' Deformed ' Superheavy Nuclei

NUCLEAR STRUCTURE ^{248,250,252,254,256,258,260,262,264,266}No, ^{252,254,256,258,260,262,264,266,268,270}Rf, ^{256,258,260,262,264,266,268,270,272,274}Sg, ^{262,264,266,268,270,272,274,276,278}Hs, ^{266,268,270,272,274,276,278}Ds, ^{270,272,274,276,278}Cn; calculated 2⁺ state energies, deformations, Qα, α-decay branching ratios.

2003BE41

Nucl.Phys. A723, 354 (2003)

M.Bender, P.Bonche, T.Duguet, P.-H.Heenen

Skyrme mean-field study of rotational bands in transfermium isotopes

NUCLEAR STRUCTURE ²⁵⁴No; calculated single-particle energies. ²⁴⁹Bk, ²⁵¹Cf, ²⁵¹Md, ^253,255No, ²⁵⁵Lr; calculated levels, J, π. ^240,244Pu, ^250,252Fm, ²⁵¹Md, ^{252,253,254,255}No, ²⁵⁵Lr, ^254,256Rf; calculated rotational band moments of inertia. Self-consistent mean-field approach, comparisons with data.

doi: 10.1016/S0375-9474(03)01081-9

2004GM02

Acta Phys.Hung.N.S. 19, 155 (2004)

S.Gmuca

Superheavy Nuclei in the RMF Framework

NUCLEAR STRUCTURE ^{244,246,248,250,252,254}Fm, ^{250,252,254,256,258,260,262}No, ^{254,256,258,260,262,264}Rf, ^{258,260,262,264,266}Sg, ^264,266,268Hs; calculated relative binding energies. ^{248,250,252,254,256,258,260,262,264,266,268}No, ^{252,254,256,258,260,262,264,266,268,270}Rf, ^{256,258,260,262,264,266,268,270,272,274}Sg, ^{262,264,266,268,270,272,274,276,278,280}Hs; calculated Qα. Relativistic mean-field approach.

doi: 10.1556/APH.19.2004.1-2.24

2004RO01

Ann.Nucl.Energy 31, 323 (2004)

Y.Ronen

Indications of the validity of the liquid drop model for spontaneous fission half-lives

RADIOACTIVITY ^230,232Th, ²³¹Pa, ^{232,233,234,235,236,238}U, ²³⁷Np, ^{236,238,239,240,241,242,244}Pu, ^241,243Am, ^{240,242,243,244,245,246,248,250}Cm, ^{246,248,249,250,252,254,256}Cf, ^253,254,255Es, ^{246,248,250,252,254,255,256,257,258,259}Fm, ²⁵⁹Md, ^{250,252,256,258}No, ^{253,254,255,256,257,258,259,260,262}Rf, ^{255,256,257,261,262}Db, ^259,260,263Sg, ²⁶¹Bh(SF); analyzed spontaneous fission T_1/2 relative to liquid drop model predictions.

doi: 10.1016/S0306-4549(03)00221-4

2005PE04

Phys.Rev. C 71, 034302 (2005)

J.C.Pei, F.R.Xu, P.D.Stevenson

Density distributions of superheavy nuclei

NUCLEAR STRUCTURE ^254,256,258Rf, ^258,260,266Sg, ^264,266,270Hs, ²⁷⁰Ds, ²⁸⁴Cn, ^288,298Fl, ²⁹²Lv; calculated deformation parameters, radii, Qα. ²⁰⁸Pb, ^270,280,290Ds, ^{286,292,298,304,310}Fl, ²⁹²120; calculated particle density distributions. Skyrme-Hartree-Fock model.

doi: 10.1103/PhysRevC.71.034302

2006SH19

Phys.Rev. C 74, 034316 (2006)

T.M.Shneidman, G.G.Adamian, N.V.Antonenko, R.V.Jolos

Possible alternative parity bands in the heaviest nuclei

NUCLEAR STRUCTURE ^239,240U, ^{241,242,243,244,245}Pu, ^{243,244,245,246,247,248}Cm, ^{245,246,247,248,249,250}Cf, ^{247,248,249,250,251,252}Fm, ^{249,250,251,252,253,254}No, ^{253,254,255,256}Rf, ²⁵⁸Sg; calculated levels, J, π, rotational bands, transition dipole and quadrupole moments. Cluster model.

doi: 10.1103/PhysRevC.74.034316

2006ST04

Int.J.Mod.Phys. E15, 302 (2006)

A.Staszczak, J.Dobaczewski, W.Nazarewicz

Fission barriers of superheavy nuclei in the Skyrme-Hartree-Fock Model

NUCLEAR STRUCTURE ^{242,244,246,248,250,252,254,256,258,260,262,264}Fm, ^{250,252,254,256,258,260,262,264}No, ^{254,256,258,260,262,264,288}Rf, ^{258,260,262,264,266,268,290}Sg, ^{262,264,266,268,270,272,292}Hs, ^{268,270,272,274,276,278,294}Ds, ²⁹⁶Cn, ²⁹⁸Fl, ³⁰⁰Lv, ³⁰²Og, ³⁰⁴120, ³⁰⁶122, ³⁰⁸124, ³¹⁰126; calculated total binding energy vs quadrupole moment, fission barrier features. Skyrme-Hartree-Fock model.

doi: 10.1142/S0218301306004132

2007PE30

Phys.Rev. C 76, 044326 (2007)

J.C.Pei, F.R.Xu, Z.J.Lin, E.G.Zhao

α-decay calculations of heavy and superheavy nuclei using effective mean-field potentials

RADIOACTIVITY ^{166,168,170,172,174,176,178,180,182}Pt, ^{172,174,176,178,180,182,184,186,188}Hg, ^{178,180,182,184,186,188,190,192,194,210}Pb, ^{188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{196,198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{202,204,206,208,210,212,214,216,218,220,222,224,226}Ra, ^{210,212,214,216,218,220,222,224,226,228,230}Th, ^{218,220,222,224,226,228,230,232,234,236}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{238,240,242,244,246,248}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^252,254,256No, ^254,256,258Rf, ^258,260,262Sg, ^264,266,270Hs, ²⁷⁰Ds, ^286,288Fl, ²⁹²Lv, ²⁹⁴Og(α); calculated half-lives, deformation parameters, α-clustering spectroscopic factors, comparisons with experimental half-lives.

doi: 10.1103/PhysRevC.76.044326

2007ZH41

Phys.Rev. C 76, 047304 (2007)

H.F.Zhang, G.Royer

Theoretical and experimental α decay half-lives of the heaviest odd-Z elements and general predictions

RADIOACTIVITY ^{253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268}Rf, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Db, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271,272}Sg, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{263,264,265,266,267,268,269,270,271,272,273,274,275,276,277}Hs, ^{265,266,267,268,269,270,271,272,273,274,275,276,277,278,279}Mt, ^{267,268,269,270,271,272,273,274,275,276,277,278,279,280,281}Ds, ^{272,273,274,275,276,277,278,279,280,281,282,283}Rg, ^{277,278,279,280,281,282,283,284,285}Cn, ^{283,284,285,286,287}Nh, ^{285,286,287,288,289}Fl, ^{287,288,289,290,291}Mc, ^{289,290,291,292}Lv, ^291,292Ts, ²⁹³Og(α); calculated half-lives, Q(α), comparison with experimental values.

doi: 10.1103/PhysRevC.76.047304

2008DO12

Phys.Rev. C 77, 064310 (2008)

T.Dong, Z.Ren

Improved version of a binding energy formula for heavy and superheavy nuclei with Z≥ =90 and N ≥ =140

NUCLEAR STRUCTURE ^{231,232,233,234,235,236,237,238}Pa, ^{233,234,235,236,237,238,239,240,241,242}Np, ^{238,239,240,241,242,243,244,245,246}Am, ^{243,244,245,246,247,248,249,250,251}Bk, ^{251,252,253,254,255}Es; calculated binding energies. ^{241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260}Fm, ^{240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262}Md, ^{237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264}No, ^{246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265}Lr, ^{242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266}Rf, ^{252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267}Db, ^{248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267}Sg, ^{258,259,260,261,262,263,264,265,266,267}Bh, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Hs, ^{264,265,266,267,268,269,270,271}Mt, ^{260,261,262,263,264,265,266,267,268,269,270}Ds; calculated Q_α, half-life, single particle binding energies, separation energies.

doi: 10.1103/PhysRevC.77.064310

2008DR05

Phys.Rev. C 78, 024605 (2008)

I.Dragojevic, K.E.Gregorich, Ch.E.Dullmann, M.A.Garcia, J.M.Gates, S.L.Nelson, L.Stavsetra, R.Sudowe, H.Nitsche

Influence of projectile neutron number in the ²⁰⁸Pb(⁴⁸Ti, n)²⁵⁵Rf and ²⁰⁸Pb(⁵⁰Ti, n)²⁵⁷Rf reactions

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ti, n), (⁴⁸Ti, 2n), (⁵⁰Ti, n), (⁵⁰Ti, 2n), E=4.6-4.8 MeV/nucleon; measured excitation functions, σ.

