NSR Query Results

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NSR database version of April 27, 2024.

Search: Author = R.B.Chadwick

Found 7 matches.

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1990HA02      Phys.Rev. C41, 618 (1990)

H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, D.C.Hoffman, C.E.A.Palmer, P.A.Baisden

Electron-Capture-Delayed Fission Properties of ²³⁴Am

RADIOACTIVITY ²³⁴Am(EC) [from ²³⁷Np(α, 7n), E=75 MeV]; measured EC-delayed fission T_1/2, probability, (X-ray)(fragment)-correlation, (X-ray)γ-coin, Eγ, Iγ, Eα, Iα; deduced α-branching. Rotating wheel system.

NUCLEAR REACTIONS ²³⁷Np(α, 7n), E=75 MeV; measured X-ray spectra; deduced residual production σ.

doi: 10.1103/PhysRevC.41.618
Citations: PlumX Metrics

1990HA28      Phys.Rev. C42, 1480 (1990)

H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, N.J.Hannink, D.M.Lee, M.J.Nurmia, D.C.Hoffman, C.E.A.Palmer, P.A.Baisden

Electron-Capture-Delayed Fission Properties of ²³²Am

RADIOACTIVITY ²³²Am(EC) [from ²³⁷Np(α, 9n), E=99 MeV]; measured EC-delayed fission T_1/2, (fragment)(X-ray)-, (fragment)γ-coin; deduced delayed-fission probability. Multiple ²³⁷Np targets, rotating wheel system.

NUCLEAR REACTIONS, ICPND ²³⁷Np(α, 9n), E=99 MeV; measured (particle)(X-ray)-, (particle)(γ)-coin following residue fission; deduced residue production σ.

doi: 10.1103/PhysRevC.42.1480
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14631.

1990HO03      Phys.Rev. C41, 631 (1990)

D.C.Hoffman, D.M.Lee, K.E.Gregorich, M.J.Nurmia, R.B.Chadwick, K.B.Chen, K.R.Czerwinski, C.M.Gannett, H.L.Hall, R.A.Henderson, B.Kadkhodayan, S.A.Kreek, J.D.Leyba

Spontaneous Fission Properties of 2.9-s ²⁵⁶No

RADIOACTIVITY ²⁵⁶No(α), (SF) [from ²⁴⁸Cm(¹²C, X), E=71 MeV]; measured T_1/2, Eα, Qα, α/SF ratio, (fragment)(fragment) kinetic energies, total kinetic energy distribution; deduced fragment mass distributions.

NUCLEAR REACTIONS, ICPND ²⁴⁸Cm(¹²C, 4n), E=71 MeV; measured Eα, Iα; deduced residual production σ.

doi: 10.1103/PhysRevC.41.631
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14055.

1990LE09      Phys.Rev. C41, 2092 (1990)

J.D.Leyba, R.A.Henderson, H.L.Hall, C.M.Gannett, R.B.Chadwick, K.R.Czerwinski, B.A.Kadkhodayan, S.A.Kreek, G.R.Haynes, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman

Heavy Actinide Production from the Interactions of ⁴⁰Ar with ²⁴⁸Cm and a Comparison with the ⁴⁴Ca-²⁴⁸Cm System

NUCLEAR REACTIONS, ICPND ²⁴⁸Cm(⁴⁰Ar, X), E=207, 225, 245, 266, 286 MeV; measured σ(E) for production of Bk, Cf, Es, Fm Isotopes. Radiochemical separations.

doi: 10.1103/PhysRevC.41.2092
Citations: PlumX Metrics

1989HA27      Nucl.Phys. A500, 90 (1989)

Y.Hatsukawa, T.Ohtsuki, K.Sueki, H.Nakahara, I.Kohno, M.Magara, N.Shinohara, H.L.Hall, R.A.Henderson, C.M.Gannett, J.A.Leyba, R.B.Chadwick, K.E.Gregorich, D.Lee, M.J.Nurmia, D.C.Hoffman

Alpha Decay Properties of Light Einsteinium Isotopes

RADIOACTIVITY ^{249,248,247,246,245,243}Es(α) [from ²⁴⁹Cf(p, xn), ²³⁸U(¹⁴N, xn), ²³⁷Np(¹²C, xn), ²³³U(¹⁴N, xn)]; measured T_1/2, Eα, Iα. ^{245,243,241,239}Bk deduced levels, J, π, moment of inertia. Calculated α transition probability.

doi: 10.1016/0375-9474(89)90131-0
Citations: PlumX Metrics

1989HA37      Phys.Rev.Lett. 63, 2548 (1989)

H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, D.C.Hoffmann

Direct Proof of Electron-Capture-Delayed-Fission Process

RADIOACTIVITY ²³⁴Am(EC), (β⁺) [from ²³⁷Np(α, X), E=70-73 MeV]; measured delayed fission (K X-ray)-, fission (fragment)(γ)-coin; deduced T_1/2, evidence for (EC)-delayed fission process. ²³⁴Pu levels deduced I(K X-ray).

doi: 10.1103/PhysRevLett.63.2548
Citations: PlumX Metrics

1988GR30      Radiochim.Acta 43, 223 (1988)

K.E.Gregorich, R.A.Henderson, D.M.Lee, M.J.Nurmia, R.M.Chasteler, H.L.Hall, D.A.Bennett, C.M.Gannett, R.B.Chadwick, J.D.Leyba, D.C.Hoffman, G.Herrmann

Aqueous Chemistry of Element 105

NUCLEAR REACTIONS ²⁴⁹Bk(¹⁸O, 5n), E=117 MeV; measured α-spectra following residual decay; deduced ²⁶²Db fission branch, fission, α-activity production σ.

RADIOACTIVITY ²⁶²Db(α), (SF) [from ²⁴⁹Bk(¹⁸O, 5n), E=117 MeV]; ²⁵⁸Lr [from ²⁶²Db decay]; measured Eα, Iα, αα(t). ²⁶²Db deduced fission branch.