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NSR database version of April 27, 2024.

Search: Author = E.Swanberg

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2018PO07      Phys.Rev. C 97, 054310 (2018)

F.Ponce, E.Swanberg, J.Burke, R.Henderson, S.Friedrich

Accurate measurement of the first excited nuclear state in ²³⁵U

RADIOACTIVITY ^235mU(IT)[from ²³⁹Pu(α)]; measured Eγ, Iγ, and precise energy of the first excited state at 76 eV in ²³⁵U using superconducting tunnel junction detector with pulsed UV laser calibration. Comparison with previous experimental values. ^229mTh(IT); discussed adaptation of experimental approach towards measurement of first excited state at 7.8 eV in ²²⁹Th.

doi: 10.1103/PhysRevC.97.054310
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Data from this article have been entered in the XUNDL database. For more information, click here.

2013CZ01      Phys.Rev. C 87, 034613 (2013)

A.Czeszumska, C.T.Angell, J.T.Burke, N.D.Scielzo, E.B.Norman, R.A.E.Austin, G.Boutoux, R.J.Casperson, P.Chodash, R.O.Hughes, C.M.Mattoon, V.Meot, J.Munson, L.Phair, J.J.Ressler, O.Roig, T.J.Ross, E.Swanberg, B.Wang

Determining the ²³⁹Np(n, f) cross section using the surrogate ratio method

NUCLEAR REACTIONS ^236,238U(³He, pF), E=29 MeV; measured proton, deuteron, triton, ^3,4He spectra, fission events, fission anisotropies, particle-fission time-to-amplitude spectrum, (fission)p-coin using STARS array at LBNL cyclotron facility. ²³⁹Np(n, F), E=0.5-20 MeV; deduced cross section by surrogate ratio method. Comparison with ENDF/B-VII.0, JENDL-4.0, and CENDL-3.1 evaluated libraries. Impact on estimate of ²⁴⁰Pu produced during fuel burnup in calculations using reactor codes.

doi: 10.1103/PhysRevC.87.034613
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14360.

2011CH33      Appl.Radiat.Isot. 69, 1447 (2011)

P.Chodash, C.T.Angell, J.Benitez, E.B.Norman, M.Pedretti, H.Shugart, E.Swanberg, R.Yee

Measurement of excitation functions for the ^natMo(d, x)⁹⁹Mo and ^natMo(p, x)⁹⁹Mo reactions

NUCLEAR REACTIONS Mo(d, X)⁹⁹Mo, ¹⁰⁰Mo(p, X)⁹⁹Mo, Cu(p, X)⁶²Zn/⁶⁵Zn E=9.7-58.5 MeV; measured reaction products, Eγ, Iγ; deduced σ, thick target yields.

doi: 10.1016/j.apradiso.2011.05.013
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1871.

2011RE09      Phys.Rev. C 83, 054610 (2011)

J.J.Ressler, J.T.Burke, J.E.Escher, C.T.Angell, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, R.J.Casperson, B.L.Goldblum, J.Gostic, R.Hatarik, R.Henderson, R.O.Hughes, J.Munson, L.W.Phair, T.J.Ross, N.D.Scielzo, E.Swanberg, I.J.Thompson, M.Wiedeking

Surrogate measurement of the ²³⁸Pu(n, f) cross section

NUCLEAR REACTIONS ²³⁹Pu(α, α'F), ²³⁵U(α, α'F), ²³⁶U(α, α'F), E=20-55 MeV; measured particle and fission fragment spectra, α-fission coincidences, cross sections, fission fragment anisotropy ratios. ²³⁸Pu, ^234,235U(n, F), E=5-20 MeV; deduced fission cross sections using surrogate ratio method. Comparison with previous experimental data and evaluated libraries. Data needs for following reactions for next-generation reactors: ²⁴¹Pu, ^241,242Am, ^243,244,245Cm(n, F), E.1 MeV. Potential surrogate and ratio reactions listed.

doi: 10.1103/PhysRevC.83.054610
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14292.

2010AN15      Phys.Rev. C 82, 054310 (2010)

C.T.Angell, R.Yee, T.H.Joshi, E.Swanberg, E.B.Norman, C.L.Hicks, Jr., A.Klimenko, S.Korbly, C.Wilson, W.D.Kulp, G.A.Warren, T.H.Bray, R.Copping, P.A.Glans, T.Tyliszczak, D.K.Shuh

Nuclear resonance fluorescence of ²³⁷Np

NUCLEAR REACTIONS ²³⁷Np(γ, γ'), E=1.7-2.5 MeV; measured Eγ, Iγ, NRF-integrated cross sections. ²³⁷Np; deduced levels, B(M1) strength. Comparison with NRF-integrated cross sections in ²³⁵U and ²³⁹Pu.

doi: 10.1103/PhysRevC.82.054310
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0155.

2009GO28      Phys.Rev. C 80, 044610 (2009)

B.L.Goldblum, S.R.Stroberg, J.M.Allmond, C.Angell, L.A.Bernstein, D.L.Bleuel, J.T.Burke, J.Gibelin, L.Phair, N.D.Scielzo, E.Swanberg, M.Wiedeking, E.B.Norman

Indirect determination of the ²³⁰Th(n, f) and ²³¹Th(n, f) cross sections for thorium-based nuclear energy systems

NUCLEAR REACTIONS ²³⁰Th(n, f), E=220 keV-25 MeV; ²³¹Th(n, f), E=360 keV-10 MeV; measured fission fragments, σ using surrogate ratio method. Comparison with previous measurements and evaluations. ²³²Th, ²³⁶U(³He, ³He'), (³He, α), E=42 MeV; measured particle spectra, and relative fission decay probability in surrogate reactions.

doi: 10.1103/PhysRevC.80.044610
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14254.