RADIOACTIVITY ^{254,255,256,257}Rf(α); measured Eα, Iα, half-lives.

doi: 10.1103/PhysRevC.78.024605

2008RO06

Phys.Rev. C 77, 037602 (2008)

G.Royer, H.F.Zhang

Recent α decay half-lives and analytic expression predictions including superheavy nuclei

RADIOACTIVITY ¹⁰⁵Te, ¹⁵⁶Er, ¹⁵⁸Yb, ^160,174Hf, ^158,168W, ^162,164Os, ^166,168,170Pt, ^172,174,188Hg, ^{178,180,184,186,188,190,192,194}Pb, ^{188,189,190,192,210}Po, ^196,198Rn, ^202,204Ra, ^210,212Th, ^{218,220,224,226}U, ^228,230Pu, ²³⁸Cm, ²⁵⁸No, ^{253,254,255,256,257,258,259,260,262,263,264,265,267,268}Rf, ^{255,256,257,258,259,261,262,263,264,265,266,267,268,269,270}Db, ^{258,259,261,262,264,267,268,269,270,271,272}Sg, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{263,266,267,268,269,270,271,273,274,275,276,277}Hs, ^{265,266,267,268,269,270,271,272,273,274,275,276,277,278,279}Mt, ^{267,268,270,271,272,273,274,275,276,277,278,279,281}Ds, ^{273,274,275,276,277,278,279,280,281,282,283}Rg, ^{277,278,279,280,281,282,283,284,285}Cn, ^{282,283,284,285,286,287}Nh, ^{285,286,287,288,289}Fl, ^{287,288,289,290,291}Mc, ^{289,290,291,292,293}Lv, ^291,292Ts, ^293,294Og(α); calculated half-lives, Q_α using density dependent effective interaction and Viola-Seaborg-Sobiczewski formulas. Comparison with experimental data for known isotopes.

doi: 10.1103/PhysRevC.77.037602

2008XU06

Phys.Rev. C 78, 044329 (2008)

C.Xu, Z.Ren, Y.Guo

Competition between α decay and spontaneous fission for heavy and superheavy nuclei

RADIOACTIVITY ²³²Th, ^{230,232,234,236,238}U, ^{236,238,240,244}Pu, ^{240,242,244,246,248,250}Cm, ^{242,244,246,248,250,252,254,256}Cf, ^{246,248,250,252,254,256,258,260}Fm, ^{250,252,254,256,258,260,262,264}No, ^{254,256,258,260,262,264,266,268}Rf, ^{260,262,264,266,268,270,272}Sg, ^{264,266,268,270,272,274,276}Hs, ^{268,270,272,274,276,278,280}Ds(α), (SF); calculated half-lives, branching ratios. Comparison with experimental data. Density-dependent cluster model, parabolic potential approximation.

doi: 10.1103/PhysRevC.78.044329

2009DO22

Chin.Phys.C 33, Supplement 1, 5 (2009)

T.-K.Dong, Z.-Z.Ren, C.Xu

Research on some superheavy nuclei

RADIOACTIVITY ^{251,252,253,254,255,256,257}No, ^{253,254,255,256,257,258,259}Lr, ^{253,254,255,256,257,258,259}Rf, ^{256,257,258,259,260,261}Db, ^{258,259,260,261,262,263}Sg, ^260,261,262Bh, ^{264,265,266,267}Hs, ^{264,265,266,267}Mt(α); calculated α-decay energies, T_1/2. Local-binding energy and Viola-Seaborg formulas.

doi: 10.1088/1674-1137/33/S1/002

2010SA09

Nucl.Phys. A832, 220 (2010)

K.P.Santhosh, R.K.Biju, S.Sahadevan

Semi-empirical formula for spontaneous fission half life time

RADIOACTIVITY ²³²Th, ^{228,230,232,234,236,238}U, ^{232,234,236,238,240,242,244}Pu, ^{240,242,244,246,248,250}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256,258,260}Fm, ^{250,252,254,256,258,260,262,264,266}No, ^{254,256,258,260,262,264,266,268}Rf, ^{258,260,262,264,266,268,270,272}Sg, ^{264,266,268,270,272,274,276}Hs, ^{260,262,264,266,268,270,272,274,276,278,280,282,284}Ds, ^{264,266,268,270,272,274,276,278,280,282,284,286,288}Cn, ^{268,270,272,274,276,278,280,282,284,286,288,290,292}Fl, ^{272,274,276,278,280,282,284,286,288,290,292,294,296}Lv, ^{276,278,280,282,284,286,288,290,292,294,296,298,300}Og, ^{274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320}120, ^{276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316}122(α), (SF); calculated T_1/2 using a Coulomb and Proximity Potential model and semi-empirical formula. Discussed SHE survivability. Comparison with data and systematics.

doi: 10.1016/j.nuclphysa.2009.10.160

2011JO09

J.Phys.(London) G38, 115103 (2011)

R.V.Jolos, L.A.Malov, N.Yu.Shirikova, A.V.Sushkov

Structure of some low lying two-quasiparticle and collective states in nuclei with Z ∼ 100 considered in the quasiparticle phonon model

NUCLEAR STRUCTURE ^246,248Cm, ^250,252,254Fm, ^248,250,252Cf, ^252,254No, ^{254,256,258,260}Rf; calculated energies, J, π for collective states; deduced hexadecouple residual forces. Comparison with experimental data.

doi: 10.1088/0954-3899/38/11/115103

2012ER01

Phys.Rev. C 85, 025802 (2012)

J.Erler, K.Langanke, H.P.Loens, G.Martinez-Pinedo, P.-G.Reinhard

Fission properties for r-process nuclei

NUCLEAR STRUCTURE ^{250,252,254,256,258}No, ^{254,256,258,260}Rf, ^{258,260,262,264,266}Sg, ^264,266Hs, ²⁸⁴Cn, ²⁸⁸Fl; calculated half-lives and fission barriers with three different Skyrme parameterizations. Comparison with experimental data. Z=82-120, N=120-260; calculated fission barriers of even-even nuclei for four different Skyrme parameterizations and four theoretical mass models HFB-14, ETFSI, FRDM, and TF. Z=100-120, N=120-260; calculated fission half-lives for even-even nuclei using the Skyrme parameterizations, minimal lifetime plots for competing α decay and spontaneous fission. Comparison with experimental data. Z=84-120, N=120-260; calculated α-decay half-lives using the Q(α) values and the semi empirical Viola-Seaborg formula. Z=96-108, N=180-206; calculated difference of ground state energies and fission barriers between reflection symmetric and asymmetric configurations with the Skyrme parameterization, comparison of symmetric and asymmetric fission barriers and half-lives. ^286,294Rf; calculated PES for symmetric and asymmetric shapes with the Skyrme parameterization.

doi: 10.1103/PhysRevC.85.025802

2012JA15

Int.J.Mod.Phys. E21, 1250094 (2012)

E.Javadimanesh, H.Hassanabadi, A.A.Rajabi, H.Rahimov, S.Zarrinkamar

Half-lives with Yukawa proximity potential for alpha-decay process

RADIOACTIVITY ¹⁵⁵Lu, ¹⁵¹Dy, ¹⁵²Ho, ¹⁵⁴Tm, ¹⁵⁵Yb, ¹⁵⁶Lu, ¹⁵⁷Hf, ¹⁵⁸Ta, ¹⁵⁹W, ¹⁶⁰Re, ¹⁵⁴Ho, ¹⁵⁵Er, ¹⁵⁶Tm, ¹⁶⁰Ta, ¹⁶²Re, ¹⁷⁷Tl, ¹⁷⁹Tl, ¹⁸¹Tl, ¹⁹¹Pb, ^{188,192,193,195,199,201,205,207}Po, ^{196,197,198,199,200,201,202,203,204,205,207,208,209}At, ^201,207Rn, ^{200,204,205,206,207,208}Fr, ^{254,256,258,260,262,264,266,268}Rf, ^{258,260,262,264,266,268,270,272}Sg, ^{264,266,268,270,272,274,276}Hs, ^{268,270,272,274,276,278,280}Ds, ^{278,280,282,284}Cn, ^286,288Fl, ^290,292Lv(α); calculated T_1/2; deduced hindrance factor parameter as a ratio of theoretical to experimental T_1/2. Comparison with available data.

doi: 10.1142/S0218301312500942

2012JI07

Phys.Rev. C 85, 054303 (2012)

H.Jiang, G.J.Fu, B.Sun, M.Liu, N.Wang, M.Wang, Y.G.Ma, C.J.Lin, Y.M.Zhao, Y.H.Zhang, Z.Ren, A.Arima

Predictions of unknown masses and their applications

ATOMIC MASSES Z=1-184, N=1-184; analyzed masses for 1566 nuclei using extrapolation approach and shell correction term, S(n), S(2n), S(p), and S(2p); one-neutron and one-proton drip nuclei, R-process nucleosynthesis and astrophysical implications. Comparison with AME-2011 interim mass evaluation, and with Duflo-Zuker model. ⁸⁵Mo, ^87,88,89Tc, ¹²³Ag, ¹⁴⁰I, ²²²Po, ^226,227,228Rn, ^233,234Ra, ²³⁵Ac; compared predicted masses with measured values.

