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NSR database version of April 11, 2024.

Search: Author = R.Hirschi

Found 8 matches.

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2021AD01      Phys.Rev. C 103, 015805 (2021)

P.Adsley, U.Battino, A.Best, A.Caciolli, A.Guglielmetti, G.Imbriani, H.Jayatissa, M.La Cognata, L.Lamia, E.Masha, C.Massimi, S.Palmerini, A.Tattersall, R.Hirschi

Reevaluation of the 22Ne(α, γ)26Mg and 22Ne(α, n)25Mg reaction rates

NUCLEAR REACTIONS 22Ne(α, γ); 25Mg(n, γ); 22Ne(6Li, d); 26Mg(γ, γ'), (p, p'), (d, d'), (α, α'); 11B(16O, p); evaluated experimental data. 26Mg; evaluated nuclear data for levels, resonances, J, π, resonance energies and resonance strengths for (α, γ) and (α, n) reactions, Γα, Γp, Γn. 22Ne(α, γ)26Mg, T=0.010-1.250 GK; 22Ne(α, n)25Mg, T=0.030-1.250 GK; recommended reaction rates, ratios of reaction rates, based on present evaluation and using different statistical methods. Comparison with theoretical predictions. Relevance to weak s process in evolved massive stars and in the helium flash in low-mass AGB stars.

doi: 10.1103/PhysRevC.103.015805
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2019TA20      Phys.Lett. B 798, 134894 (2019)

M.P.Taggart, C.Akers, A.M.Laird, U.Hager, C.Ruiz, D.A.Hutcheon, M.A.Bentley, J.R.Brown, L.Buchmann, A.A.Chen, J.Chen, K.A.Chipps, A.Choplin, J.M.D'Auria, B.Davids, C.Davis, C.Aa.Diget, L.Erikson, J.Fallis, S.P.Fox, U.Frischknecht, B.R.Fulton, N.Galinski, U.Greife, R.Hirschi, D.Howell, L.Martin, D.Mountford, A.St.J.Murphy, D.Ottewell, M.Pignatari, S.Reeve, G.Ruprecht, S.Sjue, L.Veloce, M.Williams

A direct measurement of the 17O(α, γ)21Ne reaction in inverse kinematics and its impact on heavy element production

NUCLEAR REACTIONS 4He(17O, γ)21Ne, E=160, 202, 290, 360 keV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance strengths, S-factors, astrophysical reaction rates.

doi: 10.1016/j.physletb.2019.134894
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2420. Data from this article have been entered in the XUNDL database. For more information, click here.

2017PI16      Geochim.Cosmochim.Act. 221, 37 (2017)

M.Pignatari, P.Hoppe, R.Trappitsch, C.Fryer, F.X.Timmes, F.Herwig, R.Hirschi

The neutron capture process in the He shell in core-collapse supernovae: Presolar silicon carbide grains as a diagnostic tool for nuclear astrophysics

ATOMIC MASSES 90,96Zr, 90Sr, 95,96,97,100Mo; analyzed isotopic abundances in carbon-rich presolar grains; deduced parameters of supernova models.

doi: 10.1016/j.gca.2017.06.005
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2013TO11      Phys.Rev. C 88, 015806 (2013)

H.Toki, T.Suzuki, K.Nomoto, S.Jones, R.Hirschi

Detailed β-transition rates for URCA nuclear pairs in 8-10 solar-mass stars

RADIOACTIVITY 23Ne, 25Na, 27Mg(β-); 23Na, 25Mg, 27Al(EC); calculated β-transition rates for 23Ne - 23Na, 25Na - 25Mg, 27Mg - 27Al URCA nuclear pairs. Shell-model calculations in sd-orbital. Discussed impact on the evolution and cooling process in stars of 810 times the solar mass.

doi: 10.1103/PhysRevC.88.015806
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2010BE40      J.Phys.:Conf.Ser. 202, 012023 (2010)

M.E.Bennett, R.Hirschi, M.Pignatari, S.Diehl, C.Fryer, F.Herwig, A.Hungerford, G.Magkotsios, G.Rockefeller, F.Timmes, M.Wiescher, P.Young

The effect of 12C + 12C rate uncertainties on s-process yields

NUCLEAR REACTIONS 12C(12C, p), (12C, α), E≈50-100 keV;23Na(p, α), E≈50-100 keV; calculated 12C burning rates. A≈12-96 calculated isotope yields based on these burning rates in massive stars for s-process.

doi: 10.1088/1742-6596/202/1/012023
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2007TH05      Prog.Part.Nucl.Phys. 59, 74 (2007)

F.-K.Thielemann, C.Frohlich, R.Hirschi, M.Liebendorfer, I.Dillmann, D.Mocelj, T.Rauscher, G.Martinez-Pinedo, K.Langanke, K.Farouqi, K.-L.Kratz, B.Pfeiffer, I.Panov, D.K.Nadyozhin, S.Blinnikov, E.Bravo, W.R.Hix, P.Hoflich, N.T.Zinner

Production of intermediate-mass and heavy nuclei

doi: 10.1016/j.ppnp.2006.12.019
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2005HI19      Nucl.Phys. A758, 234c (2005)

R.Hirschi, G.Meynet, A.Maeder

Rotating massive stars: Pre-SN models and stellar yields at solar metallicity

doi: 10.1016/j.nuclphysa.2005.05.041
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2005TH04      Nucl.Phys. A751, 301c (2005)

F.-K.Thielemann, D.Argast, F.Brachwitz, J.L.Fisker, C.Frohlich, R.Hirschi, E.Kolbe, D.Mocelj, T.Rauscher

Nuclear Physics: A Key Ingredient in Astrophysical Modeling

doi: 10.1016/j.nuclphysa.2005.02.111
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