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NSR database version of April 27, 2024.

Search: Author = R.Welch

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1988WE12      Nucl.Instrum.Methods Phys.Res. A269, 615 (1988)

R.B.Welch, F.Gyger, D.T.Jost, H.R.Von Gunten, U.Krahenbuhl

NEWFIT, a Computer Program for the Analysis of Alpha, X-Ray and Gamma-Ray Spectra

NUCLEAR STRUCTURE ¹⁵²Eu, ⁷⁶As, ¹²²Sb; calculated γ-spectra. ^208,209,210Po, ^240,239Pu, ^248,250,252Cf; calculated α-spectra. New computer code.

doi: 10.1016/0168-9002(88)90142-8
Citations: PlumX Metrics

1987CH30      Phys.Rev. C36, 1820 (1987)

R.M.Chasteler, R.A.Henderson, D.Lee, K.E.Gregorich, M.J.Nurmia, R.B.Welch, D.C.Hoffman

Excitation Functions for Production of Heavy Actinides from Interactions of ¹⁶O with ²⁴⁹Cf

NUCLEAR REACTIONS, ICPND ²⁴⁹Cf(¹⁶O, X)²⁴⁴Bk/²⁴⁵Bk/²⁴⁶Bk/²⁴⁸Bk/^248mBk/²⁴⁷Cf/²⁴⁸Cf/²⁴⁸Es/²⁴⁹Es/²⁵⁰Es/²⁵¹Es/²⁵³Es/²⁵⁰Fm/²⁵¹Fm/²⁵²Fm/²⁵³Fm/²⁵⁴Fm/²⁵⁶Fm, E=90, 96, 106, 115, 122, 139, 150 MeV; measured residual production σ(E), isotopic distributions.

doi: 10.1103/PhysRevC.36.1820
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0410.

1987GR13      Phys.Rev. C35, 2117 (1987)

K.E.Gregorich, K.J.Moody, D.Lee, W.K.Kot, R.B.Welch, P.A.Wilmarth, G.T.Seaborg

Actinide Production in ¹³⁶Xe Bombardments of ²⁴⁹Cf

NUCLEAR REACTIONS ²⁴⁹Cf(¹³⁶Xe, X)²³⁴Np/²³⁶Np/²³⁸Np/²³⁹Np/²⁴⁰Np/²⁴³Pu/²⁴⁵Pu/²⁴⁶Pu/²³⁹Am/²⁴⁰Am/²⁴²Am/²⁴⁴Am/²⁴⁵Am/²⁴⁶Am/²⁴⁷Am/²⁴⁹Cm/²⁴⁴Bk/²⁴⁵Bk/²⁴⁶Bk/²⁴⁸Bk/²⁴⁹Bk/²⁵⁰Bk/²⁵¹Bk/²⁴⁵Cf/²⁴⁶Cf/²⁴⁷Cf/²⁴⁸Cf/²⁵³Cf/²⁴⁸Es/²⁴⁹Es/²⁵⁰Es/²⁵¹Es/²⁵²Es/²⁵³Es/²⁵⁴Es/²⁵⁵Es/²⁵⁶Es/²⁵⁰Fm/²⁵¹Fm/²⁵²Fm/²⁵³Fm/²⁵⁴Fm/²⁵⁶Fm/²⁵⁶Md, E=749, 813, 877 MeV; measured residue σ(E). Ge, Ge(Li) detectors, activation technique.

doi: 10.1103/PhysRevC.35.2117
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2558.

1987WE01      Phys.Rev. C35, 204 (1987)

R.B.Welch, K.J.Moody, K.E.Gregorich, D.Lee, G.T.Seaborg

Dependence of Actinide Production on the Mass Number of Projectile: Xe + ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(¹²⁹Xe, X)²³⁸Np/²³⁹Np/²⁴³Pu/²⁴⁵Pu/²⁴⁶Pu/²³⁹Am/²⁴⁰Am/²⁴²Am/²⁴⁴Am/²⁴⁵Am/²⁴⁶Am/²⁴⁷Am/²⁴⁹Cm/²⁴⁵Bk/²⁴⁶Bk/²⁴⁸Bk/²⁵⁰Bk/²⁵¹Bk/²⁴⁵Cf/²⁴⁶Cf/²⁴⁷Cf/²⁴⁸Cf/²⁵⁰Cf/²⁵²Cf/²⁵³Cf/²⁵⁰Es/²⁵¹Es/²⁵²Es/²⁵³Es/²⁵⁴Es/^254mEs/²⁵⁵Es/²⁵²Fm/²⁵³Fm/²⁵⁴Fm/²⁵⁵Fm/²⁵⁶Fm, E=769-791 MeV; ²⁴⁸Cm(¹³²Xe, X)²³⁸Np/²³⁹Np/²⁴³Pu/²⁴⁵Pu/²⁴⁶Pu/²³⁹Am/²⁴⁰Am/²⁴²Am/²⁴⁴Am/²⁴⁵Am/²⁴⁶Am/²⁴⁷Am/²⁴⁹Cm/²⁴⁵Bk/²⁴⁶Bk/²⁴⁸Bk/²⁵⁰Bk/²⁵¹Bk/²⁴⁵Cf/²⁴⁶Cf/²⁴⁷Cf/²⁴⁸Cf/²⁵⁰Cf/²⁵²Cf/²⁵³Cf/²⁵⁰Es/²⁵¹Es/²⁵²Es/²⁵³Es/²⁵⁴Es/^254mEs/²⁵⁵Es/²⁵²Fm/²⁵³Fm/²⁵⁴Fm/²⁵⁵Fm/²⁵⁶Fm, E=793-817 MeV; measured residual production σ. Enriched target, radiochemical techniques. Quasielastic, deep inelastic transfer mechanisms.

doi: 10.1103/PhysRevC.35.204
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2556.