RADIOACTIVITY ^{248,249,250,251,252,253,254,255,256,257}No, ^{251,252,253,254,255,256,257,258,259}Lr, ^{253,254,255,256,257,258,259,260,261}Rf, ^{255,256,257,258,259,260,261,262}Db, ^{256,257,258,259,260,261,262,263}Sg(α); calculated Q(α), half-life. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.054303

2012JO05

Phys.Rev. C 86, 044320 (2012)

R.V.Jolos, N.Yi.Shirikova, A.V.Sushkov

Neutron number dependence of the energies of the γ-vibrational states in nuclei with Z ∼ 100 and the manifestation of pseudospin symmetry

NUCLEAR STRUCTURE ^246,248Cm, ^{248,250,252,254,256}Cf, ^{250,252,254,256,258}Fm, ^{252,254,256,258,260}No, ^{254,256,258,260,262}Rf; calculated level energies and configurations of 2+ γ-vibrational states using quasiparticle-phonon model. Splitting of pseudospin doublets. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.044320

2012LI31

Phys.Rev. C 86, 011301 (2012)

H.L.Liu, F.R.Xu, P.M.Walker

Understanding the different rotational behaviors of ²⁵²No and ²⁵⁴No

NUCLEAR STRUCTURE ^{250,252,254,256,258}Rf, ^{248,250,252,254,256}No, ^{246,248,250,252,254}Fm; calculated kinematic moments of inertia with and without high-order deformation parameters β₆, β₈. ^252,254No; calculated proton and neutron components of the calculated kinematic moments of inertia with and without β₆ and β₈ parameters, β₂, β₄, β₆, β₈ deformation parameters as a function of rotational frequency. Total Routhian surface calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.011301

2012NI13

Prog.Theor.Phys.(Kyoto), Suppl. 196, 445 (2012)

D.Ni, Z.Ren

Alpha-Decay Studies of Rf, Sg, and Hs Isotopes within the Multi-Channel Cluster Model

RADIOACTIVITY ^{252,254,256,258,260,262,264,266,268,270}Rf, ^{256,258,260,262,264,266,268,270,272,274}Sg, ^{260,262,264,266,268,270,272,274,276}Hs(α); calculated T_1/2, branching ratios. Multi-channel cluster model.

doi: 10.1143/PTPS.196.445

2013AF01

Phys.Rev. C 88, 014320 (2013)

A.V.Afanasjev, O.Abdurazakov

Pairing and rotational properties of actinides and superheavy nuclei in covariant density functional theory

NUCLEAR STRUCTURE ^{228,230,232,234,236,238,240}Th, ^{230,232,234,236,238,240}U, ^{234,236,238,240,242,244,246}Pu, ^{240,242,244,246,248,250}Cm, ^{244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^{248,250,252,254,256,258}No, ^{254,256,258,260,262}Rf, ^{258,260,262,266}Sg; calculated scaling factors, moments of inertia, β₂, neutron and proton three-point indicators, moment of inertia versus rotational frequency. ^242,244Pu, ²⁴⁸Cm; calculated kinematic moment of inertia for ground state bands. ²⁴⁴Cm; calculated neutron and proton single-particle energies. ²³⁷U, ^239,243Pu, ^235,237Np, ²⁴¹Am, ^247,249Cm, ²⁴⁹Cf, ²⁵¹Md, ²⁵³No, ^234,236U, ^238,240,242Pu, ^246,248Cm, ²⁴⁸Cf, ²⁵⁰Fm, ²⁵²No; calculated kinematic moment of inertia for one-quasiparticle bands in odd-A nuclei and ground-state bands in even-A nuclei. ^236,238U, ^236,239,240Pu, ²⁴²Am; calculated kinematic moment of inertia, and quadrupole moments of superdeformed (SD) rotational bands and SD fission isomers. N=144-176, Z=102, 104, 106, 108, 110; calculated moments of inertia and β₂ parameter for superheavy nuclides. Cranked relativistic Hartree-Bogoliubov theory and Lipkin-Nogami method (CRHB+LN) with NL1 and NL3* interaction parameters of covariant density functional theory (CFDT). Comparison with experimental data.

doi: 10.1103/PhysRevC.88.014320

2013XU04

Acta Phys.Pol. B44, 271 (2013)

F.R.Xu, H.L.Liu, Y.Shi, H.L.Wang, P.M.Walker, S.Frauendorf, J.C.Pei

New Studies on the Aspects of Nuclear Shapes

NUCLEAR STRUCTURE ¹⁵⁸Er, ^252,250Fm, ^254,252No, ^256,254Rf, ^66,68,70,72Ge; calculated moment of inertia, quadrupole deformation parameters, tilted crancking total Routhians.

doi: 10.5506/APhysPolB.44.271

2014AF04

Phys.Scr. 89, 054001 (2014)

A.V.Afanasjev

Microscopic description of rotation: from ground states to the extremes of ultra-high spin

NUCLEAR STRUCTURE ^{228,230,232,234,236,238}Th, ^{230,232,234,236,238,240,242}U, ^{234,236,238,240,242,244,246}Pu, ^{240,242,244,246,248,250}Cm, ^{244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^{248,250,252,254,256,258}No, ^{254,256,258,260,262}Rf, ^{258,260,262,264,266}Sg; calculated kinematic moments of inertia for gs rotational band. ¹⁵⁸Er; calculated dynamic moments of inertia for triaxial superdeformed rotational bands at ultra high spin. Covariant density functional theory. Compared with available data.

doi: 10.1088/0031-8949/89/5/054001

2014LI15

Phys.Rev. C 89, 044304 (2014)

H.L.Liu, P.M.Walker, F.R.Xu

Favored configurations for four-quasiparticle K isomerism in the heaviest nuclei

NUCLEAR STRUCTURE ^{246,248,250,252,254}Fm, ^{248,250,252,254,256}No, ^{250,252,254,256,258}Rf, ^{260,262,264,266,268}Hs, ^{262,264,266,268,270,272}Ds, ^{264,266,268,270,272,274}Cn; calculated level energies, Q(α) values, β₂, β₄ and β₆ for ground and two- and four-quasiparticle high-K isomers. Configuration-constrained potential energy surfaces (PES) calculations. Relevance to superheavy nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.044304

2014SH07

Phys.Rev. C 89, 034309 (2014)

Y.Shi, J.Dobaczewski, P.T.Greenlees

Rotational properties of nuclei around ²⁵⁴Np quality Skyrme energy density functional

NUCLEAR STRUCTURE ²⁴⁹Bk, ²⁵¹Cf, ^246,248,250Fm, ^252,254No, ²⁵⁶Rf; calculated levels, kinematic and dynamic moments of inertia for yrast bands as function of rotational frequency, pairing gaps extracted from odd-even mass staggering, single-particle energies as function of quadrupole moment. ^{246,248,250,252,254,256}Fm, ^{248,250,252,254,256,258}No, ^{250,252,254,256,258,260}Rf; calculated kinematic moment of inertia, Self-consistent Skyrme Hartree-Fock Bogolyubov with UNEDF1 functional, and Lipkin-Nogami methods. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034309

2014SI17

Rom.J.Phys. 59, 724 (2014)

I.Silisteanu, C.I.Anghel

Competition between Alpha-Decay and Spontaneous Fission in Rf, Db, and Sg Isotopes

RADIOACTIVITY ^{253,254,255,256,257,258,259,260,261,262,263,264,265,266,267}Rf, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271}Db, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,274}Sg(α), (SF); calculated T_1/2 for α-decay and spontaneous fission.

2014WA25

Chin.Phys.C 38, 074101 (2014)

H.-L.Wang, Q.-Z.Chai, J.-G.Jiang, M.-L.Liu

Rotational properties in even-even superheavy ^254-258Rf nuclei based on total-Routhian-surface calculations

NUCLEAR STRUCTURE ^254,256,258Rf; calculated single-particle levels, deformation parameters, moment of inertia, band crossing using total Routhian surface method. Comparison with experimental data.

doi: 10.1088/1674-1137/38/7/074101

2015AG09

Phys.Rev. C 92, 054310 (2015)

S.E.Agbemava, A.V.Afanasjev, T.Nakatsukasa, P.Ring

Covariant density functional theory: Reexamining the structure of superheavy nuclei

NUCLEAR STRUCTURE ^{236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292}Cm, ^{238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294}Cf, ^{240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296}Fm, ^{242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298}No, ^{246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300}Rf, ^{250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302}Sg, ^{258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304}Hs, ^{264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306}Ds, ^{270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308}Cn, ^{276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310}Fl, ^{282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312}Lv, ^{290,292,294,296,298,300,302,304,306,308,310,312,314}Og, ^{292,294,296,298,300,302,304,306,308,310,312,314,316}120, ^{298,300,302,304,306,308,310,312,314,316,318}122, ^{304,306,308,310,312,314,316,318,320}124, ^{312,314,316,318,320,322}126, ^{318,320,322,324}128, ^324,326130; calculated binding energies, proton and neutron quadrupole deformations, charge radii, root-mean square (rms) proton radii, neutron skin thicknesses, S(2n), S(2p), Q(α) and T_1/2(α) using Viola-Seaborg formula. ^292,304120; calculated neutron and proton single-particle states, shell gaps. Relativistic Hartree-Bogoliubov theory with DD-PC1 and PC-PK1 interactions, and five most up-to-date covariant energy density functionals of different types.

