NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.Refsgaard Found 7 matches. 2023KO21 Phys.Rev. C 108, 034601 (2023) J.Kovoor, K.L.Jones, J.Hooker, M.Vostinar, R.Kanungo, S.D.Pain, M.Alcorta, J.Allen, C.Andreoiu, L.Atar, D.W.Bardayan, S.S.Bhattacharjee, D.Blankstein, C.Burbadge, S.Burcher, W.N.Catford, S.Cha, K.Chae, D.Connolly, B.Davids, N.E.Esker, F.H.Garcia, S.Gillespie, R.Ghimire, A.Gula, G.Hackman, S.Hallam, M.Hellmich, J.Henderson, M.Holl, P.Jassal, S.King, T.Knight, R.Kruecken, A.Lepailleur, J.Liang, L.Morrison, P.D.O'Malley, X.Pereira-Lopez, A.Psaltis, A.Radich, J.Refsgaard, A.C.Shotter, M.Williams, O.Workman Structure studies of 13Be from the 12Be(d, p) reaction in inverse kinematics on a solid deuteron target
doi: 10.1103/PhysRevC.108.034601
2022KU04 Phys.Lett. B 825, 136857 (2022) M.Kuhlwein, K.Lytje, H.O.U.Fynbo, A.Gad, E.Jensen, O.S.Kirsebom, M.Munch, J.Refsgaard, K.Riisager Exclusive decay study of the 16.62 MeV(2-, T=1) resonance in 12C RADIOACTIVITY 12C(α) [from 11B(p, X)12C, E=1.361 MeV]; measured decay products, Eα, Iα, α-α-α-coin.; deduced resonance energy, J, π. Comparison with R-matrix calculations based sequential models.
doi: 10.1016/j.physletb.2021.136857
2021RA22 Phys.Rev. C 104, L042801 (2021) J.S.Randhawa, R.Kanungo, J.Refsgaard, P.Mohr, T.Ahn, M.Alcorta, C.Andreoiu, S.S.Bhattacharjee, B.Davids, G.Christian, A.A.Chen, R.Coleman, P.E.Garrett, G.F.Grinyer, E.G.Fuakye, G.Hackman, J.Hollett, R.Jain, K.Kapoor, R.Krucken, A.Laffoley, A.Lennarz, J.Liang, Z.Meisel, B.Nikhil, A.Psaltis, A.Radich, M.Rocchini, N.Saei, M.Saxena, M.Singh, C.Svensson, P.Subramaniam, A.Talebitaher, S.Upadhyayula, C.Waterfield, J.Williams, M.Williams First direct measurement of 59Cu(p, α)56Ni: step towards constraining the Ni-Cu cycle in the cosmos NUCLEAR REACTIONS 1H(59Cu, α)56Ni, E=8.5 MeV/nucleon, [secondary 59Cu beam from Nb(p, X), E=480 MeV at the TRIUMF cyclotron, followed by re-acceleration of 59Cu beam by ISAC-II superconducting LINAC, solid H2 target]; measured protons and α particles, angle-integrated σ using thick single-sided silicon strip detectors and a layer of thick CsI(Tl) detectors; deduced ratio of integrated σ to total σ, exclusive population of the ground state of 56Ni in (p, α). Comparison with Hauser-Feshbach based statistical model calculations; deduced overestimation of (p, α) cross section in this region. Discussed impact on νp process and x-ray bursts (XRBs). Relevance to Ni-Cu cycle in nucleosynthesis, with competing 59Cu(p, α)56Ni and 59Cu(p, γ)60Zn reactions.
doi: 10.1103/PhysRevC.104.L042801
2019RE03 Phys.Rev. C 99, 044316 (2019) J.Refsgaard, J.Buscher, A.Arokiaraj, H.O.U.Fynbo, R.Raabe, K.Riisager Clarification of large-strength transitions in the β decay of 11Be RADIOACTIVITY 11Be(β-), (β-α)[from Ta(p, X), E=1.4 GeV, followed by surface ionization and selection of the reaction products in the resonant ionization laser ion source (RILIS) and separation in the general purpose mass separator at ISOLDE-CERN facility]; measured β-delayed Eα and Iα using double-sided silicon strip detector for ion implantation and α detection; deduced β--delayed α branching ratio, Gamow-Teller matrix elements, B(GT), logft, and resonant strength by R-matrix analysis of the β-delayed α spectrum. 7Li; deduced levels, J, π, large overlaps between the two states in 7Li and the ground state of 11Be. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.99.044316
2018RE05 Phys.Lett. B 779, 414 (2018) J.Refsgaard, H.O.U.Fynbo, O.S.Kirsebom, K.Riisager Three-body effects in the Hoyle-state decay RADIOACTIVITY 12C, 8Be(α); calculated Coulomb interactions in the 3α continuum in combination with a well-established R-matrix formalism.
doi: 10.1016/j.physletb.2018.02.031
2016MA17 Acta Phys.Pol. B47, 747 (2016) I.Marroquin, M.J.G.Borge, A.A.Ciemny, H.de Witte, L.M.Fraile, H.O.U.Fynbo, A.Garzon-Camacho, A.Howard, H.Johansson, B.Jonson, O.S.Kirsebom, G.T.Koldste, R.Lica, M.V.Lund, M.Madurga, C.Mazzocchi, C.Mihai, M.Munch, S.A.Nae, E.Nacher, A.Negret, T.Nilsson, A.Perea, J.Refsgaard, K.Riisager, E.Rapisarda, C.Sotty, M.Stanoiu, O.Tengblad, A.E.Turturica, M.V.Vedia Multi-particle Emission from 31Ar at ISOLDE RADIOACTIVITY 31Ar(β+2p), (β+p) [from Ca(p, X), E=1.4 GeV]; measured decay products, Ep, Ip, Eγ, Iγ, Eβ, Iβ. 30S, 29P; deduced energy levels, γ-ray intensities, resonance parameters.
doi: 10.5506/APhysPolB.47.747
2016RE01 Phys.Lett. B 752, 296 (2016) J.Refsgaard, O.S.Kirsebom, E.A.Dijck, H.O.U.Fynbo, M.V.Lund, M.N.Portela, R.Raabe, G.Randisi, F.Renzi, S.Sambi, A.Sytema, L.Willmann, H.W.Wilschut Measurement of the branching ratio for β-delayed α decay of 16N RADIOACTIVITY 16N(β-α) [from C, 2H(15N, X), E=80 MeV]; measured decay products, Eα, Iα, Eβ, Iβ; deduced βα branching ratio and its uncertainties, impact on S-factor. Comparison with available data.
doi: 10.1016/j.physletb.2015.11.047
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