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NSR database version of April 26, 2024.

Search: Author = V.Alcindor

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2021AD06      Phys.Rev. C 103, 035804 (2021)

P.Adsley, F.Hammache, N.de Sereville, V.Alcindor, M.Assie, D.Beaumel, M.Chabot, M.Degerlier, C.Delafosse, T.Faestermann, F.Flavigny, S.P.Fox, R.Garg, A.Georgiadou, S.A.Gillespie, J.Guillot, V.Guimaraes, A.Gottardo, R.Hertenberger, J.Kiener, A.M.Laird, A.Lefebvre-Schuhl, I.Matea, A.Meyer, M.Mahgoub, L.Olivier, L.Perrot, J.Riley, I.Sivacek, I.Stefan, V.Tatischeff, H.-F.Wirth

Charged-particle branching ratios above the neutron threshold in ¹⁹F: Constraining ¹⁵N production in core-collapse supernovae

COMPILATION ¹⁹F; compiled data from the ENSDF database and from different nuclear reactions in literature for levels, J, π, Γ, Γ_p, and Γ_α.

NUCLEAR REACTIONS ¹⁹F(p, p'), E=16, 15 MeV; measured E(p), I(p), πα- and pp-coin using the Q3D magnetic spectrograph at Munich at E(p)=16 MeV, and Enge split-pole magnetic spectrometer, and double-sided silicon strip detector (DSSSD) detectors at Orsay at E(p)=15 MeV. ¹⁹F; deduced levels between 10.091 and 10.676 MeV in the region of astrophysical interest, width, branching ratios for proton and α decays from levels above the neutron binding energy in ¹⁹F. ¹⁵N, ¹⁸O; deduced energies of the emitted particles, matrices of experimental and simulated coincidence events from α and proton decays of neutron-unbound states in ¹⁹F. Relevance to ¹⁸F(n, α)¹⁵N and ¹⁸F(n, p)¹⁸O reaction rates for abundances of ¹⁵N and ¹⁸O in the helium-burning shell during core-collapse supernovae.

doi: 10.1103/PhysRevC.103.035804
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2020CA08      Phys.Rev. C 101, 041304 (2020), Erratum Phys.Rev. C 103, 029901 (2021)

L.Canete, S.Giraud, A.Kankainen, B.Bastin, F.Nowacki, A.Poves, P.Ascher, T.Eronen, V.Alcindor, A.Jokinen, A.Khanam, I.D.Moore, D.A.Nesterenko, F.De Oliveira Santos, H.Penttila, C.Petrone, I.Pohjalainen, A.de Roubin, V.A.Rubchenya, M.Vilen, J.Aysto

Precision mass measurements of ⁶⁷Fe and ^{69, 70}Co: Nuclear structure toward N = 40 and impact on r-process reaction rates

ATOMIC MASSES ⁶⁷Fe, ^69,69m,70Co; measured mass excesses using time of flight-ion cyclotron resonance technique with the JYFLTRAP double Penning trap mass spectrometer. ^69mCo; deduced level energy of 1/2- intruder state. Comparison with evaluated data in AME2016. Systematics of S(2n) values and two-neutron shell gap parameter for Z=25-28, N=35-45 nuclei.

NUCLEAR STRUCTURE ^67,69,71Co; calculated levels, J, π using shell-model for the spherical and 1/2- intruder bands. Comparison with experimental data.

NUCLEAR REACTIONS ⁶⁸Fe, ⁶⁹Co(γ, n), T=0.5-5 GK; calculated astrophysical reaction rates, and mass-related uncertainties for the astrophysical r process calculations.

doi: 10.1103/PhysRevC.101.041304
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Data from this article have been entered in the XUNDL database. For more information, click here.