doi: 10.1103/PhysRevC.92.054310

2015CA19

Nucl.Phys. A942, 97 (2015)

N.Carjan, F.A.Ivanyuk, Yu.Oganessian, G.Ter-Akopian

Fission of transactinide elements described in terms of generalized Cassinian ovals: Fragment mass and total kinetic energy distributions

NUCLEAR STRUCTURE ^254,264Fm, ^254,264Rf; calculated potential energy surface vs mass asymmetry and elongation, scission shapes at fission. ^{246,248,250,252,254,256,258,260,262,264}Fm, ^{254,256,258,260,262,264,266,268}Rf; calculated mass distribution and total kinetic energy distribution. ^{252,254,256,258,260,262,264}No, ^{258,260,262,264,266,268}Sg; calculated mass distribution. Generalized Cassinian ovals.

doi: 10.1016/j.nuclphysa.2015.07.019

2015DA12

Phys.Rev.Lett. 115, 132502 (2015)

H.M.David, J.Chen, D.Seweryniak, F.G.Kondev, J.M.Gates, K.E.Gregorich, I.Ahmad, M.Albers, M.Alcorta, B.B.Back, B.Baartman, P.F.Bertone, L.A.Bernstein, C.M.Campbell, M.P.Carpenter, C.J.Chiara, R.M.Clark, M.Cromaz, D.T.Doherty, G.D.Dracoulis, N.E.Esker, P.Fallon, O.R.Gothe, J.P.Greene, P.T.Greenlees, D.J.Hartley, K.Hauschild, C.R.Hoffman, S.S.Hota, R.V.F.Janssens, T.L.Khoo, J.Konki, J.T.Kwarsick, T.Lauritsen, A.O.Macchiavelli, P.R.Mudder, C.Nair, Y.Qiu, J.Rissanen, A.M.Rogers, P.Ruotsalainen, G.Savard, S.Stolze, A.Wiens, S.Zhu

Decay and Fission Hindrance of Two- and Four-Quasiparticle K Isomers in ²⁵⁴Rf

NUCLEAR REACTIONS ²⁰⁶Pb(⁵⁰Ti, 2n)²⁵⁴Rf, E=242.5 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced energy levels, J, π, isomer T_1/2, unprecedented fission hindrance relative to the ground state. Comparison with multiquasiparticle calculations.

doi: 10.1103/PhysRevLett.115.132502

2015YA18

Eur.Phys.J. A 51, 122 (2015)

Y.J.Yao, G.L.Zhang, W.W.Qu, J.Q.Qian

Comparative studies for different proximity potentials applied to α decay

RADIOACTIVITY ^106,110Te, ^110,112Xe, ¹⁴⁴Nd, ^146,148Sm, ^148,152Gd, ^152,154Dy, ^152,154Er, ^154,156Yb, ^156,162Hf, ^160,180W, ^168,174Os, ^176,188Pt, ^178,188Hg, ^178,190Pb, ^188,212Po, ^196,208Rn, ^202,214Ra, ^210,226Th, ^218,230U, ^228,242Pu, ^238,248Cm, ^240,252Cf, ^246,256Fm, ^252,256No, ^254,258Rf, ^264,270Hs, ^286,288Fl, ²⁹²Lv, ²⁹⁴Og(α); calculated T_1/2 using large set of different proximity potentials. Compared to data.

doi: 10.1140/epja/i2015-15122-0

2016SA53

Phys.Rev. C 94, 054621 (2016)

K.P.Santhosh, C.Nithya

Theoretical studies on the modes of decay of superheavy nuclei

RADIOACTIVITY ²³²Th, ^234,236,238U, ^{236,238,240,242,244,246}Pu, ^{240,242,244,246,248,250}Cm, ^{242,244,246,248,250,252}Cf, ^{246,248,250,252,254,256}Fm, ^252,254,256No, ^{254,256,258,260,262}Rf, ^{258,260,262,264,266}Sg, ^{258,260,262,264,266,268,270,272,274,276,278,280}Hs, ^{264,266,268,270,272,274,276,278,280,282,284}Ds, ^{270,272,274,276,278,280,282,284,286}Cn, ^{274,276,278,280,282,284,286,288}Fl, ^{284,286,288,290,292,294,296,298,300,302,304}Lv, ^{288,290,292,294,296,298,300,302,304}Og, ^{292,294,296,298,300,302,304,306}120(SF); calculated half-lives. ^265,267Rf, ^{266,267,268,270}Db, ^269,271Sg, ^{270,271,272,274}Bh, ^273,275,277Hs, ^{274,275,276,277,278}Mt, ^277,278,281Ds, ^{278,279,280,281,282}Rg, ^{281,282,283,284,285}Cn, ^{282,283,284,285,286}Nh, ^{285,286,287,288,289}Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ^293,294Ts, ²⁹⁴Og(α), (SF); calculated half-lives and predicted dominant decay mode. Coulomb and proximity potential model for deformed nuclei (CPPMDN). Comparison with several other theoretical calculations, and available experimental values.

doi: 10.1103/PhysRevC.94.054621

2016SU09

Phys.Rev. C 93, 034316 (2016)

X.-D.Sun, P.Guo, X.-H.Li

Systematic study of α decay half-lives for even-even nuclei within a two-potential approach

RADIOACTIVITY ¹⁴⁶Sm, ^148,150Gd, ^150,152,154Dy, ^152,154,156Er, ^154,156,158Yb, ^{156,158,160,162}Hf, ^{158,160,162,164,166,168}W, ^{166,168,170,172,174,186}Os, ^{166,168,170,172,174,176,178,180,182,184,186,188,190}Pt, ^{172,174,176,178,180,182,184,186,188}Hg, ^{178,180,182,184,186,188,190,192,194,210}Pb, ^{190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{206,208,210,212,214,216,218,220,222,224,226}Ra, ^{214,216,218,220,222,224,226,228,230,232}Th, ^{224,226,228,230,232,234,236,238}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{238,240,242,244,246,248,250}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{248,250,252,254,256}Fm, ^252,254,256No, ^254,256,258Rf, ^260,266Sg, ^264,266Hs, ²⁷⁰Ds, ^286,288Fl, ^290,292Lv, ²⁹⁴Og(α); calculated half-lives for α decay of Z=62-118 even-even nuclei using two-potential approach based on isospin-dependent nuclear potential taking into account hindrance factors; deduced parameters of isospin-dependent nuclear potentials and analytic expression of hindrance factors. Comparison with experimental half-lives, and with results from density-dependent cluster model (DDCM) and the generalized liquid drop model (GLDM).

doi: 10.1103/PhysRevC.93.034316

2018CH21

Chin.Phys.C 42, 054101 (2018)

Q.-Z.Chai, W.-J.Zhao, M.-L.Liu, H.-L.Wang

Calculation of multidimensional potential energy surfaces for even-even transuranium nuclei: systematic investigation of the triaxiality effect on the fission barrier

NUCLEAR STRUCTURE ^{236,238,240,242,244,246}Pu, ^{242,244,246,248,250}Cm, ^250,252Cf, ²⁵⁴Rf; calculated proton and neutron single-particle levels, two-dimensional potential energy surfaces, microscopic energy, deformation parameters. Comparison with available data.

doi: 10.1088/1674-1137/42/5/054101

2018PO05

Phys.Rev. C 97, 034319 (2018)

K.Pomorski, B.Nerlo-Pomorska, J.Bartel, C.Schmitt

Stability of superheavy nuclei

NUCLEAR STRUCTURE ²⁸⁰Ds, ²⁷⁶Cn, ^268,270,272Hs, ^264,266,268Sg, ^{258,260,262,264}Rf, ^254,256,258Fm, ²⁵²Cf; calculated deformation energy surfaces in (q₂, q₃), (q₃, q₄), (q₂, η) and (q₄, η) planes. Z=94-126, N-Z=42-72; calculated values of the collective coordinates η, q₂, q₃ and q₄ at equilibrium deformation, ground-state microscopic contribution to the potential energy, fission barrier heights. Comparison to available experimental data. Four-dimensional Fourier parametrization of nuclear shapes, combined with the macroscopic-microscopic approach of the potential energy based on the Lublin-Strasbourg drop and microscopic shell and pairing corrections.

