NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = H.C.Berg Found 8 matches. 2023MU01 Phys.Rev. C 107, L011602 (2023) D.Mucher, A.Spyrou, M.Wiedeking, M.Guttormsen, A.C.Larsen, F.Zeiser, C.Harris, A.L.Richard, M.K.Smith, A.Gorgen, S.N.Liddick, S.Siem, H.C.Berg, J.A.Clark, P.A.DeYoung, A.C.Dombos, B.Greaves, L.Hicks, R.Kelmar, S.Lyons, J.Owens-Fryar, A.Palmisano, D.Santiago-Gonzalez, G.Savard, W.W.von Seeger Extracting model-independent nuclear level densities away from stability RADIOACTIVITY 76Ga(β-); analyzed experimental total absorption spectrum (TAS) data in 2016Do05: Phys. Rev. C 93, 064317. 76Ge; deduced γ-strength function (γSF), nuclear level density (NLD). Comparison to other experimental data and to γ-strength function in 74Ge. 88Br(β-); measured Eγ, Iγ, TAS spectrum using Summing NaI (SuN) detector at Argonne CARIBU facility. 88Kr; deduced γ-strength function (γSF), nuclear level density (NLD). Compared with other experimental data γ-strength functions for 86Kr and 87Kr. NLD results are compared to calculations done with 3 semi-microscopic models - HFB+Skyrme, HFB+Skyrme combinatorial, temperature-dependent HFB+Gogny. Combination of "shape" method with β-Oslo technique which allows extraction of NLD in model independent way. NUCLEAR REACTIONS 87Kr(n, γ), E<1 MeV; calculated σ(E) using newly obtained NLD. Values are given relative to calculated ones using current RIPL-3 recommended level densities.
doi: 10.1103/PhysRevC.107.L011602
2023PO02 Phys.Rev. C 107, 034605 (2023) F.Pogliano, F.L.Bello Garrote, A.C.Larsen, H.C.Berg, D.Gjestvang, A.Gorgen, M.Guttormsen, V.W.Ingeberg, T.W.Johansen, K.L.Malatji, E.F.Matthews, M.Markova, J.E.Midtbo, V.Modamio, L.G.Pedersen, E.Sahin, S.Siem, T.G.Tornyi, A.S.Voyles Observation of a candidate for the M1 scissors resonance in odd-odd 166Ho NUCLEAR REACTIONS 163Dy(α, pγ), E=26 MeV; measured Eγ, Iγ, Ep, Ip, Eα, Iα, pγ-coin, pαγ-coin. 166Ho; deduced nuclear level density (NLD), gamma strength function (GSF), resonance components of the GSF (Giant Dipole Re sonance, Pigmy Dipole Resonance, M1 scissors resonance), B(M1), parameters of s cissor resonance. Oslo method type of analysis. Systematics of scissor resonances is Ho, Sm, Dy, Er isotopes. Comparison to TALYS 1.95 calculations and other experimental data. Oslo Scintillator Array (OSCAR) of 30 cylindrical LaBr3:Ce detectors and silicon ring (SiRi) consisting of 8 silicon-telescope modules at the Oslo Cyclotron Laboratory (OCL).
doi: 10.1103/PhysRevC.107.034605
2023TS04 Phys.Rev. C 107, 035808 (2023) A.Tsantiri, A.Palmisano-Kyle, A.Spyrou, P.Mohr, H.C.Berg, P.A.DeYoung, A.C.Dombos, P.Gastis, E.C.Good, C.M.Harris, S.N.Liddick, S.M.Lyons, O.Olivas-Gomez, G.Owens-Fryar, J.Pereira, A.L.Richard, A.Simon, M.K.Smith, R.G.T.Zegers Cross-section measurement of the 82Kr(p, γ)83Rb reaction in inverse kinematics NUCLEAR REACTIONS 1H(82Kr, γ)83Rb, E=3.1, 3.4, 3.7 MeV/nucleon; measured Eγ, Iγ, γ-sum, total absorption spectra; deduced σ(E), astrophysical S-factor. Comparison to NON-SMOKER and TALYS statistical model calculations. Hydrogen gas cell surrounded by the Summing NaI(Tl) (SuN) detector at ReA reaccelerator facility (NSCL).
