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NSR database version of April 11, 2024.

Search: Author = R.Trippel

Found 3 matches.

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2022CA19      Phys.Lett. B 833, 137374 (2022)

J.Carter, L.M.Donaldson, H.Fujita, Y.Fujita, M.Jingo, C.O.Kureba, M.B.Latif, E.Litvinova, F.Nemulodi, P.von Neumann-Cosel, R.Neveling, P.Papakonstantinou, P.Papka, L.Pellegri, V.Yu.Ponomarev, A.Richter, R.Roth, E.Sideras-Haddad, F.D.Smit, J.A.Swartz, A.Tamii, R.Trippel, I.T.Usman, H.Wibowo

Damping of the isovector giant dipole resonance in 40, 48Ca

NUCLEAR REACTIONS 40,48Ca(p, p'), E=200 MeV; measured reaction products; deduced σ(θ, E), Coulomb σ, contributions from the IsoScalar Giant Monopole Resonance (ISGMR) and the ISGQR lying under the IsoVector Giant Dipole Resonance (IVGDR). Comparison with calculations in the framework of RPA and beyond-RPA in a relativistic approach based on an effective meson-exchange interaction, with the UCOM effective interaction. The Separated Sector Cyclotron (SSC) at the iThemba Laboratory for Accelerator Based Sciences (iThemba LABS), Cape Town, South Africa.

doi: 10.1016/j.physletb.2022.137374
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2017PA06      Acta Phys.Pol. B48, 537 (2017)

P.Papakonstantinou, R.Trippel, R.Roth

From Chiral NN(N) Interactions to Giant and Pygmy Resonances via Extended RPA

NUCLEAR STRUCTURE 40,48Ca; calculated giant and pygmy resonances strength distributions, B(E1) using RPA-based methods with AV18 b(Argonne) plus UCOM interactions or chiral EFT plus SRG interaction. Compared with available data.

doi: 10.5506/APhysPolB.48.537
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2014KR06      Phys.Rev. C 89, 041302 (2014); Erratum Phys.Rev. C 92, 039902 (2015)

C.Kremer, J.Beller, A.Leviatan, N.Pietralla, G.Rainovski, R.Trippel, P.Van Isacker

Linking partial and quasi dynamical symmetries in rotational nuclei

NUCLEAR STRUCTURE 156,158,160,162Gd, 160,162,164Dy, 164,166Er; calculated ground-state fluctuations for the extended consistent-Q formalism (ECQF) Hamiltonian in even-even rare earth nuclei; deduced empirical formalism for linkage between O(6) partial dynamical symmetry (PDS) and SU(3) quasi-dynamical symmetry (QDS) in rotational nuclei; identified nuclei satisfying both symmetries. 160Gd; calculated levels, J, π, bands with the IBM approach using the ECQF Hamiltonian, and compared with experimental spectrum. Quantum number fluctuations and the intrinsic state formalism are used within the framework of interacting boson model.

doi: 10.1103/PhysRevC.89.041302
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