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NSR database version of April 11, 2024.

Search: Author = T.Dahl-Jacobsen

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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 ^{142,144,146,148,150}Nd(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. ^{142,144,145,146,147,148,149,150,151}Nd; 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
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2021GU12      Phys.Lett. B 816, 136206 (2021)

M.Guttormsen, Y.Alhassid, W.Ryssens, K.O.Ay, M.Ozgur, E.Algin, A.C.Larsen, F.L.Bello Garrote, L.Crespo Campo, T.Dahl-Jacobsen, A.Gorgen, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, M.Klintefjord, J.E.Midtbo, V.Modamio, T.Renstrom, E.Sahin, S.Siem, G.M.Tveten, F.Zeiser

Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes

NUCLEAR REACTIONS ^{142,144,146,148,150}Nd(p, X), E=16 MeV; ^{142,144,146,148,150}Nd(α, X), E=13.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, nuclear level densities, quadrupole deformation parameters. Comparison with the shell model Monte Carlo (SMMC) calculations.

doi: 10.1016/j.physletb.2021.136206
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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
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