NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = R.R.Winters Found 41 matches. 2001KO76 Phys.Rev. C64, 065802 (2001) P.E.Koehler, J.A.Harvey, R.R.Winters, K.H.Guber, R.R.Spencer High-Resolution Neutron Capture and Transmission Measurements for 116, 120Sn, and Their Stellar Neutron-Capture Cross Sections at s-Process Temperatures NUCLEAR REACTIONS 116,120Sn(n, γ), (n, X), E=0.05-500 keV; measured total and capture σ; deduced resonance parameters, astrophysical reaction rates. Comparison with previous results.
doi: 10.1103/PhysRevC.64.065802
2000KO58 Phys.Rev. C62, 055803 (2000); Erratum Phys.Rev. C63, 049901 (2001) P.E.Koehler, R.R.Winters, K.H.Guber, T.Rauscher, J.A.Harvey, S.Raman, R.R.Spencer, J.C.Blackmon, D.C.Larson, D.W.Bardayan, T.A.Lewis High-Resolution Neutron Capture and Transmission Measurements, and the Stellar Neutron-Capture Cross Section of 88Sr NUCLEAR REACTIONS 88Sr(n, γ), (n, X), E=0.1-950 keV; measured Eγ, Iγ, capture and total σ; deduced resonance parameters, astrophysical reaction rates. R-matrix analysis, comparisons with previous results.
doi: 10.1103/PhysRevC.62.055803
1998KO07 Phys.Rev. C57, R1558 (1998) P.E.Koehler, R.R.Spencer, K.H.Guber, R.R.Winters, S.Raman, J.A.Harvey N.W.Hill, J.C.Blackmon, D.W.Bardayan, D.C.Larson, T.A.Lewis, D.E.Pierce, M.S.Smith High Resolution Neutron Capture and Transmission Measurements on 137Ba and Their Impact on the Interpretation of Meteoric Barium Anomalies NUCLEAR REACTIONS 137Ba(n, γ), E=20 eV-500 keV; measured capture σ(E); deduced astrophysical reaction rates. Comparison with meteorite isotopic abundances.
doi: 10.1103/PhysRevC.57.R1558
1997GU04 Phys.Rev.Lett. 78, 2704 (1997) K.H.Guber, R.R.Spencer, P.E.Koehler, R.R.Winters New 142,144Nd(n, γ) Cross Sections and the s-Process Origin of the Nd Anomalies in Presolar Meteoric Silicon Carbide Grains NUCLEAR REACTIONS 142,144Nd(n, γ), E=5-50 keV; measured Maxwellian averaged σ; deduced s-process nucleosyntheis related features in the Ce-Nd-Sm region.
doi: 10.1103/PhysRevLett.78.2704
1997GU15 Nucl.Phys. A621, 254c (1997) K.H.Guber, R.R.Spencer, P.E.Koehler, R.R.Winters A BaF2 Detector System for (n, γ) Cross Section Measurements at ORELA NUCLEAR REACTIONS 142Nd(n, γ), E=2-3 keV; measured neutron tof vs Eγ, multiplicity. 144Nd, 197Au(n, γ), E=1-2 keV; measured tof spectra; deduced detector characteristics. 4π BaF2 detector array.
doi: 10.1016/S0375-9474(97)00249-2
1997GU16 Nucl.Phys. A621, 266c (1997) K.H.Guber, R.R.Spencer, P.E.Koehler, R.R.Winters Measurements of 142,144Nd(n, γ) Cross Sections at ORELA for Astrophysical s-Process Studies NUCLEAR REACTIONS 142,144Nd(n, γ), E < 200 keV; measured σ; deduced reaction rates. Astrophysical s-process implications.
doi: 10.1016/S0375-9474(97)00252-2
1997KO35 Nucl.Phys. A621, 258c (1997) P.E.Koehler, R.R.Spencer, R.R.Winters, K.H.Guber, J.A.Harvey, N.W.Hill, M.S.Smith New Neutron Capture and Transmission Measurements for 134,136Ba at ORELA and Their Impact on s-Process Nucleosynthesis Calculations NUCLEAR REACTIONS 134,136Ba(n, γ), E < 500 keV; measured σ; deduced reaction rates. Other data compared, astrophysical s-process implications.
