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NSR database version of May 30, 2024.

Search: Author = A.Ohnishi

Found 85 matches.

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2024XU07      Phys.Rev. C 109, 044609 (2024)

J.Xu, H.Wolter, M.Colonna, M.D.Cozma, P.Danielewicz, Ch.M.Ko, A.Ono, M.Y.B.Tsang, Y.-X.Zhang, H.-G.Cheng, N.Ikeno, R.Kumar, J.Su, H.Zheng, Zh.Zhang, L.-W.Chen, Zh.-Q.Feng, Ch.Hartnack, A.Le Fevre, B.-A.Li, Y.Nara, A.Ohnishi, F.-Sh.Zhang

Comparing pion production in transport simulations of heavy-ion collisions at 270 A MeV under controlled conditions

doi: 10.1103/PhysRevC.109.044609
Citations: PlumX Metrics


2023JI14      Phys.Rev. C 108, 065803 (2023)

A.Jinno, K.Murase, Y.Nara, A.Ohnishi

Repulsive Λ potentials in dense neutron star matter and binding energy of Λ in hypernuclei

doi: 10.1103/PhysRevC.108.065803
Citations: PlumX Metrics


2023NA22      Phys.Rev. C 108, 024910 (2023)

Y.Nara, A.Jinno, T.Maruyama, K.Murase, A.Ohnishi

Poincare covariant cascade method for high-energy nuclear collisions

doi: 10.1103/PhysRevC.108.024910
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2022KA05      Phys.Rev. C 105, 014915 (2022)

Y.Kamiya, K.Sasaki, T.Fukui, T.Hyodo, K.Morita, K.Ogata, A.Ohnishi, T.Hatsuda

Femtoscopic study of coupled-channels NX and ΛΛ interactions

doi: 10.1103/PhysRevC.105.014915
Citations: PlumX Metrics


2022KA23      Eur.Phys.J. A 58, 131 (2022)

Y.Kamiya, T.Hyodo, A.Ohnishi

Femtoscopic study on DD* and DD-bar* interactions for Tcc and X(3872)

doi: 10.1140/epja/s10050-022-00782-y
Citations: PlumX Metrics


2022NA05      Phys.Rev. C 105, 014911 (2022)

Y.Nara, A.Ohnishi

Mean-field update in the JAM microscopic transport model: Mean-field effects on collective flow in high-energy heavy-ion collisions at √ sNN=2-20 GeV energies

doi: 10.1103/PhysRevC.105.014911
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2022NA35      Phys.Rev. C 106, 044902 (2022)

Y.Nara, A.Jinno, K.Murase, A.Ohnishi

Directed flow of Λ in high-energy heavy-ion collisions and Λ potential in dense nuclear matter

doi: 10.1103/PhysRevC.106.044902
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2021OG01      Phys.Rev. C 103, 065205 (2021)

K.Ogata, T.Fukui, Y.Kamiya, A.Ohnishi

Effect of deuteron breakup on the deuteron-Ξ correlation function

NUCLEAR REACTIONS 2H(Ξ-, Ξ-'), at relative momentum of <70 MeV/c; calculated scattering phase shifts, breakup effect of deuterons in the deuteron-Ξ- correlation function using nucleon-nucleon-Ξ three-body reaction model with the continuum discretized coupled-channels (CDCC) method; deduced strong interaction enhanced by the deuteron breakup effect due to low-lying neutron-neutron continuum states.

doi: 10.1103/PhysRevC.103.065205
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2020IK02      Phys.Rev. C 101, 034607 (2020)

N.Ikeno, A.Ono, Ya.Nara, A.Ohnishi

Effects of Pauli blocking on pion production in central collisions of neutron-rich nuclei

NUCLEAR REACTIONS 124Sn(132Sn, X), E=270 MeV/nucleon; 197Au(197Au, X), E=400 MeV/nucleon; calculated Pauli blocking probability for forward and reverse production of Δ baryons0, Δ-++ ratio, Δ production per event, π-+ production ratio, π production multiplicity, integrated Δ decay rates using combined antisymmertrized molecular dynamics (AMD) and the Jet AA Microscopic (JAM) transport model.