RADIOACTIVITY ^{230,232,234,236,238,240,242,244,246,248,250,252,254,256,258}Pu, ^{232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262}Cm, ^{238,240,242,244,246,248,250,252,254,256,258,260,262,264,266}Cf, ^{242,244,246,248,250,252,254,256,258,260,262,264,266,268,270}Fm, ^{246,248,250,252,254,256,258,260,262,264,266,268,270,272,274}No, ^{250,252,254,256,258,260,262,264,266,268,270,272,274,276,278}Rf, ^{254,256,258,260,262,264,266,268,270,272,274,276,278,280,282}Sg, ^{258,260,262,264,266,268,270,272,274,276,278,280,282,284,286}Hs, ^{262,264,266,268,270,272,274,276,278,280,282,284,286,288,290}Ds, ^{266,268,270,272,274,276,278,280,282,284,286,288,290,292,294}Cn, ^{270,272,274,276,278,280,282,284,286,288,290,292,294,296,298}Fl, ^{274,276,278,280,282,284,286,288,290,292,294,296,298,300,302}Lv, ^{278,280,282,284,286,288,290,292,294,296,298,300,302,304,306}Og, ^{282,284,286,288,290,292,294,296,298,300,302,304,306,308,310}120, ^{286,288,290,292,294,296,298,300,302,304,306,308,310,312,314}122, ^{290,292,294,296,298,300,302,304,306,308,310,312,314,316,318}124(α); calculated Q(α) and α-decay half-lives using Gamow-type WKB approach, and compared with available experimental data.

doi: 10.1103/PhysRevC.97.034319

2018RE07

Phys.Rev. C 97, 054332 (2018)

K.Rezynkina, A.Lopez-Martens, K.Hauschild, I.Deloncle, S.Peru, P.Brionnet, M.L.Chelnokov, V.I.Chepigin, O.Dorvaux, F.Dechery, H.Faure, B.Gall, A.V.Isaev, I.N.Izosimov, D.E.Katrasev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, A.I.Svirikhin, A.V.Yeremin

Influence of octupole vibration on the low-lying structure of ²⁵¹Fm and other heavy N = 151 isotones

RADIOACTIVITY ²⁵⁵No(α)[from ⁴⁸Ca(²⁰⁸Pb, n), E=220 MeV and from ϵ decay of ²⁵⁵Lr produced in ⁴⁸Ca(²⁰⁹Bi, 2n), E=214 MeV using the VASSILISSA separator with the GABRIELA spectrometer at FLNR-JINR, Dubna]; measured Eγ, Iγ, x rays, E(ce), I(ce), Eα, αγ-coin, (ce)α-coin, isomer half-life by γ(t) using implantation silicon detector strips for conversion electrons and α detection, and HPGe detector array for γ detection. ²⁵¹Fm; deduced levels, J, π, conversion coefficients, multipolarities, B(M2), B(E3), and E3/M2 mixing ratio of 5/2+ to g.s transition. Comparison with previous experimental results, and with theoretical calculations. Systematics of low-lying excited states in ²⁴⁵Pu, ²⁴⁷Cm, ²⁴⁹Cf, ²⁵¹Fm, ²⁵³No, ²⁵⁵Rf.

NUCLEAR STRUCTURE ^246,247Cm, ^248,249Cf, ^250,251Fm, ^252,253No, ²⁵⁴Rf; calculated energies of 2- phonon levels in even-A, and 5/2+ states from 2- phonon levels built on 9/2- ground states in odd-A nuclei, B(E3) using QRPA with Gogny D1M parametrization, configuration amplitudes for odd-A isotopes from QPM with Woods-Saxon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.054332

2019CA15

Phys.Rev. C 99, 064606 (2019)

N.Carjan, F.A.Ivanyuk, Yu.Ts.Oganessian

Fission of superheavy nuclei: Fragment mass distributions and their dependence on excitation energy

RADIOACTIVITY ^{252,254,256,258,260,262,264,266,268,270}No, ^{264,266,268,270,272,274,276,278}Hs, ^{276,278,280,282,284,286}Cn, ^{290,291,292,293}Lv, ^{268,270,272,274,276,278,280,282,284,288,292}Ds, ^{254,256,258,260,262,264,266,268,270}Rf, ^{272,274,276,280,284,285,286,287,288,292,296,298,300,304}Fl, ^{276,280,284,288,292,294,296,300,304}Og(SF); calculated average mass of light and heavy fission fragments, fission fragment mass distribution, average total kinetic energy of fission fragments, second moments of the total kinetic energy distribution of fission using a prescission point model.

doi: 10.1103/PhysRevC.99.064606

2019MO01

At.Data Nucl.Data Tables 125, 1 (2019)

P.Moller, M.R.Mumpower, T.Kawano, W.D.Myers

Nuclear properties for astrophysical and radioactive-ion-beam applications (II)

NUCLEAR STRUCTURE Z=8-136; calculated the ground-state odd-proton and odd-neutron spins and parities, proton and neutron pairing gaps, one- and two-neutron separation energies, quantities related to β-delayed one- and two-neutron emission probabilities, average energy and average number of emitted neutrons, β-decay energy release and T_1/2 with respect to Gamow-Teller decay with a phenomenological treatment of first-forbidden decays, one- and two-proton separation energies, and α-decay energy release and half-life.

doi: 10.1016/j.adt.2018.03.003

2019SO11

Chin.Phys.C 43, 074102 (2019)

A.Soylu

Search for decay modes of heavy and superheavy nuclei

RADIOACTIVITY ²³²Th, ^234,236,238U, ^{236,238,240,242,244}Pu, ^{240,242,244,246,248,250}Cm, ²⁴²Cf, ^{246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^252,254,256No, ^{254,256,258,260,262}Rf, ^{258,260,262,264,266}Sg, ²⁶⁴Hs, ²⁷⁰Db, ^282,284Cn, ²⁸⁶Fl(SF); calculated T_1/2. Comparison with available data.

doi: 10.1088/1674-1137/43/7/074102

2019SO15

Int.J.Mod.Phys. E28, 1950042 (2019)

A.Soylu

Semi-classical calculations of the α-decay half-lives for even-even nuclei

RADIOACTIVITY ¹⁴⁶Sm, ^148,150Gd, ^150,152,154Dy, ^152,154,156Er, ^154,156,158Yb, ^{156,158,160,162}Hf, ^{158,160,162,164,166,168}W, ^{162,164,166,168,170,172,174}Os, ¹⁸⁶Os, ^{166,168,170,172,174,176,178,180,182,184,186,188,190}Pt, ^{172,174,176,178,180,182,184,186,188}Hg, ^{178,180,182,184,186,188,190,192,194}Pb, ²¹⁰Pb, ^{190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{206,208,210,212,214,216,218,220,222,224}Ra, ^{214,216,218,220,222,224,226,228,230,232}Th, ^{222,224,226,228,230,232,234,236,238}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{238,240,242,244,246,248,250}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{248,250,252,254,256}Fm, ^252,254,256No, ^254,256,258Rf, ²⁶⁰Sg, ²⁶⁶Sg, ^264,266Hs, ²⁷⁰Ds, ^286,288Fl, ^290,292Lv, ²⁹⁴Og(α); calculated Q-values, T_1/2. Comparison with available data.

doi: 10.1142/S0218301319500423

2019ST10

Phys.Rev. C 100, 044302 (2019)

J.R.Stone, K.Morita, P.A.M.Guichon, A.W.Thomas

Physics of even-even superheavy nuclei with 96 < Z < 110 in the quark-meson-coupling model

NUCLEAR STRUCTURE ^{244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm; calculated ground state binding energies and compared to values in AME-2016. ^{234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280}Cm, ^{236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282}Cf, ^{238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284}Fm, ^{240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286}No, ^{242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288}Rf, ^{244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290}Sg, ^{246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292}Hs, ^{248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294}Ds; calculated deformation energies and neutron pairing energies as a function of the quadrupole deformation parameter β₂, S(2n), Q(α), shape coexistence in N=168-184 Sg nuclei. ^40,48Ca, ^56,68,78Ni, ⁹⁰Zr, ^100,132Sn, ¹⁴⁶Gd, ²⁰⁸Pb; calculated proton and neutron single-particle energies. ²⁴⁴Cm, ²⁴⁸Cf, ²⁵²Fm, ²⁵⁶No, ²⁶⁰Rf, ²⁶⁴Sg, ²⁶⁸Hs, ²⁷²Ds; calculated neutron single-particle states. Quark-meson-coupling (QMC) model. Comparison with available experimental data from AME-2016 and databases at NNDC.

doi: 10.1103/PhysRevC.100.044302

2020BR16

Phys.Rev. C 102, 054603 (2020)

W.Brodzinski, J.Skalski

Instanton-motivated study of spontaneous fission of odd-A nuclei

NUCLEAR STRUCTURE ^256,257,260Rf, ²⁶¹Db, ²⁷²Mt; calculated energy surface contour in (β₂₀, β₄₀) plane, in (β₂₀, β₂₂) plane for ²⁷²Mt, neutron levels around the Fermi level, and fission barrier heights for ²⁷²Mt, actions for separate single particle solutions for ²⁷²Mt, and for the collective velocities for ²⁵⁶Rf and ²⁵⁷Rf using instanton-like cranking mass parameter without pairing. Imaginary-time-dependent Schrodinger equation (iTDSE) using Woods-Saxon potential without pairing, and imaginary-time-dependent HFB (iTDHFB) using fixed potential with pairing.