doi: 10.1016/S0375-9474(97)00250-9
1996KO27 Phys.Rev. C54, 1463 (1996) P.E.Koehler, R.R.Spencer, R.R.Winters, K.H.Guber, J.A.Harvey, N.W.Hill, M.S.Smith Resonance Neutron Capture and Transmission Measurements and the Stellar Neutron Capture Cross Sections of 134Ba and 136Ba NUCLEAR REACTIONS 134,136Ba(n, γ), (n, X), E=20 eV-500 keV; measured capture σ(E), transmission; deduced σ vs E; calculated astrophysical reaction rates. 135,137Ba levels deduced l, J, π, Γn, Γγ, (gΓnΓγ)/Γ. Enriched targets. R-matrix analysis.
doi: 10.1103/PhysRevC.54.1463
1992BE27 Astrophys.J.Suppl.Ser. 80, 403 (1992) On the Calculation of Maxwellian-Averaged Capture Cross Sections NUCLEAR STRUCTURE A=36-207; calculated Maxwellian-averaged σ vs kT for capture (n, γ) on targets in this mass range. Resolved, unresolved resonances.
doi: 10.1086/191669
1991JO08 Phys.Rev. C44, 657 (1991) C.H.Johnson, R.F.Carlton, R.R.Winters Evidence for Parity Dependence in the Neutron-40Ar Optical Model Potential NUCLEAR REACTIONS 40Ar(n, n), E < 40 MeV; analyzed data; deduced model parameters, potential parity dependence. Dispersive optical model.
doi: 10.1103/PhysRevC.44.657
1991WI02 Phys.Rev. C43, 492 (1991) R.R.Winters, R.F.Carlton, C.H.Johnson, N.W.Hill, M.R.Lacerna Total Cross Section and Neutron Resonance Spectroscopy for n + 40Ar NUCLEAR REACTIONS 40Ar(n, n), E=0.007-50 MeV; measured σ(E). 41Ar deduced resonances, J, π, (gΓn), reduced widths, strength functions. R-matrix analysis.
doi: 10.1103/PhysRevC.43.492
1989JO01 Phys.Rev. C39, 415 (1989) C.H.Johnson, R.F.Carlton, R.R.Winters Extrapolation of the Dispersive Optical Model to the Resonance Region for Neutrons on 86Kr NUCLEAR REACTIONS 86Kr(n, n), E ≤ 1 MeV; analyzed σ(E); deduced optical model parameter.
doi: 10.1103/PhysRevC.39.415
1989MA65 Astron.Astrophys. 216, 109 (1989) R.L.Macklin, R.R.Winters, D.M.Schmidt Resonance neutron capture by argon-40 NUCLEAR REACTIONS 40Ar(n, γ), E<150 keV; measured reaction products, Eγ, Iγ; deduced neutron capture yields, neutron resonance parameters, Maxwellian-averaged σ. Comparison with calculations. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13140. 1989MC06 Phys.Rev. C40, 591 (1989) M.T.McEllistrem, R.R.Winters, R.L.Hershberger, Z.Cao, R.L.Macklin, N.W.Hill Neutron Scattering in 189Os for Nucleosynthesis Rates of the Odd-A Os Isotopes and Nucleochronology NUCLEAR REACTIONS 189Os(n, n), (n, n'), E=0.06-0.10 MeV; measured neutron yield vs E; deduced nucleosynthesis rates, duration for 187Os, optical model parameters. 187,189Os deduced dipole resonance parameters. Other data input.
doi: 10.1103/PhysRevC.40.591
1988CA17 Phys.Rev. C38, 1605 (1988); Erratum Phys.Rev. C39, 1646 (1989) R.F.Carlton, R.R.Winters, C.H.Johnson, N.W.Hill, J.A.Harvey Total Cross Section and Resonance Spectroscopy for n + 86Kr NUCLEAR REACTIONS 86Kr(n, X), E=0.015-1 MeV; measured transmission; deduced σ(E). 87Kr deduced resonances, L, J, (gΓn), (g(γ(λn))2).
