Nuclear Science References (NSR)

Experimental studies of the ²⁴⁹Bk+⁴⁸Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope ²⁷⁷Mt

NUCLEAR REACTIONS ²⁴⁹Bk(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E=243.7, 255.7, 259.8 MeV; measured σ(E) for production of ^293,294Ts using DGFRS separator at FLNR, JINR facility. Comparison with theoretical calculations.

RADIOACTIVITY ^293,294Ts, ^289,290Mc, ^285,286Nh, ^281,282Rg, ²⁷⁸Mt, ²⁷⁴Bh(α)[from α decay chains of ²⁹³Ts and ²⁹⁴Ts formed in ²⁴⁹Bk(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E=243.7, 255.7, 259.8 MeV]; measured Eα, Iα, half-lives. ²⁷⁰Db, ²⁷⁷Mt, ²⁸¹Rg(SF); measured decay energy, half-lives. ²⁸¹Rg(α), (SF); measured α/SF branching ratio. ²⁷⁷Mt; identified new isotope. Systematics of Q(α), SF- and α-decay half-lives for isotopes in Z=104-117, N=150-177 regions.

doi: 10.1103/PhysRevC.87.054621
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2012OG06 Phys.Rev.Lett. 109, 162501 (2012)

Production and Decay of the Heaviest Nuclei ^{293, 294}117 and ²⁹⁴118

NUCLEAR REACTIONS ²⁴⁹Bk(⁴⁸Ca, X)²⁹³Ts/²⁹⁴Ts, E=247, 252 MeV; ²⁴⁹Cf(⁴⁸Ca, 3n)²⁹⁴Og, E=245, 251 MeV; measured reaction products, Eα, Iα; deduced average σ, T_1/2. Comparison with available data.

RADIOACTIVITY ²⁹⁴Og, ^293,294Ts, ²⁹⁰Lv, ^289,290Mc(α), ²⁸⁶Fl(α), (SF), ^285,286Nh(α), ²⁸²Cn(SF), ²⁸¹Rg(SF), ²⁸²Rg(α), ²⁷⁸Mt, ²⁷⁴Bh(α), ²⁷⁰Db(SF); measured decay products, Eα, Iα; deduced discovery z=117 element, T_1/2, decay branch, Q-values. Comparison with available data.

doi: 10.1103/PhysRevLett.109.162501
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1997MI09 Appl.Radiat.Isot. 48, 441 (1997)

S.Mirzadeh, F.F.Knapp, Jr., C.W.Alexander, L.F.Mausner

Evaluation of Neutron Inelastic Scattering for Radioisotope Production

NUCLEAR REACTIONS ^117,119Sn, ¹⁹⁵Pt(n, n'), ¹⁹⁴Pt, ¹¹⁶Sn(n, γ), ^118,120Sn(n, 2n), ¹⁹⁶Pt(n, 2n), E=reactor; measured isomer production σ; deduced inelastic scattering, neutron scattering, capture production differences.

doi: 10.1016/S0969-8043(96)00284-9
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1997NI08 Nucl.Phys. A621, 113c (1997)

L.R.Nittler, C.M.O.D.Alexander, X.Gao, R.M.Walker, E.Zinner

Presolar Al₂O₃ Grains as Probes of Stellar Nucleosynthesis and Galactic Chemical Evolution

doi: 10.1016/S0375-9474(97)00220-0
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1990MA09 Nucl.Sci.Eng. 104, 258 (1990)

R.L.Macklin, C.W.Alexander

Neutron Absorption Cross Section of ²³⁶U

NUCLEAR REACTIONS ²³⁶U(n, X), E=20 eV-1 MeV; measured absorption σ(E). ²³⁷U deduced resonance Γn, other parameters.

doi: 10.13182/NSE90-A23724
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1987AL01 Nucl.Sci.Eng. 95, 194 (1987)

C.W.Alexander, J.Halperin, J.B.Knauer, R.L.Walker

The Thermal Neutron Capture Cross Sections and Resonance Integrals of ¹⁴⁴Sm and ¹⁴⁵Sm

NUCLEAR REACTIONS ^144,145Sm(n, γ), E=thermal; measured capture σ, resonance integrals. Mass spectrographic assays.

doi: 10.13182/NSE87-A20448
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13108.

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