NSR Query Results


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NSR database version of May 24, 2024.

Search: Author = S.Hammond

Found 11 matches.

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2017TO16      Phys.Lett. B 773, 20 (2017)

A.P.Tonchev, N.Tsoneva, C.Bhatia, C.W.Arnold, S.Goriely, S.L.Hammond, J.H.Kelley, E.Kwan, H.Lenske, J.Piekarewicz, R.Raut, G.Rusev, T.Shizuma, W.Tornow

Pygmy and core polarization dipole modes in 206Pb: Connecting nuclear structure to stellar nucleosynthesis

NUCLEAR REACTIONS 208Pb(γ, γ'), E=4.9-8.1 MeV; analyzed available data; deduced a range for the neutron-skin thickness of and a corresponding range for the slope of the symmetry energy, Maxwellian-averaged radiative σ.

doi: 10.1016/j.physletb.2017.07.062
Citations: PlumX Metrics


2013RU01      Phys.Rev.Lett. 110, 022503 (2013)

G.Rusev, N.Tsoneva, F.Donau, S.Frauendorf, R.Schwengner, A.P.Tonchev, A.S.Adekola, S.L.Hammond, J.H.Kelley, E.Kwan, H.Lenske, W.Tornow, A.Wagner

Fine Structure of the Giant M1 Resonance in 90Zr

NUCLEAR REACTIONS 90Zr(γ, γ'), E=7-11 MeV; measured reaction products, Eγ, Iγ; deduced dipole excitations, 1+ states, fine structure of the giant M1 resonance, B(M1). Comparison with three-phonon QPM calculations.

doi: 10.1103/PhysRevLett.110.022503
Citations: PlumX Metrics


2012AN13      Phys.Rev. C 86, 051302 (2012); Erratum Phys.Rev. C 91, 039901 (2015)

C.T.Angell, S.L.Hammond, H.J.Karwowski, J.H.Kelley, M.Krticka, E.Kwan, A.Makinaga, G.Rusev

Evidence for radiative coupling of the pygmy dipole resonance to excited states

NUCLEAR REACTIONS 142Nd(γ, n), E=9.86-13.3 MeV; 142Nd(polarized γ, γ'), E=4.2-9.7 MeV; measured Eγ, Iγ, branching ratio, σ(E) using High Intensity γ-ray Source (HIγS) at TUNL for (γ, γ'), and quasimonoenergetic γ-ray source at Tsukuba; deduced two distinct PDR peaks. Comparison with statistical-model calculations. Violation of Brink hypothesis.

doi: 10.1103/PhysRevC.86.051302
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2403.


2012HA12      Phys.Rev. C 85, 044302 (2012)

S.L.Hammond, A.S.Adekola, C.T.Angell, H.J.Karwowski, E.Kwan, G.Rusev, A.P.Tonchev, W.Tornow, C.R.Howell, J.H.Kelley

Dipole response of 238U to polarized photons below the neutron separation energy

NUCLEAR REACTIONS 238U(polarized γ, γ'), E=2.0-6.2 MeV; measured Eγ, Iγ, γ(θ), γ(linear pol), integrated cross sections using HIγS facility at TUNL. 238U; deduced levels, J, π, multipolarity, widths, branching ratios, B(M1), B(E1), total γ-ray interaction cross section for E1. Systematics of E1 and M1 strengths for 232Th, 236,238U. Comparison with QRPA calculations.

doi: 10.1103/PhysRevC.85.044302
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0170. Data from this article have been entered in the XUNDL database. For more information, click here.


2011AD02      Phys.Rev. C 83, 034615 (2011)

A.S.Adekola, C.T.Angell, S.L.Hammond, A.Hill, C.R.Howell, H.J.Karwowski, J.H.Kelley, E.Kwan

Discovery of low-lying E1 and M1 strengths in 232Th

NUCLEAR REACTIONS 232Th(γ, γ'), E=2-4 MeV; measured Eγ, Iγ, γγ(θ), integrated σ using HIγS facility; deduced widths. 232Th; deduced levels, J, π, multipolarity, B(M1), B(E1), branching ratios. Comparison of scissors mode summed B(M1) strengths with those in 232Th, 235,236,238U, and with predictions of quasiparticle random-phase approximation (QRPA).

doi: 10.1103/PhysRevC.83.034615
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0159. Data from this article have been entered in the XUNDL database. For more information, click here.


