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NSR database version of April 27, 2024.

Search: Author = J.Refsgaard

Found 7 matches.

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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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2696.

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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
Citations: PlumX Metrics

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
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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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Data from this article have been entered in the XUNDL database. For more information, click here.