doi: 10.1103/PhysRevC.101.034607
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2020KA21      Phys.Rev.Lett. 124, 132501 (2020)

Y.Kamiya, Te.Hyodo, K.Morita, A.Ohnishi, W.Weise

K-p Correlation Function from High-Energy Nuclear Collisions and Chiral SU(3) Dynamics

doi: 10.1103/PhysRevLett.124.132501
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2020MO04      Phys.Rev. C 101, 015201 (2020)

K.Morita, S.Gongyo, T.Hatsuda, T.Hyodo, Y.Kamiya, A.Ohnishi

Probing ΩΩ and pΩ dibaryons with femtoscopic correlations in relativistic heavy-ion collisions

doi: 10.1103/PhysRevC.101.015201
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2020OH04      Prog.Theor.Exp.Phys. 2020, 063D01 (2020)

A.Ohnishi, C.Ishizuka, K.Tsubakihara, Y.Hirata

Statistical double Λ hypernuclear formation from Ξ-absorption at rest in light nuclei

NUCLEAR REACTIONS 12C, 14N, 16O(Ξ-, X)6He/10Be/13B, E at rest; analyzed available data; deduced formation probabilities.

doi: 10.1093/ptep/ptaa047
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2020TA14      Phys.Rev. C 102, 021901 (2020)

H.Taya, A.Park, S.Cho, P.Gubler, K.Hattori, J.Hong, X.-G.Huang, S.H.Lee, A.Monnai, A.Ohnishi, M.Oka, D.-L.Yang, for the ExHIC-P Collaboration

Signatures of the vortical quark-gluon plasma in hadron yields

doi: 10.1103/PhysRevC.102.021901
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2019ON02      Phys.Rev. C 100, 044617 (2019)

A.Ono, J.Xu, M.Colonna, P.Danielewicz, C.M.Ko, M.B.Tsang, Y.-J.Wang, H.Wolter, Y.-X.Zhang, L.-W.Chen, D.Cozma, H.Elfner, Z.-Q.Feng, N.Ikeno, B.-A.Li, S.Mallik, Y.Nara, T.Ogawa, A.Ohnishi, D.Oliinychenko, J.Su, T.Song, F.-S.Zhang, Z.Zhang

Comparison of heavy-ion transport simulations: Collision integral with pions and Δ resonances in a box

doi: 10.1103/PhysRevC.100.044617
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2018AK06      Phys.Rev. C 98, 024909 (2018)

Y.Akamatsu, M.Asakawa, T.Hirano, M.Kitazawa, K.Morita, K.Murase, Y.Nara, C.Nonaka, A.Ohnishi

Dynamically integrated transport approach for heavy-ion collisions at high baryon density

doi: 10.1103/PhysRevC.98.024909
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2018NA05      Eur.Phys.J. A 54, 18 (2018)

Y.Nara, H.Niemi, A.Ohnishi, J.Steinheimer, X.Luo, H.Stocker

Enhancement of elliptic flow can signal a first-order phase transition in high-energy heavy-ion collisions

NUCLEAR REACTIONS 197Au(197Au, x), E=3-30 GeV; calculated elliptic proton, charged hadron flow using microscopic model JAM; deduced temperature, baryon density time dependence, EoS (Equation of State).

doi: 10.1140/epja/i2018-12413-x
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2018WU10      Phys.Rev. C 98, 065801 (2018)

X.Wu, A.Ohnishi, H.Shen

Effects of quark-matter symmetry energy on hadron-quark coexistence in neutron-star matter

doi: 10.1103/PhysRevC.98.065801
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2018ZH12      Phys.Rev. C 97, 034625 (2018)