RADIOACTIVITY ²⁵⁸No, ²⁵⁹Lr, ^{254,255,256,257,257m,260}Rf, ²⁶¹Db, ^{258,259,260,261}Sg, ^282,283Cn(SF); calculated half-lives, and fission hindrance factors using iTDSE and iTDHFB methods. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054603

2020KH01

Nucl.Phys. A994, 121662 (2020)

J.Khuyagbaatar, A.K.Mistry, D.Ackermann, L.-L.Andersson, M.Block, H.Brand, Ch.E.Dullmann, J.Even, F.P.Hessberger, J.Hoffmann, A.Hubner, E.Jager, B.Kindler, J.Krier, N.Kurz, B.Lommel, B.Schausten, J.Steiner, A.Yakushev, V.Yakusheva

The identification and confirmation of isomeric states in ²⁵⁴Rf and ²⁵⁵Rf through conversion electron detection

NUCLEAR REACTIONS ²⁰⁶Pb(⁵⁰Ti, 2n), (⁵⁰Ti, n)^254,255Rf, E=252.5, 236.0 MeV pulsed beam from the UNILAC-GSI facility; measured evaporation residues (ERs), decay products, conversion electrons, isomers, T_1/2 from (ERs)(fission events)-correlated, and (ERs)(fission events)(electron)-correlated decay curves using the gas-filled separator TASCA with multi-wire proportional counter (MWPC) and double-sided silicon strip detectors(DSSDs). ^254,255Rf; deduced T_1/2 of the ground states and isomers, production σ. Comparison of measured σ with theoretical calculations using statistical fusion-evaporation code HIVAP.

doi: 10.1016/j.nuclphysa.2019.121662

2020KH07

Nucl.Phys. A1002, 121958 (2020)

J.Khuyagbaatar

Spontaneous fission half-lives of the heaviest nuclei: Semi-empirical predictions

RADIOACTIVITY ^{246,248,250,252,254,256,258,260,262,264,266,268}Cf, ^{248,250,252,254,256,258,260,262,264,266,268,270}Fm, ^{250,252,254,256,258,260,262,264,266,268,270}No, ^{252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288}Rf, ^{254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290}Sg, ^{254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292}Hs, ^{252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300}Ds, ^{254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302}Cn, ^{256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304}Fl, ^{284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322}Lv, ^{286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324}Og, ^{288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326}120(SF); calculated T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.121958

2020MA43

Phys.Rev. C 102, 034304 (2020)

K.L.Martinez, A.W.Thomas, P.A.M.Guichon, J.R.Stone

Tensor and pairing interactions within the quark-meson coupling energy-density functional

NUCLEAR STRUCTURE Z=20, N=14-38; Z=28, N=20-50; Z=50, N=50-88; Z=82, N=96-138; calculated binding energies with and without tensor contribution, two-neutron shell gaps. ^40,48Ca, ^56,78Ni, ^100,132Sn; calculated proton and neutron single-particle states, deformation energies, spin-orbit splittings with and without tensor contribution. ^{90,92,94,96,98,100,102,104,106,108,110,112}Zr; calculated β₂ deformation parameters and deformation energies. ^{254,256,254,256,258,260,262,264}Fm, ^{254,256,258,260,262,264,266,268}Rf; calculated two-neutron shell gaps. Quark-meson coupling (QMC) model (QMCπ-III-T), with the density functional which included tensor component, and pairing interaction from the QMC framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.034304

2020SI27

Nucl.Phys. A1004, 122035 (2020)

U.K.Singh, P.K.Sharma, M.Kaushik, S.K.Jain, D.T.Akrawy, G.Saxena

Study of decay modes in transfermium isotopes

RADIOACTIVITY ^{245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260}Md, ^{250,251,252,253,254,255,256,257,258,259,260,261,262}No, ^{252,253,254,255,256,257,258,259,260,261,262,263,264,265,266}Lr, ^{253,254,255,256,257,258,259,260,261,262,263,264,265}Rf, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Db, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271}Sg, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{263,264,265,266,267,268,269,270,271,272,273,274,275,276,277}Hs, ^{266,267,268,269,270,271,272,273,274,275,276,277,278}Mt(EC), (β^-), (α), (SF); calculated T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.122035

2020SVZZ

27th Int.Nuclear Physics Conference (INPC2019) 29 July - 2 August 2019, Glasgow, UK, p.012160 (2020), J. Phys.:Conf.Ser.1643 (2020)

A.I.Svirikhin, A.V.Andreev, A.V.Yeremin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, T.M.Schneidman, M.S.Tezekbayeva, B.Andel, P.Mosat, Z.Kalaninova, M.Z.Asfari, B.Gall, O.Dorvaux, J.Piot, E.A.Stefanova, D.V.Tonev, K.Hauschild, A.Lopez-Martenz, K.Rezynkina

The study of the properties of spontaneously fissioning transfermium nuclei synthesized in the complete fusion reactions with heavy ions

RADIOACTIVITY ²⁵²Cf(SF);²⁵⁴Rf(SF)[from ²⁰⁶Pb(⁵⁰Ti, 2n), E not given]; ²⁵⁶Rf(SF)[from ²⁰⁸Pb(⁵⁰Ti, 2n), E not given]; ²⁵⁰No, ²⁵²No(SF)[from ^204,206Pb(⁴⁸Ca, 2n), E not given]; ²⁴⁴Fm, ²⁴⁶Fm(SF)[from ^206,208Pb(⁴⁰Ar, 2n), E not given];measured decay products, Eα, Iα, En, In; deduced T_1/2, mean number of neutrons per fission act, total kinetic energy. U-400 cyclotron at the Flerov Nuclear Reactions Laboratory of JINR and the SHELS kinematic separator.

doi: 10.1088/1742-6596/1643/1/012160

2020TA21

Phys.Rev. C 102, 054330 (2020)

A.Taninah, S.E.Agbemava, A.V.Afanasjev

Covariant density functional theory input for r-process simulations in actinides and superheavy nuclei: The ground state and fission properties

NUCLEAR STRUCTURE ^{206,208,210,212,214,216,218,220,220,220,220,220,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300}Th, ^{264,266,258,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334,336,338,340,342,344,346,348,350,352,354,356,358,360,362,364,366,368}Ds; calculated binding energies as function of deformation β₂. ^{240,242,326,328}Cf, ^246,330,332Fm, ^{248,250,334,336}No, ^250,252,254Rf, ^254,256Sg; calculated superdeformed minima, β₂, β₃, second fission barriers, deformation energy curves and potential energy surface in (β₂, β₃) plane for ²⁴⁰Cf. ^{202,204,308,346}Th, ^{210,214,316,350}U, ^{216,220,326,352}Pu, ^{222,224,348,354}Cm, ^228,354,356Cf, ^232,358Fm, ^236,238,360No, ^242,244,362Rf, ^248,250,364Sg, ^{254,256,366,396}Hs, ^{260,264,368,402}Ds, ^{266,270,370,410}Cn, ^{272,276,376,416}Fl, ^{278,282,402,428}Lv, ^{284,288,412,436}Og, ^{290,294,418,434}120; predicted two-proton and two-neutron drip lines. ^{298,302,306,308,310,312,316,318,320,322,326,328,330,332,336,340}Og; calculated potential-energy surfaces in (β₂cos(γ+30), β₂sin(γ+30)) plane. Z=90-120, N=110-320; calculated proton quadrupole deformations β₂, binding-energies, S(2n), Q(α), α-decay half-lives, heights of primary fission barriers. Covariant density functional theory (CDFT) using state-of-the-art DD-PC1, DD-ME2, NL3*, and PC-PK1 CEDFs. Comparison to available data. Relevance to r-process modeling in heavy nuclei, and for the study of fission cycling.

doi: 10.1103/PhysRevC.102.054330

2021BU02

Eur.Phys.J. A 57, 41 (2021)

A.I.Budaca

Screening amendment to the universal decay law for alpha decay

RADIOACTIVITY ^{186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219}Po, ^{194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222}Rn, ^{202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226}Ra, ^{208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232}Th, ^{214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238}U, ^{228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244}Pu, ^{234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250}Cm, ^{240,241,242,243,244,245,246,247,248,249,250,251,252,253,254}Cf, ^{246,247,248,249,250,251,252,253,254,255,256}Fm, ^{251,252,253,254,255,256}No, ^{254,260,264,266,268}Rf, ^{258,262,264,266,268,270,272}Sg, ^272,274,276Hs, ^{268,272,274,276,278,280}Ds, ^{276,278,280,282,284}Cn, ²⁸⁴Fl, ^{253,259,261,263,265,267}Rf, ^{259,261,263,265,267,269,271,273}Sg, ^{263,265,267,269,271,273,275,277}Hs, ^{267,269,271,273,275,277,279,281}Ds, ^{277,279,281,283,285}Cn, ^285,287,289Fl, ^289,291,293Lv(α); calculated T_1/2. Comparison with available data.

doi: 10.1140/epja/s10050-021-00359-1

2021CH44

J.Phys.(London) G48, 095106 (2021)

S.Cheng, Z.Ge, L.Cao, F.-S.Zhang

Theoretical calculations of the nuclear deformation effects on α-decay half-lives for heavy and super-heavy nuclei

