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NSR database version of April 24, 2024.

Search: Author = L.Siess

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2023PO08      Phys.Rev. C 107, 064614 (2023)

F.Pogliano, A.C.Larsen, S.Goriely, L.Siess, M.Markova, A.Gorgen, J.Heines, V.W.Ingeberg, R.G.Kjus, J.E.L.Larsson, K.C.W.Li, E.M.Martinsen, G.J.Owens-Fryar, L.G.Pedersen, S.Siem, G.S.Torvund, A.Tsantiri

Experimentally constrained ^{165, 166}Ho(n, γ) rates and implications for the s process

NUCLEAR REACTIONS ¹⁶⁴Dy(α, pγ)¹⁶⁷Ho, E=26 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin. ¹⁶⁷Ho; deduced nuclear level density (NLD) and γ-ray strength function, resonance components of the GSF (Giant Dipole Resonance, Pigmy Dipole Resonance, M1 scissors resonance), upward scissor resonance strength. ^165,166Ho(n, γ), E=0.001-10 MeV; calculated σ(E) using obtained NLD and GSF (for ¹⁶⁷Ho from present work, for ¹⁶⁶Ho - from 2023PO02), Maxwellian-averaged σ(E) MACS (kT<105 keV). Oslo method type of analysis. Comparison with other experimental data and TALYS calculations. Comparison of obtained MACS with JINA REACLIB, BRUSLIB and KADONIS data. AGB nucleosynthesis predictions with STARERVOL code using obtained MACS. Oslo SCintillator ARray (OSCAR) and the Silicon Ring (SiRi) detector arrays at MC-35 Scanditronix cyclotron.

doi: 10.1103/PhysRevC.107.064614
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2019MA20      Phys.Lett. B 791, 403 (2019)

K.L.Malatji, M.Wiedeking, S.Goriely, C.P.Brits, B.V.Kheswa, F.L.Bello Garrote, D.L.Bleuel, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska-Klek, T.W.Hagen, V.W.Ingeberg, M.Klintefjord, A.C.Larsen, P.Papka, T.Renstrom, E.Sahin, S.Siem, L.Siess, G.M.Tveten, F.Zeiser

Re-estimation of ¹⁸⁰Ta nucleosynthesis in light of newly constrained reaction rates

NUCLEAR REACTIONS ^180,181,182Ta(n, γ), E ∼ 30 keV; analyzed available data on the nuclear level densities and γ-ray strength functions below the neutron thresholds; calculated σ, reaction rates; deduced s- and p-process nucleosynthesis results.

doi: 10.1016/j.physletb.2019.03.013
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2015NY01      Phys.Rev. C 91, 015808 (2015)

H.-T.Nyhus, T.Renstrom, H.Utsunomiya, S.Goriely, D.M.Filipescu, I.Gheorghe, O.Tesileanu, T.Glodariu, T.Shima, K.Takahisa, S.Miyamoto, Y.-W.Lui, S.Hilaire, S.Peru, M.Martini, L.Siess, A.J.Koning

Photoneutron cross sections for neodymium isotopes: Toward a unified understanding of (γ, n) and (n, γ) reactions in the rare earth region

NUCLEAR REACTIONS ^{143,144,145,146,148}Nd(γ, n), E=7.55-13.00 MeV laser Compton scattered (LCS) rays; measured neutron spectra, σ(E) at GACKO (Gamma Collaboration Hutch of Konan University) using SUBARU synchrotron radiation facility; deduced σ(E) for ¹⁴⁷Nd(n, γ) by combining present (γ, n) data with existing (n, γ) data for ^{142,143,144,145,146,148}Nd(n, γ), and using γ-SF method. Comparison of σ(E) for ¹⁴⁷Nd(n, γ) with JENDL-4.0, ENDF/B-VII.1, and ROSFOND-2010 evaluated libraries. Comparison with predictions of Skyrme-Fock-Bogoliubov (HFB) plus quasiparticle random phase approximation (QRPA) model, and axially symmetric-deformed Gogny HFB plus QRPA model of E1 γ-ray strength using TALYS code. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.91.015808
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2478.

2005DE43      Nucl.Phys. A758, 288c (2005)

P.Deroo, S.Goriely, L.Siess, M.Reyniers, H.Van Winckel

How to reconcile the C and s-process abundances in the metal-poor star V453 Oph?

doi: 10.1016/j.nuclphysa.2005.05.050
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2005SI25      Nucl.Phys. A758, 565c (2005)

L.Siess, S.Goriely

S-process nucleosynthesis during Hot dredge-ups

doi: 10.1016/j.nuclphysa.2005.05.104
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2003SI13      Nucl.Phys. A718, 524c (2003)

L.Siess, S.Goriely

S-process nucleosynthesis in primordial AGB stars

doi: 10.1016/S0375-9474(03)00831-5
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