Nuclear Science References (NSR)

NUCLEAR STRUCTURE Z=71-120; calculated deviations of experimental and theoretical ground state and fission saddle point masses from their respective macroscopic approximations.

2005SW01 Phys.Rev. C 71, 014602 (2005)

W.J.Swiatecki, K.Siwek-Wilczynska, J.Wilczynski

Fusion by diffusion. II. Synthesis of transfermium elements in cold fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁸Fe, n), (⁵⁰Ti, n), (⁵⁴Cr, n), (⁶⁴Ni, n), (⁷⁰Zn, n), (⁶⁵Cu, n), E(cm) ≈ 175-270 MeV; ²⁰⁹Bi(⁵⁰Ti, n), (⁶⁴Ni, n), E(cm) ≈ 175-260 MeV; calculated excitation functions. ²³⁸U, ²⁴⁴Pu, ²⁴³Am, ^245,248Cm, ²⁴⁹Cf(⁴⁸Ca, X), E^*=25, 35, 45 MeV; ²⁰⁸Pb(⁷⁰Zn, X), (⁷⁶Ge, X), (⁸²Se, X), (⁸⁶Kr, X), ²⁰⁹Bi(⁷⁶Ge, X), E^*=13-14 MeV; calculated fusion hindrance factors. Comparisons with data.

doi: 10.1103/PhysRevC.71.014602
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2005SW02 Phys.Rev. C 71, 047301 (2005)

W.J.Swiatecki, A.Trzcinska, J.Jastrzebski

Difference of the root-mean-square sizes of neutron and proton distributions in nuclei: Comparison of theory with data

NUCLEAR STRUCTURE ^40,48Ca, ^54,56,57Fe, ^58,60,64Ni, ⁵⁹Co, ^90,96Zr, ^106,116Cd, ^{112,116,120,124}Sn, ^{122,124,126,128}Te, ²⁰⁸Pb, ²⁰⁹Bi, ²³²Th, ²³⁸U; calculated neutron-proton radius difference. Droplet model, comparison with data.

doi: 10.1103/PhysRevC.71.047301
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2004SW01 Int.J.Mod.Phys. E13, 261 (2004)

W.J.Swiatecki, K.Siwek-Wilczynska, J.Wilczynski

Calculations of cross sections for the synthesis of super-heavy nuclei in cold fusion reactions

NUCLEAR REACTIONS ²⁰⁸Pb, ²⁰⁹Bi(⁴⁸Ca, X), (⁵⁰Ti, X), (⁵⁴Cr, X), (⁵⁸Fe, X), (⁶²Ni, X), (⁶⁴Ni, X), (⁷⁰Zn, X), (⁷⁶Ge, X), (⁸²Se, X), (⁸⁶Kr, X), E not given; calculate compound nucleus survival probability. Comparisons with data.

doi: 10.1142/S021830130400203X
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2003SW01 Acta Phys.Pol. B34, 2049 (2003)

W.J.Swiatecki, K.Siwek-Wilczynska, J.Wilczynski

Fusion by diffusion

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, n), (⁵⁰Ti, n), (⁵⁴Cr, n), (⁵⁸Fe, n), (⁶²Ni, n), (⁶⁴Ni, n), (⁷⁰Zn, n), (⁸⁶Kr, n), E^* ≈ 12-15 MeV; calculated σ. Statistical diffusion. Comparisons with data.

2003SW02 Acta Phys.Pol. B34, 1901 (2003)

W.J.Swiatecki

On nuclear molecules built up from ¹³²Sn components

NUCLEAR STRUCTURE ²⁶⁴Fm; calculated quasi-molecular states features.

2002NI10 Phys.Rev.Lett. 89, 039901 (2002); see also 1999Ni03

V.Ninov, K.E.Gregorich, W.Loveland, A.Ghiorso, D.C.Hoffman, D.M.Lee, H.Nitsche, W.J.Swiatecki, U.W.Kirbach, C.A.Laue, J.L.Adams, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk

Editorial Note: Observation of Superheavy Nuclei Produced in the Reaction of ⁸⁶Kr with ²⁰⁸Pb

doi: 10.1103/PhysRevLett.89.039901
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2002WA24 Phys.Rev. C66, 024317 (2002)

D.Ward, R.M.Diamond, W.J.Swiatecki, R.M.Clark, M.Cromaz, M.A.Deleplanque, P.Fallon, A.Goergen, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, W.Myers, F.S.Stephens, C.E.Svensson, K.Vetter

Search for the Jacobi shape transition in rapidly rotating nuclei

NUCLEAR REACTIONS ⁵⁰Ti, ⁶⁴Ni, ⁹⁶Zr, ¹²⁴Sn(⁴⁸Ca, xnypzα), E=195-215 MeV; measured Eγ, Iγ, γγ-coin, multiplicities; deduced quasicontinuum spectrum features, moment of inertia vs angular momentum, possible Jacobi shape transition. ⁹¹Nb, ¹⁰⁸Cd, ¹⁴⁰Nd, ¹⁶⁸Yb; deduced collective E2 bump centroids. Gammasphere and 8PI arrays.

doi: 10.1103/PhysRevC.66.024317
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2001MY01 Phys.Rev. C63, 034318 (2001)