doi: 10.1103/PhysRevC.38.1605
1988JO05 Phys.Rev. C37, 2340 (1988) Evidence for State Dependence of the Imaginary Part of the Empirical Optical Potential NUCLEAR REACTIONS 208Pb(n, n), E=10 MeV; 89Y(n, n), E=5 MeV; calculated optical potential; deduced imaginary term shape dependence.
doi: 10.1103/PhysRevC.37.2340
1988WI14 Astrophys.J. 329, 943 (1988) Resonance Neutron Capture by 20,22Ne in Stellar Environments NUCLEAR REACTIONS 20,22Ne(n, γ), E=2.5-200 keV; measured resonance capture yield vs E; deduced effective σ(E), Maxwellian averaged σ. 21,23Ne deduced resonances, Γγ, (gΓn).
doi: 10.1086/166438
1987WI02 Astrophys.J. 313, 808 (1987) Maxwellian-Averaged Neutron Capture Cross Sections for 99Tc and 95-98Mo NUCLEAR REACTIONS 99Tc, 95,96,97,98Mo(n, γ), E=5-100 keV; analyzed Maxwellian averaged capture σ; deduced astrophysical Tc, Mo abundances information.
doi: 10.1086/165019
1987WI20 Astron.Astrophys. 171, 9 (1987) R.R.Winters, R.L.Macklin, R.L.Hershberger The 189Os(n, γ) cross section and implications for the duration of stellar nucleosynthesis NUCLEAR REACTIONS 198Os(n, γ), E=0.2-500 keV; measured σ; deduced resonance parameters. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14120. 1986WI02 Astrophys.J. 300, 41 (1986) R.R.Winters, F.Kappeler, K.Wisshak, A.Mengoni, G.Reffo 148,150Sm: A test for s-process nucleosynthesis NUCLEAR REACTIONS 148,149,150Sm(n, γ), E=4-250 keV; measured σ(E); deduced Maxwellian < σ >, parameters, s-process neutron density. 148,150Sm deduced s-process current ratio.
doi: 10.1086/163781
1986WI09 Phys.Rev. C34, 840 (1986) R.R.Winters, R.F.Carlton, J.A.Harvey, N.W.Hill Spherical Optical Model Potential for the Re/Os Stellar Nucleosynthesis Chronometer from s-Wave Neutrons on 186,187,188Os NUCLEAR REACTIONS 186,188Os(n, X), E=27-1000 eV; 187Os(n, X), E=27-140 eV; measured transmission; deduced Re/Os chronometer stellar nucleosynthesis duration, age of universe. 187,188,189Os deduced resonances, Γn, L, <D>, average reduced width. R-matrix analysis, spherical optical model.
doi: 10.1103/PhysRevC.34.840
1985WI02 Phys.Rev. C31, 384 (1985) R.R.Winters, C.H.Johnson, A.D.MacKellar Optical Model for Low-Energy Neutrons on 60Ni NUCLEAR REACTIONS 60Ni(n, n), E=1-450 keV; analyzed σ(E); deduced optical model parameters.
doi: 10.1103/PhysRevC.31.384
1983JO01 Phys.Rev. C27, 416 (1983) Average Scattering Matrix Elements from High Resolution Neutron Total Cross Sections for 32S NUCLEAR REACTIONS 32S(n, n), E=25-1100 keV; analyzed data; deduced s-, p-wave optical model parameters.
doi: 10.1103/PhysRevC.27.416
1983JO07 Phys.Rev. C27, 1913 (1983) C.H.Johnson, N.M.Larson, C.Mahaux, R.R.Winters Calculation of the Energy-Averaged Scattering Function from High Resolution Low-Energy Neutron Scattering Data NUCLEAR REACTIONS 32S(n, n), E ≈ 0.2-0.9 MeV; calculated σ(compound nucleus), σ(shape elastic) vs E. Optical model scattering function, energy averaging, p-wave neutrons.