doi: 10.1103/PhysRevC.107.035808
2022GU17 Phys.Rev. C 106, 034314 (2022) M.Guttormsen, K.O.Ay, M.Ozgur, E.Algin, A.C.Larsen, F.L.Bello Garrote, H.C.Berg, L.Crespo Campo, T.Dahl-Jacobsen, F.W.Furmyr, D.Gjestvang, A.Gorgen, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, I.K.B.Kullmann, M.Klintefjord, M.Markova, J.E.Midtbo, V.Modamio, W.Paulsen, L.G.Pedersen, T.Renstrom, E.Sahin, S.Siem, G.M.Tveten, M.Wiedeking Evolution of the γ-ray strength function in neodymium isotopes NUCLEAR REACTIONS 142,144,146,148,150Nd(p, p'γ), (d, pγ), E(p)=16.0 MeV, E(d)=13.5 MeV; measured Eγ, Iγ, E(p), pγ-coin using SiRi array of 64 ΔE-E particle telescopes, and OSCAR array of 15 to 30 LaBr3(Ce) scintillators for γ detection at the Oslo Cyclotron Laboratory. 142,144,145,146,147,148,149,150,151Nd; deduced energies, widths and cross sections of giant dipole resonances (GDR), pygmy-dipole resonances (PDR), scissors mode (SM) resonances, low-energy enhancement (LEE) structures, average probability for populating levels, γ strength functions as function of Eγ, (γSF(Eγ)) and nuclear level densities (NLD) using the OSLO method, integrated LEE and SM strengths B(M1), cross over from spherical to deformed shapes for neodymium isotopes.
doi: 10.1103/PhysRevC.106.034314
2022MA47 Phys.Rev. C 106, 034322 (2022); Erratum Phys.Rev. C 109, 019901 (2024) M.Markova, A.C.Larsen, P.von Neumann-Cosel, S.Bassauer, A.Gorgen, M.Guttormsen, F.L.Bello Garrote, H.C.Berg, M.M.Bjoroen, T.K.Eriksen, D.Gjestvang, J.Isaak, M.Mbabane, W.Paulsen, L.G.Pedersen, N.I.J.Pettersen, A.Richter, E.Sahin, P.Scholz, S.Siem, G.M.Tveten, V.M.Valsdottir, M.Wiedeking Nuclear level densities and γ-ray strength functions in 120, 124Sn isotopes: Impact of Porter-Thomas fluctuations NUCLEAR REACTIONS 120,124Sn(p, p'γ), E=16 MeV; measured Eγ, Iγ, E(p), pγ-coin, E-ΔE distributions using an array of 64 ΔE-E particle telescopes, and OSCAR array of 30 LaBr3(Ce) scintillators for γ detection at the Oslo Cyclotron Laboratory. 120,124Sn; deduced γ strength functions as function of Eγ, (γSF(Eγ)) and nuclear level densities (NLD) using the OSLO method and shape methods, magnitude of the Porter-Thomas (PT) fluctuations. 120,122,124Sn; deduced 0+ states, and first 2+ state in 124Sn. Comparison of nuclear level densities for J=1 states with the constant temperature (CT) model, back-shifted Fermi gas model (BSFG) model calculations, and predictions of the microscopic Hartree-Fock-BCS method, and with previous experimental results. Systematics of average total radiative widths and nuclear level densities (NLD) for 113,114,115,116,117,118,119,120,121,123,124Sn.
doi: 10.1103/PhysRevC.106.034322
2021MA65 Phys.Rev.Lett. 127, 182501 (2021) M.Markova, P.von Neumann-Cosel, A.C.Larsen, S.Bassauer, A.Gorgen, M.Guttormsen, F.L.Bello Garrote, H.C.Berg, M.M.Bjoroen, T.Dahl-Jacobsen, T.K.Eriksen, D.Gjestvang, J.Isaak, M.Mbabane, W.Paulsen, L.G.Pedersen, N.I.J.Pettersen, A.Richter, E.Sahin, P.Scholz, S.Siem, G.M.Tveten, V.M.Valsdottir, M.Wiedeking, F.Zeiser Comprehensive Test of the Brink-Axel Hypothesis in the Energy Region of the Pygmy Dipole Resonance NUCLEAR REACTIONS 117Sn(3He, α), E=38 MeV; 120,124Sn(p, p'), E=16 MeV; measured reaction products, Eα, Iα, Ep, Ip, Eγ, Iγ; deduced γ-ray strength functions (GSFs). Oslo method.
doi: 10.1103/PhysRevLett.127.182501
1970CR02 Phys.Rev.Lett. 24, 195 (1970) S.B.Crampton, H.C.Berg, H.G.Robinson, N.F.Ramsey Determination of the Quadrupole Coupling Constant in the N14 Atomic Ground State NUCLEAR MOMENTS 14N; measured a, B.
doi: 10.1103/PhysRevLett.24.195
1964RO22 Bull.Am.Phys.Soc. 9, No.5, 564, T7 (1964) H.G.Robinson, H.C.Berg, S.B.Crampton Hyperfine and Quadrupolar Interactions of Nitrogen NUCLEAR STRUCTURE 14N; measured not abstracted; deduced nuclear properties.
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