RADIOACTIVITY ^{172,174,176,178}Hg, ^{178,180,182,184}Pb, ^{186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{194,196,198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{202,204,206,208,210,212,214,216,218,220,222,224,226}Ra, ^{208,210,212,214,216,218,220,222,224,226,228,230}Th, ^{216,218,220,222,224,226,228,230,232,234,236}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{240,242,244,246,248}Cm, ^{238,240,242,244,246,248,250,252,254,256}Cf, ^{242,244,246,248,250,252,254,256,258}Fm, ^{252,254,256,258,260}No, ^{254,256,258,260,262}Rf, ^{258,260,262,264,266}Sg, ^{264,266,268,270}Hs, ²⁷⁰Ds, ²⁸⁰Ds, ^282,284Cn, ^284,286,288Fl, ^290,292Lv, ²⁹⁴Og(α); calculated T_1/2. Comparison with available data.

doi: 10.1088/1361-6471/ac165f

2021JI04

Phys.Rev. C 103, 024314 (2021)

J.Jia, Y.Qian, Z.Ren

Systematics of α-decay energies in the valence correlation scheme

RADIOACTIVITY ^{248,249,250,251,252,253,254,255,256}No, ^{251,252,253,254,255,256,257,258,259}Lr, ^{253,254,255,256,257,258}Rf, ^277,285Cn, ^284,285,286Nh, ^{284,285,286,287,288,289}Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ^293,294Ts, ²⁹⁴Og(α); calculated Q(α) from analysis of evaluated Q(α) data for Z=52-118 nuclei in AME2016 using a simple valence correlation scheme (VCS), and compared with available experimental data.

doi: 10.1103/PhysRevC.103.024314

2021KO43

Chin.Phys.C 45, 124108 (2021)

P.V.Kostryukov, A.Dobrowolski, B.Nerlo-Pomorska, M.Warda, Z.Xia, Y.Chen, L.Liu, J.-L.Tian, K.Pomorski

Potential energy surfaces and fission fragment mass yields of even-even superheavy nuclei

NUCLEAR STRUCTURE ^{254,256,258,260,262}Rf, ^{258,260,262,264,266}Sg, ^{264,266,268,270,272}Hs, ^{276,278,280,282,284}Ds, ^{278,280,282,284,286}Cn, ^{282,284,286,288,290}Fl, ^{286,288,290,292,294}Lv, ^{290,292,294,296,298}Og, ^{294,296,298,300,302}120; calculated potential energy surfaces. The Lublin-Strasbourg Drop (LSD) model.

doi: 10.1088/1674-1137/ac29a3

2021MA17

Chin.Phys.C 45, 024105 (2021)

N.-N.Ma, X.-J.Bao, H.-F.Zhang

Diffuseness effect and radial basis function network for optimizing α decay calculations

RADIOACTIVITY ²⁵⁶Rf, ²⁵⁸Rf, ²⁶³Rf, ^257,258,259Db, ²⁶³Db, ^{259,260,261,262}Sg, ²⁶⁹Sg, ²⁷¹Sg, ²⁶⁰Bh, ²⁶¹Bh, ²⁶⁴Bh, ^266,267Bh, ²⁷⁰Bh, ²⁷²Bh, ²⁷⁴Bh, ^{264,265,266,267}Hs, ²⁷⁰Hs, ²⁷³Hs, ²⁶⁸Mt, ^274,275,276Mt, ²⁷⁸Mt, ²⁶⁷Ds, ^269,270,271Ds, ²⁷³Ds, ²⁷⁷Ds, ²⁸¹Ds, ²⁷²Rg, ²⁷⁴Rg, ^278,279,280Rg, ²⁸¹Cn, ²⁸⁵Cn, ²⁷⁸Nh, ^{282,283,284,285,286}Nh, ^{286,287,288,289}Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ^293,294Ts, ²⁹⁴Og, ^{252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288}Rf, ^{272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310}Fl, ^{286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316}119, ^{292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318}120(α); calculated T_1/2. Comparison with available data.

doi: 10.1088/1674-1137/abcc5c

2021PO06

Chin.Phys.C 45, 054109 (2021)

K.Pomorski, J.M.Blanco, P.V.Kostryukov, A.Dobrowolski, B.Nerlo-Pomorska, M.Warda, Z.-G.Xiao, Y.-J.Chen

Fission fragment mass yields of Th to Rf even-even nuclei

NUCLEAR STRUCTURE ^{216,218,220,222,224,226,228,230,232,234,236,238,240}Th, ^{220,222,224,226,228,230,232,234,236,238,240,242,244,246}U, ^{222,224,226,228,230,232,234,236,238,240,242,244,246,248,250}Pu, ^{224,226,228,230,232,234,236,238,240,242,244,246,248,250,252}Cm, ^{238,240,242,244,246,248,250,252,254,256,258,260}Cf, ^{240,242,244,246,248,250,252,254,256,258,260,262}Fm, ^{242,244,246,248,250,252,254,256,258,260,262,264}No, ^{250,252,254,256,258,260,262,264,266,268,270,272,274,276}Rf; calculated potential energy surfaces, fission barrier heights, fragment mass yields.

doi: 10.1088/1674-1137/abec69

2021SA34

Phys.Rev. C 104, 024617 (2021)

K.P.Santhosh, C.Nithya, T.A.Jose

Decay modes of superheavy nuclei using a modified generalized liquid drop model and a mass-inertia-dependent approach for spontaneous fission

RADIOACTIVITY ^{253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268}Rf, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271,272}Sg, ^{263,264,265,266,267,268,269,270,271,272,273,274,275,276,277}Hs, ^{267,268,269,270,271,272,273,274,275,276,277,278,279,280,281}Ds, ^{276,277,278,279,280,281,282,283,284,285}Cn, ^{284,285,286,287,288,289}Fl, ^{289,290,291,292,293}Lv, ^293,294,295Og(α), (SF); ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Db, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{265,266,267,268,269,270,271,272,273,274,275,276,277,278,279}Mt, ^{272,273,274,275,276,277,278,279,280,281,282,283}Rg, ^{278,279,280,281,282,283,284,285,286,287}Nh, ^{287,288,289,290,291}Mc, ^{291,292,293,294}Ts(α), (SF); calculated α decay and SF decay T_1/2 of superheavy nuclei using modified generalized liquid drop model (MGLDM) with the proximity 77 parametrization for α decay, and a mass-inertia-dependent approach for spontaneous fission. Comparison with available experimental T_1/2.

doi: 10.1103/PhysRevC.104.024617

2021SI02

Nucl.Phys. A1006, 122066 (2021)

U.K.Singh, R.Sharma, P.K.Sharma, M.Kaushik, S.K.Jain, G.Saxena

Structural properties and α-decay chains of transfermium nuclei (101 ≤ Z ≤ 110)

RADIOACTIVITY ^{235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287}Md, ^{238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288}No, ^{241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289}Lr, ^{243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290}Rf, ^{245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291}Db, ^{248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292}Sg, ^{250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293}Bh, ^{253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294}Hs, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295}Mt, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296}Ds(α), (SF); calculated potential energy surfaces (PESs), occupancies of neutron single particle states, rms α-decay T_1/2, T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.122066

2021VL01

Int.J.Mod.Phys. E30, 2150025 (2021)

E.V.Vladimirova, B.S.Ishkhanov, M.V.Simonov, S.V.Sidorov, T.Yu.Tretyakova

Residual np-interaction and mass predictions in transfermium region

RADIOACTIVITY ^{246,247,248,249,250,251,252,253,254,255,256,257,258}Md, ^{248,249,250,251,252,253,254,255,256,257,258,259}No, ^{250,251,252,253,254,255,256,257,258,259,260}Lr, ^{252,253,254,255,256,257,258,259,260,261}Rf, ^{254,255,256,257,258,259,260,261,262}Db, ^{256,257,258,259,260,261,262,263}Sg(α); calculated T_1/2, Q-values. Comparison with available data.

doi: 10.1142/S0218301321500257

2021WA16

Chin.Phys.C 45, 030003 (2021)

M.Wang, W.J.Huang, F.G.Kondev, G.Audi, S.Naimi

The AME 2020 atomic mass evaluation (II). Tables, graphs and references

ATOMIC MASSES A=1-295; compiled, evaluated atomic masses, mass excess, β-, ββ and ββββ-decay, binding, neutron and proton separation energies, decay and reaction Q-value data.

doi: 10.1088/1674-1137/abddaf

2021YA34

Int.J.Mod.Phys. E30, 2150099 (2021)

A.Yadav, A.Shukla, S.Aberg

Bubble structure in superheavy nuclei around neutron and proton shell closure

NUCLEAR STRUCTURE ^{254,256,258,260,262}Rf, ^{258,260,262,264,266}Sg, ^264,266Hs, ²⁷⁰Hs, ²⁷⁰Ds, ^282,284Cn, ^284,286,288Fl, ^290,292Lv, ²⁹⁴Og; calculated energy levels, J, π, deformation parameters, two-neutron separation energies, charge and neutron radii, neutron skin.

doi: 10.1142/S0218301321500993

2022KH11

Eur.Phys.J. A 58, 243 (2022)

J.Khuyagbaatar

Fission-stability of high-K states in superheavy nuclei

RADIOACTIVITY ²⁴⁸Es(EC), ²⁵⁴Rf, ²⁷⁰Ds(α); calculated the electron-capture delayed fission (ECDF) process within the approximate parabolic barrier approach, various de-excitation modes of high-K states, T_1/2.