2011KW01      Phys.Rev. C 83, 041601 (2011)

E.Kwan, G.Rusev, A.S.Adekola, F.Donau, S.L.Hammond, C.R.Howell, H.J.Karwowski, J.H.Kelley, R.S.Pedroni, R.Raut, A.P.Tonchev, W.Tornow

Discrete deexcitations in 235U below 3 MeV from nuclear resonance fluorescence

NUCLEAR REACTIONS 235U(γ, γ'), E=1.6-3.0 MeV; measured Eγ, Iγ, γγ-coin, integrated cross sections, and widths using HIγS facility. 235U; deduced levels, J, π, branching ratios. Comparison with quasiparticle random-phase approximation in deformed basis for dipole transitions.

doi: 10.1103/PhysRevC.83.041601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0161. Data from this article have been entered in the XUNDL database. For more information, click here.


2011RU15      J.Phys.:Conf.Ser. 312, 092053 (2011)

G.Rusev, A.S.Adekola, F.Donau, S.Frauendorf, S.L.Hammond, C.Huibregtse, J.H.Kelley, E.Kwan, R.Schwengner, A.P.Tonchev, W.Tornow, A.Wagner

Fine structure of the giant M1 resonance in 90Zr

NUCLEAR REACTIONS 90Zr(polarized γ, γ'), E=7-11 MeV; measured Eγ, Iγ(θ) using HPGe; deduced B(M1) fine structure; calculated B(M1) fine structure using shell model and QRPA.

doi: 10.1088/1742-6596/312/9/092053
Citations: PlumX Metrics


2011TO17      J.Phys.:Conf.Ser. 312, 092058 (2011)

A.P.Tonchev, S.L.Hammond, J.H.Kelley, E.Kwan, H.Lenske, R.Raut, G.Rusev, W.Tornow, N.Tsoneva

Coarse and Fine Structure of the Pygmy Dipole Resonance

NUCLEAR REACTIONS 138Ba(polarized γ, γ), (polarized γ, γ'), E=5.4, 7.2, 8.5 MeV; measured Eγ, Iγ(θ) using HPGe with nuclear resonance fluorescence; deduced σ, M1, E1 asymmetry, GDR, PDR photoabsorption σ, E1 ground-state γ transition strength, resonant-shape; calculated E1, M1 γ transition strength distribution using QPM.

doi: 10.1088/1742-6596/312/9/092058
Citations: PlumX Metrics


2010TO01      Phys.Rev.Lett. 104, 072501 (2010)

A.P.Tonchev, S.L.Hammond, J.H.Kelley, E.Kwan, H.Lenske, G.Rusev, W.Tornow, N.Tsoneva

Spectral Structure of the Pygmy Dipole Resonance

NUCLEAR REACTIONS 138Ba(γ, γ), (γ, γ'), E ≈ below one-neutron separation energy; measured Eγ, Iγ; deduced σ, energy levels, B(E1), B(M1). Comparison with QPM calculations.

doi: 10.1103/PhysRevLett.104.072501
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0151.


2010TO09      Phys.Rev. C 82, 054620 (2010)

A.P.Tonchev, S.L.Hammond, C.R.Howell, C.Huibregtse, A.Hutcheson, J.H.Kelley, E.Kwan, R.Raut, G.Rusev, W.Tornow, T.Kawano, D.J.Vieira, J.B.Wilhelmy

Measurement of the 241Am(γ, n)240Am reaction in the giant dipole resonance region

NUCLEAR REACTIONS 241Am(γ, n), E=9.0-15.6 MeV; measured Eγ, Iγ, σ using HIγS facility. Giant dipole resonance region. Comparison with previous measurements and statistical nuclear-model calculations.

doi: 10.1103/PhysRevC.82.054620
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0156.


2008TO06      Phys.Rev. C 77, 054610 (2008)

A.P.Tonchev, C.T.Angell, M.Boswell, A.S.Crowell, B.Fallin, S.Hammond, C.R.Howell, A.Hutcheson, H.J.Karwowski, J.H.Kelley, R.S.Pedroni, W.Tornow, J.A.Becker, D.Dashdorj, J.Kenneally, R.A.Macri, M.A.Stoyer, C.Y.Wu, E.Bond, M.B.Chadwick, J.Fitzpatrick, T.Kawano, R.S.Rundberg, A.Slemmons, D.J.Vieira, J.B.Wilhelmy

Measurement of the 241Am(n, 2n) reaction cross section from 7.6 MeV to 14.5 MeV

NUCLEAR REACTIONS 241Am(n, 2n), E=7.6-14.5 MeV; measured Eγ, Iγ, neutron time-of-flight spectra, σ, excitation functions. Comparison with evaluated data in ENDF/B-VII and JENDL-3.3.

doi: 10.1103/PhysRevC.77.054610
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14172.


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Note: The following list of authors and aliases matches the search parameter S.Hammond: , S.L.HAMMOND