doi: 10.1103/PhysRevC.27.1913
1983MA65 Astrophys.J. 274, 408 (1983) R.L.Macklin, R.R.Winters, N.W.Hill, J.A.Harvey 187Os(n, n') Inelastic Cross Section at 34 keV NUCLEAR REACTIONS 187Os(n, n'), E=34 keV; measured σ; deduced r-process galactic age, Re-Os decay chronometer implications. Pulsed tof, anisotropic iron-aluminum filter.
doi: 10.1086/161456
1983PE06 Phys.Rev. C27, 2556 (1983) C.M.Perey, J.A.Harvey, R.L.Macklin, F.G.Perey, R.R.Winters Resonance Parameters of 60Ni + n from Measurements of Transmission and Capture Yields from 1 to 450 keV NUCLEAR REACTIONS 60Ni(n, n), (n, X), E=1-452 keV; measured transmission, σ(E); 60Ni(n, γ), E=2.5-452 keV; measured capture σ(E). 61Ni deduced s-wave resonances, L, J, Γγ, < Γγ >, gΓn, strength function, average level spacing, (gΓnΓγ/Γ). NUCLEAR STRUCTURE 61Ni; calculated level density, n-, γ-channel correlation coefficient.
doi: 10.1103/PhysRevC.27.2556
1982WI01 Phys.Rev. C25, 208 (1982) Average 186,187,188Os(n, γ) Cross Sections and the Age of the Galaxy via 187Re Decay to 187Os NUCLEAR REACTIONS 186,187,188Os(n, γ), E=2.5-450 keV; 187Os(n, n'), E=30 keV; analyzed data; deduced r-process nucleosynthesis duration, galaxy, universe ages.
doi: 10.1103/PhysRevC.25.208
1981MA44 Nucl.Sci.Eng. 78, 110 (1981) Stable Isotope Capture Cross Sections from the Oak Ridge Electron Linear Accelerator NUCLEAR REACTIONS 24,25,26Mg, 32,33S, 51V, 55Mn, 63,65Cu, 64,66,68Zn, 93Nb, 92,100Mo, 100,101,102,104Ru(n, γ), E not given; analyzed data; deduced σ corrections. NUCLEAR REACTIONS 104,105,106,108,110Pd, 165Ho, 232Th(n, γ), E=3-700 keV; analyzed previous data; deduced average σ.
doi: 10.13182/NSE81-A19622
1981WI02 Nucl.Sci.Eng. 78, 147 (1981) R.R.Winters, N.W.Hill, R.L.Macklin, J.A.Harvey, D.K.Olsen, G.L.Morgan Uranium-238 Inelastic Neutron Scattering at 82 keV NUCLEAR REACTIONS 238U(n, n'), E=82 keV; measured σ(θ), integrated σ. Legendre polynomial analysis, statistical, optical model calculations.
doi: 10.13182/NSE81-A20100
1980HA04 Phys.Rev. C21, 545 (1980) J.Halperin, C.H.Johnson, R.R.Winters, R.L.Macklin Resonance Structure of 32S + n from Measurements of Neutron Total and Capture Cross Sections NUCLEAR REACTIONS 32S(n, n), E=25-1100 keV; 32S(n, γ), E=2.5-1100 keV; measured total σ(E). 33S deduced resonances, L, J, π, Γn, Γγ, resonance parameters. Valency model.
doi: 10.1103/PhysRevC.21.545
1980JO04 Phys.Rev. C21, 2190 (1980) Neutron Total Cross Section of Sulfur: Single Level to Multilevel to Optical Model NUCLEAR REACTIONS 32S(n, n), E=25-1100 keV; analyzed total σ(E); deduced optical model parameters. 33S deduced resonances, J, π, s-, p-strength functions. Single-, multilevel R-matrix, optical model analyses.
doi: 10.1103/PhysRevC.21.2190
1980WI03 Phys.Rev. C21, 563 (1980) R.R.Winters, R.L.Macklin, J.Halperin 186,187,188Os(n, γ) Cross Sections and Galactic Nucleosynthesis NUCLEAR REACTIONS 186,187,188Os(n, γ), E=2.6-800 keV; measured σ(E); deduced galactic nucleosynthesis duration. 187,188,189Os deduced p-wave, γ strength functions.
