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NSR database version of April 11, 2024.

Search: Author = H.T.Janka

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2023SI23 Astrophys.J. 957, L25 (2023)

A.Sieverding, D.Kresse, H.-T.Janka

Production of ⁴⁴Ti and Iron-group Nuclei in the Ejecta of 3D Neutrino-driven Supernovae

ATOMIC MASSES ⁴⁴Ti, ⁵⁶Ni; calculated nucleosynthesis yields from a self-consistent three-dimensional supernova (SN).

doi: 10.3847/2041-8213/ad045b
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2021LE05 Phys.Rev. C 103, 025806 (2021)

J.-F.Lemaitre, S.Goriely, A.Bauswein, H.-T.Janka

Fission fragment distributions and their impact on the r-process nucleosynthesis in neutron star mergers

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; calculated energy of fission fragments with or without the phenomenological distance correction. ²³⁵U, ²³⁹Pu, ²⁵¹Cf(n, F), E=thermal; calculated isotopic and isobaric fission yields, evaporated neutron distributions as a function of the fragment mass number, total mean number of evaporated neutrons per fission, evaporated neutron distribution of spontaneous fission of ²⁵²Cf. Improved scission-point yield (SPY) model, and comparison with GEF model calculations, and with experimental and evaluated data for fission yields.

NUCLEAR STRUCTURE Z=70-124, N=80-290; calculated peak multiplicity for the raw preneutron isobaric yields with corrected distance, mean prompt neutron multiplicity per fission, peak multiplicity for the smooth preneutron isobaric yields with corrected distance, mean available energy release per fission, peak multiplicity for the smooth preneutron isobaric yields without corrected distance, isolines of mean available energy release per fission, and mean prompt neutron multiplicity per fission for 3000 nuclei. Z=84-92, N=118-140; Z=92-104, N=140-160; calculated isobaric fission yields for A=70-160 fragments, abundances of A=50-240 nuclei. Z=93-104, A=272-291; Z=99-110, A=328-347; calculated postneutron fission-fragment distributions (FFDs). Analyzed impact of fission on the r-process nucleosynthesis in binary neutron star mergers. Improved scission-point yield (SPY) model, and comparison with GEF model calculations, and with experimental and evaluated data for fission yields.

doi: 10.1103/PhysRevC.103.025806
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2018WA01 Astrophys.J. 852, 40 (2018)

S.Wanajo, B.Muller, H.-T.Janka, A.Heger

Nucleosynthesis in the Innermost Ejecta of Neutrino-driven Supernova Explosions in Two Dimensions

ATOMIC MASSES Z=1-100; calculated astrophysical abundances, mass fractions.

doi: 10.3847/1538-4357/aa9d97
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2017BA10 Acta Phys.Pol. B48, 651 (2017)

A.Bauswein, R.A.Pulpillo, J.A.Clark, O.Just, S.Goriely, H.-T.Janka, N.Stergioulas

Neutron-star Mergers and Nuclear Physics

doi: 10.5506/APhysPolB.48.651
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2017BO24 Phys.Rev.Lett. 119, 242702 (2017)

R.Bollig, H.-T.Janka, A.Lohs, G.Martinez-Pinedo, C.J.Horowitz, T.Melson

Muon Creation in Supernova Matter Facilitates Neutrino-Driven Explosions

doi: 10.1103/PhysRevLett.119.242702
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2017WO03 Astrophys.J. 842, 13 (2017)

A.Wongwathanarat, H.-T.Janka, E.Muller, E.Pllumbi, S.Wanajo

Production and Distribution of ⁴⁴Ti and ⁵⁶Ni in a Three-dimensional Supernova Model Resembling Cassiopeia A

doi: 10.3847/1538-4357/aa72de
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2016BA17 Eur.Phys.J. A 52, 56 (2016)

A.Bauswein, N.Stergioulas, H.-T.Janka

Exploring properties of high-density matter through remnants of neutron-star mergers

doi: 10.1140/epja/i2016-16056-7
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2015AT03 Phys.Rev.Lett. 115, 232501 (2015)

D.Atanasov, P.Ascher, K.Blaum, R.B.Cakirli, T.E.Cocolios, S.George, S.Goriely, F.Herfurth, H.-T.Janka, O.Just, M.Kowalska, S.Kreim, D.Kisler, Y.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Precision Mass Measurements of ^129-131Cd and Their Impact on Stellar Nucleosynthesis via the Rapid Neutron Capture Process