1986GA06      Phys.Rev. C33, 1983 (1986)

H.Gaggeler, W.Bruchle, M.Brugger, M.Schadel, K.Summerer, G.Wirth, J.V.Kratz, M.Lerch, Th.Blaich, G.Herrmann, N.Hildebrand, N.Trautmann, D.Lee, K.J.Moody, K.E.Gregorich, R.B.Welch, G.T.Seaborg, D.C.Hoffman, W.R.Daniels, M.M.Fowler, H.R.von Gunten

Production of Cold Target-Like Fragments in the Reaction of ⁴⁸Ca + ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(Ca, X)²¹⁰Rn/²¹¹Rn/²¹²Rn/²¹⁹Rn/²²⁰Rn/²²¹Rn/²²²Rn/²²¹Ra/²²²Ra/²²³Ra/²²³Ac/²²⁴Ac/²²⁵Ac/²²⁶Ac/²²⁵Th/²²⁶Th/²²⁷Th/²²⁸Th/²³⁰U/²³⁷U/²³⁶Pu/²³⁸Pu/²⁴³Pu/²⁴⁵Pu/²⁴⁶Pu, E=248-263 MeV; measured residuals yields, σ vs mass; deduced production mechanism.

doi: 10.1103/PhysRevC.33.1983
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2553.

1986MO06      Phys.Rev. C33, 1315 (1986)

K.J.Moody, D.Lee, R.B.Welch, K.E.Gregorich, G.T.Seaborg, R.W.Lougheed, E.K.Hulet

Actinide Production in Reactions of Heavy Ions with ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(¹⁶O, X), E=96.5 MeV; ²⁴⁸Cm(¹³⁶Xe, X), E=699-790 MeV; ²⁴⁸Cm(⁸⁶Kr, X), E=493-546 MeV; measured actinide (²³²Pa-²⁵⁶Fm) yields; deduced optimum reactions.

doi: 10.1103/PhysRevC.33.1315
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2552.

1985AR02      Phys.Rev.Lett. 54, 406 (1985)

P.Armbruster, Y.K.Agarwal, W.Bruchle, M.Brugger, J.P.Dufour, H.Gaggeler, F.P.Hessberger, S.Hofmann, P.Lemmertz, G.Munzenberg, K.Poppensieker, W.Reisdorf, M.Schadel, K.-H.Schmidt, J.H.R.Schneider, W.F.W.Schneider, K.Summerer, D.Vermeulen, G.Wirth, A.Ghiorso, K.E.Gregorich, D.Lee, M.Leino, K.J.Moody, G.T.Seaborg, R.B.Welch, P.Wilmarth, S.Yashita, C.Frink, N.Greulich, G.Herrmann, U.Hickmann, N.Hildebrand, J.V.Kratz, N.Trautmann, M.M.Fowler, D.C.Hoffman, W.R.Daniels, H.R.von Gunten, H.Dornhofer

Attempts to Produce Superheavy Elements by Fusion of ⁴⁸Ca with ²⁴⁸Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, X), E=4.5-5.2 MeV/nucleon; measured superheavy production σ upper limits vs T_1/2. Different separation techniques.

doi: 10.1103/PhysRevLett.54.406
Citations: PlumX Metrics

1985HO13      Phys.Rev. C31, 1763 (1985)

D.C.Hoffman, M.M.Fowler, W.R.Daniels, H.R.von Gunten, D.Lee, K.J.Moody, K.Gregorich, R.Welch, G.T.Seaborg, W.Bruchle, M.Brugger, H.Gaggeler, M.Schadel, K.Summerer, G.Wirth, Th.Blaich, G.Herrmann, N.Hildebrand, J.V.Kratz, M.Lerch, N.Trautmann

Excitation Functions for Production of Heavy Actinides from Interactions of ⁴⁰Ca and ⁴⁸Ca Ions with ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁰Ca, X)²⁴⁴Bk/²⁴⁵Bk/²⁴⁶Bk/²⁴⁸Bk/^248mBk/²⁵⁰Bk/²⁴⁵Cf/²⁴⁶Cf/²⁴⁸Cf/²⁵⁰Cf/²⁵²Cf/²⁴⁹Es/²⁵⁰Es/²⁵²Es/²⁵³Es/²⁵⁴Es/^254mEs/²⁵⁰Fm/²⁵¹Fm/²⁵²Fm/²⁵⁴Fm/²⁵⁶Fm, E=221-294 MeV; ²⁴⁸Cm(⁴⁸Ca, X)²⁴⁵Bk/²⁴⁶Bk/²⁴⁸Bk/^248mBk/²⁵⁰Bk/²⁴⁶Cf/²⁴⁸Cf/²⁵⁰Cf/²⁵²Cf/²⁵³Cf/²⁵⁴Cf/²⁵⁰Es/²⁵²Es/²⁵³Es/²⁵⁴Es/^254mEs/²⁵²Fm/²⁵⁴Fm/²⁵⁵Fm/²⁵⁶Fm, E=223-318 MeV; measured residuals production σ(E).

doi: 10.1103/PhysRevC.31.1763
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2551.

Note: The following list of authors and aliases matches the search parameter R.Welch: , R.B.WELCH