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NSR database version of April 26, 2024.

Search: Author = H.Umeda

Found 13 matches.

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2018SU20      Phys.Rev. C 98, 034613 (2018)

T.Suzuki, S.Chiba, T.Yoshida, K.Takahashi, H.Umeda

Neutrino-nucleus reactions on ¹⁶O based on new shell-model Hamiltonians

NUCLEAR REACTIONS ¹⁶O(ν, e^-)¹⁶F, ¹⁶O(ν-bar, e⁺)¹⁶N, ¹⁶O(ν, ν'), ¹⁶O(ν, e^-p)¹⁵O, ¹⁶O(ν, e^-np)¹⁴O, ¹⁶O(ν, e^-pp)¹⁴N, ¹⁶O(ν, e^-3He)¹³N, ¹⁶O(ν, e^-α)¹²N, ¹⁶O(ν, e^-p³He)¹²C, ¹⁶O(ν, e^-pα)¹¹C, ¹⁶O(ν-bar, e⁺n)¹⁵N, ¹⁶O(ν-bar, e⁺np)¹⁴C, ¹⁶O(ν-bar, e⁺nn)¹⁴N, ¹⁶O(ν-bar, e⁺t)¹³C, ¹⁶O(ν-bar, e⁺α)¹²B, ¹⁶O(ν-bar, e⁺nα)¹¹B, ¹⁶O(ν, ν'n)¹⁵O, ¹⁶O(ν, ν'p)¹⁵N, ¹⁶O(ν, ν'np)¹⁴N, ¹⁶O(ν, ν'pp)¹⁴C, ¹⁶O(ν, ν't)¹³N, ¹⁶O(ν, ν'³He)¹³C, ¹⁶O(ν, ν'α)¹²C, ¹⁶O(ν, ν'nα)¹¹C, ¹⁶O(ν, ν'pα)¹¹B, E=0-100 MeV; calculated ¹⁶O spin-dipole strength, total σ(E), partial σ(E) from each multipole of excited product nucleus or single- and multi-particle emission channels using shell-model with new Hamiltonian SFO-tls, and branching ratios for various channels from Hauser-Feshbach statistical model. Comparison with other theoretical predictions. Discussed production yields of ^6,7Li, ^7,9Be, ^10,11B, ¹¹C from supernova simulations using theoretical reaction cross sections. Discussed effects of multiparticle emission channels on nucleosynthesis in core-collapse supernova explosion. Relevance to supernova (SN) neutrino detection at the Super-Kamiokande.

doi: 10.1103/PhysRevC.98.034613
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2009SU08      Phys.Rev. C 79, 061603 (2009)

T.Suzuki, M.Honma, K.Higashiyama, T.Yoshida, T.Kajino, T.Otsuka, H.Umeda, K.Nomoto

Neutrino-induced reactions on ⁵⁶Fe and ⁵⁶Ni, and production of ⁵⁵Mn in population III stars

NUCLEAR REACTIONS ⁵⁶Fe(ν, e), ⁵⁶Ni(ν, ν'p)(ν, ν'), E not given; calculated charged current reaction σ, GT strengths, and yield of ⁵⁵Mn through successive electron captures using shell-model Hamiltonian in pf shell. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.061603
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2006HA35      Astrophys.J. 648, L47 (2006)

T.Hayakawa, N.Iwamoto, T.Kajino, T.Shizuma, H.Umeda, K.Nomoto

Principle of universality of γ-process nucleosynthesis in core-collapse supernova explosions

doi: 10.1086/507703
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2006HA38      Eur.Phys.J. A 27, Supplement 1, 123 (2006)

T.Hayakawa, N.Iwamoto, T.Shizuma, T.Kajino, H.Umeda, K.Nomoto

Evidence for p-process nucleosynthesis recorded at the Solar System abundances

doi: 10.1140/epja/i2006-08-017-6
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2006NO15      Nucl.Phys. A777, 424 (2006)

K.Nomoto, N.Tominaga, H.Umeda, C.Kobayashi, K.Maeda

Nucleosynthesis yields of core-collapse supernovae and hypernovae, and galactic chemical evolution

doi: 10.1016/j.nuclphysa.2006.05.008
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2005HA50      Nucl.Phys. A758, 525c (2005)

T.Hayakawa, N.Iwamoto, T.Shizuma, T.Kajino, H.Umeda, K.Nomoto

Scaling relations for the supernova γ-process and the ¹⁷⁶Lu nuclear cosmochronometer

doi: 10.1016/j.nuclphysa.2005.05.095
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2005NO12      Nucl.Phys. A758, 263c (2005)

K.Nomoto, N.Tominaga, H.Umeda, K.Maeda, T.Ohkubo, J.Deng

Nucleosynthesis in Hypernovae and Population III Supernovae

doi: 10.1016/j.nuclphysa.2005.05.045
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2004HA47      Phys.Rev.Lett. 93, 161102 (2004)

T.Hayakawa, N.Iwamoto, T.Shizuma, T.Kajino, H.Umeda, K.Nomoto

Evidence for Nucleosynthesis in the Supernova γ Process: Universal Scaling for p Nuclei

doi: 10.1103/PhysRevLett.93.161102
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2003NO05      Nucl.Phys. A718, 277c (2003)

K.Nomoto, H.Umeda, K.Maeda, T.Ohkubo, J.Deng, P.Mazzali

Nucleosynthesis in Hypernovae and Extremely Metal-Poor Stars

doi: 10.1016/S0375-9474(03)00728-0
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2003NO08      Prog.Theor.Phys.(Kyoto), Suppl. 151, 44 (2003)

K.Nomoto, K.Maeda, H.Umeda, T.Ohkubo, J.Deng, P.Mazzali

Nucleosynthesis in Black-Hole-Forming Supernovae and Extremely Metal-Poor Stars

doi: 10.1143/PTPS.151.44
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2003OH05      Nucl.Phys. A718, 632c (2003)

T.Ohkubo, H.Umeda, K.Nomoto

Pop III Hypernova Nucleosynthesis and Abundance Trends in Extremely Metal-Poor Halo Stars

doi: 10.1016/S0375-9474(03)00907-2
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2001NA37      Astrophys.J. 555, 880 (2001)

T.Nakamura, H.Umeda, K.Iwamoto, K.Nomoto, M.-A.Hashimoto, W.R.Hix, F.-K.Thielemann

Explosive Nucleosynthesis in Hypernovae

doi: 10.1086/321495
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1999NA28      Astrophys.J. 517, 193 (1999)

T.Nakamura, H.Umeda, K.Nomoto, F.-K.Thielemann, A.Burrows

Nucleosynthesis in Type II Supernovae and the Abundances in Metal-Poor Stars

doi: 10.1086/307167
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