doi: 10.1103/PhysRevC.21.563
1979MA34 Nucl.Sci.Eng. 71, 182 (1979) R.L.Macklin, J.Halperin, R.R.Winters 104,105,106,108,110Pd(n, γ) Cross Sections Above 2.6 keV NUCLEAR REACTIONS 104,105,106,108,110Pd(n, γ), E=2.6-112 keV; measured σ(E). 105,106,107,108,111Pd deduced resonance parameters, strength functions.
doi: 10.13182/NSE79-A20409
1978WI08 Phys.Rev. C18, 2092 (1978) R.R.Winters, R.L.Macklin, J.Halperin 51V(n, γ) Reaction in the keV Incident Neutron Energy Range NUCLEAR REACTIONS 51V(n, γ), E=2.6-215 keV; measured σ(E). 52V deduced resonance parameters, associated statistics, resonance integral. Astrophysical significance.
doi: 10.1103/PhysRevC.18.2092
1977MA46 Astrophys.J. 217, 222 (1977) R.L.Macklin, J.Halperin, R.R.Winters Neutron Capture by 208Pb at Stellar Temperatures NUCLEAR REACTIONS 208Pb(n, γ), E<825 keV; measured reaction products, Eγ, Iγ; deduced σ, neutron resonance parameters, Maxwellian-averaged σ. Comparison with calculations.
doi: 10.1086/155572
1976BO34 Nucl.Phys. A269, 397 (1976) J.W.Boldeman, B.J.Allen, A.R.de L.Musgrove, R.L.Macklin, R.R.Winters Valence Neutron Capture in 88Sr NUCLEAR REACTIONS 88Sr(n, γ), E=3-400 keV; measured σ(n, γ). 89Sr deduced resonances, resonance parameters, correlation coefficient; compared measured valence component with valence theory. 6Li(n, α) monitor.
doi: 10.1016/0375-9474(76)90689-8
1975MA14 Phys.Rev. C11, 1270 (1975) R.L.Macklin, J.Halperin, R.R.Winters Gold Neutron-Capture Cross Section from 3 to 550 keV NUCLEAR REACTIONS 197Au(n, γ), E=3-550 keV; measured σ(E, Eγ). 198Au deduced resonances, parameters, strength functions, spacings.
doi: 10.1103/PhysRevC.11.1270
1973AL07 Phys.Rev. C7, 2598 (1973) B.J.Allen, R.L.Macklin, C.Y.Fu, R.R.Winters Comments on the Doorway State in 206Pb NUCLEAR REACTIONS 206Pb(n, γ), E=200-807 keV; measured σ(E). 207Pb deduced resonances, level-width.
doi: 10.1103/PhysRevC.7.2598
1973AL18 Phys.Rev. C8, 1504 (1973) B.J.Allen, R.L.Macklin, R.R.Winters, C.Y.Fu Neutron-Capture Cross Sections of the Stable Lead Isotopes NUCLEAR REACTIONS 204,206,207,208Pb(n, γ), E > 2.5 keV; measured σ(E;Eγ). 205,207,208,209Pb deduced resonances, level-width.
doi: 10.1103/PhysRevC.8.1504
1973MA14 Phys.Rev. C7, 1766 (1973) Neutron Capture in Fluorine below 1500 keV NUCLEAR REACTIONS 19F(n, γ), E=23-700 keV; measured σ(Eγ). 20F deduced resonances, level-width.
doi: 10.1103/PhysRevC.7.1766
1973WA09 Phys.Rev. C7, 1532 (1973) O.A.Wasson, B.J.Allen, R.R.Winters, R.L.Macklin, J.A.Harvey Neutron Resonance Parameters of 92Mo NUCLEAR REACTIONS 92Mo(n, X), E 32 keV; measured σ. 93Mo deduced resonances, level-width(n), level-width(γ), J, π.
doi: 10.1103/PhysRevC.7.1532
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