doi: 10.1140/epja/s10050-022-00896-3

2022MA70

Phys.Part. and Nucl.Lett. 19, 646 (2022)

E.V.Mardyban, T.M.Shneidman, E.A.Kolganova, R.V.Jolos

Manifestation of Reflection-Asymmetric Deformation in the Structure of Superheavy Nuclei

NUCLEAR STRUCTURE ^{250,252,254,256,258,260,262}No, ^{254,256,258,260,262,264,266}Rf, ^{258,260,262,264,266,268,270}Sg, ^{264,266,268,270,272,274}Hs, ^{268,270,272,274,276,278,280,282}Ds; calculated negative parity energy levels, initial parity splitting, transition dipole, quadrupole and octupole moments using the cluster model of a dinuclear system; deduced assessments of the critical angular momenta at which the transition from oscillatory motion to stable reflection-asymmetric deformation.

doi: 10.1134/S1547477122060152

2022RO05

Nucl.Phys. A1021, 122427 (2022)

G.Royer, Q.Ferrier, M.Pineau

Alpha and cluster decays of superheavy elements and 2p radioactivity of medium nuclei

RADIOACTIVITY ^{252,254,256,258,260,262,264,266,268}Rf, ^{258,260,262,264,266,268,270,272}Sg, ^{262,264,266,268,270,272,274,276,278}Hs, ^{260,262,264,266,268,270,272,274,276,278,280,282}Ds, ^{276,278,280,282,284,286}Cn, ^{284,286,288,290}Fl, ^290,292Lv, ²⁹⁴Og, ^296,298120, ^{253,255,257,259,261,263,265,267,269}Rf, ^{257,259,261,263,265,267,269,271}Sg, ^{263,265,267,269,271,273,275,277}Hs, ^{267,269,271,273,275,277,279,281}Ds, ^{277,279,281,283,285}Cn, ^285,287,289Fl, ^289,291,293Lv, ^293,295Og, ^295,297120, ^{255,257,259,261,263,265,267,269,271}Db, ^{259,261,263,265,267,269,271,273,275}Bh, ^{265,267,269,271,273,275,277,279}Mt, ^{271,273,275,277,279,281,283}Rg, ^{277,279,281,283,285,287}Nh, ^287,289,291Mc, ²⁹³Ts, ^295,297119, ^{256,258,260,262,264,266,268,270}Db, ^{260,262,264,266,268,270,272,274}Bh, ^{266,268,270,272,274,276,278}Mt, ^{272,274,276,278,280,282}Rg, ^{278,280,282,284,286}Nh, ^286,288,290Mc, ^292,294Ts, ^294,296119(α), ^{221,222,223,224}Ra, ²²⁶Ra, ²²⁵Ac(¹⁴C), ²²⁸Th(²⁰O), ²³⁰Th, ²³¹Pa(²⁴Ne), ²³⁰U(²²Ne), ^232,233,234U(²⁴Ne), ^234,235U, ²³⁶Pu, ²³⁸Pu(²⁸Mg), ²³⁸Pu(³²Si), ²⁴²Cm(³⁴Si), ²⁵³Rf(⁸Be), ²⁵⁷Rf(⁴⁷K), ²⁵⁸Rf(⁴⁸K), ²⁵⁵Db(⁸Be), ²⁶⁵Db(⁵⁶Ti), ²⁵⁸Sg(⁸Be), ²⁶⁰Bh(⁵⁰Ti), ²⁶⁴Hs(⁶⁴Ni), ²⁶⁷Ds(⁵⁸Fe), (⁶⁰Fe), ²⁶⁸Ds(⁶⁰Ni), ²⁶⁹Ds(⁶⁰Fe), ²⁷¹Ds(⁶²Fe), (⁶³Co), ²⁷²Ds(⁶⁴Co), (⁶⁴Ni), ²⁷³Ds(⁶⁵Co), ²⁷⁴Ds(⁶⁶Co), ²⁷⁵Ds(⁶⁷Co), ^281,282Ds(⁷⁶Zn), ²⁷²Rg(⁶²Fe), (⁶³Ni), ²⁷⁴Rg(⁶⁵Ni), ²⁷⁶Rg(⁶⁷Ni), ²⁷⁸Rg(⁶⁹Ni), ²⁸⁰Rg(⁷¹Ni), ²⁸²Rg(⁷²Cu), ^282,283Rg(⁷⁶Zn), ²⁸⁵Cn(⁷²Zn), (⁷³Zn), (⁷⁵Zn), (⁷⁷Zn), ²⁸⁶Cn(⁴⁸Ca), (⁷⁴Ni), (⁷⁸Ni), ²⁸⁶Nh(⁴⁹Ca), (⁵⁰Ca), (⁷⁴Cu), (⁷⁵Cu), (⁷⁶Cu), (⁷⁶Zn), (⁷⁷Zn), (⁷⁸Ga), ²⁸⁷Fl, ²⁸⁹Fl(⁴⁸Ca), (⁷⁵Cu), (⁷⁶Zn), (⁷⁷Zn), (⁷⁸Zn), (⁷⁹Zn), (⁸⁰Zn), ²⁹³Lv(⁵⁴Ti), ²⁹⁴Og(⁸Be), ¹²O, ¹⁶Ne, ¹⁹Mg, ⁴⁵Fe, ⁴⁸Ni, ⁵⁴Zn, ⁶⁷Kr(2p); calculated T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122427

2022RO07

Phys.Rev. C 105, 034619 (2022)

I.S.Rogov, G.G.Adamian, N.V.Antonenko

Spontaneous fission hindrance in even-odd nuclei within a cluster approach

RADIOACTIVITY ^{242,243,244,245,246}Cm, ^{242,243,244,245,246,253,254,255,256,257,258}Fm, ^{254,255,256,257,258}Rf, ²³⁵U, ^239,241Pu(α)(SF); calculated T_1/2. Dinuclear system cluster approach. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.034619

2022XI08

Nucl.Phys. A1028, 122528 (2022)

F.Xing, H.Qi, J.Cui, Y.Gao, Y.Wang, J.Gu, G.Yong

An improved Gamow-like formula for α-decay half-lives

RADIOACTIVITY ^{214,215,216,217,218}U, ^{219,220,221,222,223,224}Np, ^{221,222,223,224,225,226,227}Pu, ^{224,225,226,227,228}Am, ^231,232Cm, ^{233,234,235,236,237,238,239,240,241,242}Bk, ^234,235,236Cf, ^237,238,239Es, ^{239,240,241,242,243,244}Fm, ^241,242,243Md, ^{246,247,248,249,250}No, ^249,250,251Lr, ^{251,252,253,254}Rf, ^253,254,255Db, ^256,257,258Sg, ^{258,259,260,261,262,263}Bh, ^261,262Hs, ^263,264,265Mt, ^{261,262,263,264,265,266}Ds, ^{266,267,268,269,270,271,272,273}Rg, ^{270,271,272,273,274,275,276}Cn, ^{272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290}Nh, ^{278,279,280,281,282,283,284,285,286,287,288,289,290,291}Fl, ^{281,282,283,284,285,286,287,288,289,290,291,292}Mc, ^{283,284,285,286,287,288,289}Lv, ^{285,286,287,288,289,290,291,292}Ts, ^{288,289,290,291,292,293}Og, ²⁹⁵Og, ^{290,291,292,293,294,295,296}119, ^{291,292,293,294,295,296,297,298,299,300}120, ^{287,288,289,290,291}Og, ^283,284Lv, ^279,280,281Fl, ^275,276Cn, ^271,272,273Ds, ²⁹⁴120, ^268,269Hs, ^264,265Sg, ²⁸¹Fl(α); calculated T_1/2; deduced an improved Gamow-like (IMGL) formula parameters. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122528

2023SE09

Phys.Rev. C 107, L061302 (2023)

D.Seweryniak, T.Huang, K.Auranen, A.D.Ayangeakaa, B.B.Back, M.P.Carpenter, P.Chowdhury, R.M.Clark, P.A.Copp, Z.Favier, K.Hauschild, X.-T.He, T.L.Khoo, F.G.Kondev, A.Korichi, T.Lauritsen, J.Li, C.Morse, D.H.Potterveld, G.Savard, S.Stolze, J.Wu, J.Zhang, Y.-F.Xu

Nuclear rotation at the fission limit in ²⁵⁴Rf

NUCLEAR REACTIONS ²⁰⁶Pb(⁵⁰Ti, 2n)²⁵⁴Rf, E=244 MeV from the ATLAS-ANL facility; measured reaction products, prompt γ rays, Eγ, Iγ, Rf K_α and K_β x-rays, (²⁵⁴Rf implants)γ-coin, (implants)(fission events)γ-coin using the Gammasphere array and the Argonne gas-filled analyzer (AGFA). ²⁵⁴Rf; deduced levels, J, π, ground-state rotational band up to 14+, kinematic moment of inertia. Systematics of ground-state bands in ²⁵⁰Fm, ^252,254No, and ^254,256Rf, and comparison with particle-number conserving cranked shell model (PNC-CSM) calculations.

doi: 10.1103/PhysRevC.107.L061302