ATOMIC MASSES ^129,130,131Cd; measured TOF-ICR resonance spectra; deduced masses, corrections to the existing values, neutron separation energies. Penning-trap spectrometer ISOLTRAP at ISOLDE/CERN.

doi: 10.1103/PhysRevLett.115.232501
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2015ME10 Phys.Rev. C 92, 055805 (2015)

J.Mendoza-Temis, M.-R.Wu, K.Langanke, G.Martinez-Pinedo, A.Bauswein, H.-T.Janka

Nuclear robustness of the r process in neutron-star mergers

ATOMIC MASSES A=108-288; calculated r-process abundances of slow ejecta for different mass models at different phases of the evolution in neutron star mergers using three-dimensional relativistic smoothed particle hydrodynamic simulation, and extended nuclear network of 7300 nuclei from free nucleons up to ³¹³Ds, including spontaneous, β^- and neutron-induced fission, fission yield distributions from the ABLA code. Comparison with observed r-process abundances.

NUCLEAR REACTIONS ²⁷⁸Am(n, F); calculated fission fragment distributions as functions of charge, neutron number, and mass number for neutron using the ABLA code.

doi: 10.1103/PhysRevC.92.055805
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2013GO17 Phys.Rev.Lett. 111, 242502 (2013)

S.Goriely, J.-L.Sida, J.-F.Lemaitre, S.Panebianco, N.Dubray, S.Hilaire, A.Bauswein, H.-T.Janka

New Fission Fragment Distributions and r-Process Origin of the Rare-Earth Elements

doi: 10.1103/PhysRevLett.111.242502
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2013WA11 Astrophys.J. 767, L26 (2013)

S.Wanajo, H.-T.Janka, B.Muller

Electron-capture Supernovae as Origin of ⁴⁸Ca

doi: 10.1088/2041-8205/767/2/L26
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2013WA21 Astrophys.J. 774, L6 (2013)

S.Wanajo, H.-T.Janka, B.Muller

Electron-capture supernovae as sources of ⁶⁰Fe

doi: 10.1088/2041-8205/774/1/L6
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2012GO14 J.Phys.:Conf.Ser. 337, 012039 (2012)

S.Goriely, A.Bauswein, H.-T.Janka

R-process nucleosynthesis during the decompression of neutron star crust material

COMPILATION A=65-250; compiled ejectile mass distribution, abundance mass distribution, mean mass, charge time dependence, relative T_1/2 for spontaneous fission, β-delayed fission, neutron-induced fission and neutron capture using NETGEN library supplemented with TALYS calculations based on HFB-21 nuclear mass model.

doi: 10.1088/1742-6596/337/1/012039
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2012KU27 Prog.Theor.Phys.(Kyoto), Suppl. 196, 346 (2012)

S.Kubono, N.B.Dam, S.Hayakawa, H.Hashimoto, D.Kahl, H.Yamaguchi, Y.Wakabayashi, T.Teranishi, N.Iwasa, T.Komatsubara, S.Kato, A.Chen, S.Cherubini, S.H.Choi, I.S.Hahn, J.J.He, H.K.Le, C.S.Lee, Y.K.Kwon, S.Wanajo, H.-T.Janka

Alpha-Cluster Dominance in the αp Process in Explosive Hydrogen Burning

NUCLEAR REACTIONS ⁴He(¹¹C, p), E(cm)=1-4.5 MeV; ⁴He(²¹Na, p), E(cm)=2-7 MeV; measured reaction products; deduced σ, resonances, reaction for αp process. Comparison with available data.

doi: 10.1143/PTPS.196.346
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2012WA04 Astrophys.J. 746, 180 (2012)

S.Wanajo, H.-T.Janka

The r-process in the Neutrino-driven Wind from a Black-hole Torus

doi: 10.1088/0004-637X/746/2/180
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2011WA45 J.Phys.:Conf.Ser. 312, 042008 (2011)

S.Wanajo, H.-T.Janka, B.Muller, S.Kubono

Proton vs. neutron captures in the neutrino winds of core-collapse supernovae

doi: 10.1088/1742-6596/312/4/042008
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2008AR06 Phys.Rev. C 78, 015806 (2008)

A.Arcones, G.Martinez-Pinedo, E.O'Connor, A.Schwenk, H.-Th.Janka, C.J.Horowitz, K.Langanke

Influence of light nuclei on neutrino-driven supernova outflows