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NSR database version of April 27, 2024.

Search: Author = S.R.Johnson

Found 3 matches.

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2024SA23      Nuovo Cim. C 47, 57 (2024)

D.Savran, J.Isaak, A.D.Ayangeakaa, M.Beuschlein, S.W.Finch, D.Gribble, A.Gupta, J.Hauf, X.K.James, R.V.F.Janssens, S.R.Johnson, P.Koseoglou, T.Kowalewski, B.Loher, O.Papst, N.Pietralla, A.Saracino, N.Sensharma, W.Tornow, V.Werner

From precision nuclear structure information to constraining statistical properties: Methodical developments in photonuclear reactions

NUCLEAR REACTIONS ¹²C, ⁸⁸Sr(γ, γ'), E not given; measured reaction products, Eγ, Iγ; deduced the nuclear self absorption, the decay width of the 2⁺ state, nuclear level density. Comparison with available data. The the nuclear resonance fluorescence (NRF) and relative self-absorption (RSA) method in combination with bremsstrahlung photon beams. The High Intensity γ-ray Source (HIγS) at Duke University.

doi: 10.1393/ncc/i2024-24057-4
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2023JO08      Phys.Rev. C 108, 024315 (2023)

S.R.Johnson, R.V.F.Janssens, U.Friman-Gayer, B.A.Brown, B.P.Crider, S.W.Finch, Krishichayan, D.R.Little, S.Mukhopadhyay, E.E.Peters, A.P.D.Ramirez, J.A.Silano, A.P.Tonchev, W.Tornow, S.W.Yates

Testing shell-model interactions at high excitation energy and low spin: Nuclear resonance fluorescence in ⁷⁴Ge

NUCLEAR REACTIONS ⁷⁴Ge(polarized γ, γ'), E=3.1-5.44 MeV; measured Eγ, Iγ, γ(θ); deduced integrated exclusive scattering σ(E). ⁷⁴Ge; deduced levels, J, π, branching ratios, transition intensities. Comparison to large-scale shell-model calculations with jj44b and JUN45 effective interactions. γ³-setup consisting of 6 HPGe detectors. Quasi-monoenergetic linearly polarized photon beams produced via Compton backscattering and provided by the High Intensity Gamma-Ray Source at TUNL.

doi: 10.1103/PhysRevC.108.024315
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022SA39      Phys.Rev. C 106, 044324 (2022)

D.Savran, J.Isaak, R.Schwengner, R.Massarczyk, M.Scheck, W.Tornow, G.Battaglia, T.Beck, S.W.Finch, C.Fransen, U.Friman-Gayer, R.Gonzalez, E.Hoemann, R.V.F.Janssens, S.R.Johnson, M.D.Jones, J.Kleemann, Krishichayan, D.R.Little, D.O'Donnell, O.Papst, N.Pietralla, J.Sinclair, V.Werner, O.Wieland, J.Wilhelmy

Model-independent determination of the dipole response of ⁶⁶Zn using quasimonoenergetic and linearly polarized photon beams

NUCLEAR REACTIONS ⁶⁶Zn(polarized γ, γ'), E=5.6-9.9 MeV; measured Eγ, Iγ, γγ-coin; deduced elastic, inelastic and total photoabsorption σ(E), average ground-state branching ratio, ratio of M1 to E1 elastic σ(E). Comparison to other experimental results. γ³-detector setup consisting of HPGe and LaBr₃:Ce detectors at HIγS facility of the TUNL at Duke University.

doi: 10.1103/PhysRevC.106.044324
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