Y.-X.Zhang, Y.-J.Wang, M.Colonna, P.Danielewicz, A.Ono, M.B.Tsang, H.Wolter, J.Xu, L.-W.Chen, D.Cozma, Z.-Q.Feng, S.Das Gupta, N.Ikeno, C.-M.Ko, B.-A.Li, Q.-F.Li, Z.-X.Li, S.Mallik, Y.Nara, T.Ogawa, A.Ohnishi, D.Oliinychenko, M.Papa, H.Petersen, J.Su, T.Song, J.Weil, N.Wang, F.g-S.Zhang, Z.Zhang

Comparison of heavy-ion transport simulations: Collision integral in a box

doi: 10.1103/PhysRevC.97.034625
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2017HA26      Nucl.Phys. A967, 856 (2017)

T.Hatsuda, K.Morita, A.Ohnishi, K.Sasaki

-Correlation in Relativistic Heavy Ion Collisions with Nucleon-Hyperon Interaction from Lattice QCD

doi: 10.1016/j.nuclphysa.2017.04.041
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2016IK01      Phys.Rev. C 93, 044612 (2016), Erratum Phys.Rev. C 97, 069901 (2018)

N.Ikeno, A.Ono, Y.Nara, A.Ohnishi

Probing neutron-proton dynamics by pions

NUCLEAR REACTIONS 197Au(197Au, X), E=0.1-1.6 GeV/nucleon; calculated charged pion multiplicities of π+ and π- by hadronic cascade model (JAM), compared with experimental data. 132Sn(124Sn, X), E=300 MeV/nucleon; calculated time evolution of the neutron and proton densities, reaction rates of Δ production and Δ absorption and the numbers of existing Δ resonances and pions, time evolution of Δ-++, π-+, squared ratio of neutrons and protons, nucleon ratios, momentum distribution of π- and π+ using antisymmetrized molecular dynamics (AMD) and JAM.

doi: 10.1103/PhysRevC.93.044612
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2016MO27      Phys.Rev. C 94, 031901 (2016), Erratum Phys.Rev. C 100, 069902 (2019)

K.Morita, A.Ohnishi, F.Etminan, T.Hatsuda

Probing multistrange dibaryons with proton-omega correlations in high-energy heavy ion collisions

doi: 10.1103/PhysRevC.94.031901
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2016NA30      Phys.Rev. C 94, 034906 (2016)

Y.Nara, H.Niemi, A.Ohnishi, H.Stocker

Examination of directed flow as a signature of the softest point of the equation of state in QCD matter

doi: 10.1103/PhysRevC.94.034906
Citations: PlumX Metrics


2016NA35      Nucl.Phys. A956, 284 (2016)

Y.Nara, A.Ohnishi

Does non-monotonic behavior of directed flow signal the onset of deconfinement?

NUCLEAR REACTIONS 197Au(197Au, p), (197Au, π), E at √ sNN=7.7-27 GeV; measured Ep, Ip(θ), Eπ, Iπ(θ); deduced proton, pion directed flow vs rapidity, possible deconfinement; calculated proton, pion directed flow vs rapidity using JAM transport model with potentials from QMD.

doi: 10.1016/j.nuclphysa.2016.01.026
Citations: PlumX Metrics


2016OH03      Nucl.Phys. A954, 294 (2016)

A.Ohnishi, K.Morita, K.Miyahara, T.Hyodo

Hadron-hadron correlation and interaction from heavy-ion collisions

doi: 10.1016/j.nuclphysa.2016.05.010
Citations: PlumX Metrics


2015MO04      Phys.Rev. C 91, 024916 (2015)

K.Morita, T.Furumoto, A.Ohnishi

ΛΛ interaction from relativistic heavy-ion collisions

doi: 10.1103/PhysRevC.91.024916
Citations: PlumX Metrics


2013IS03      Phys.Rev. C 87, 021304 (2013)

M.Isaka, M.Kimura, A.Dote, A.Ohnishi

Splitting of the p orbit in triaxially deformed Λ25MG

NUCLEAR STRUCTURE 25Mg; calculated levels, J, π, rotational bands, single-particle energy contours in β-γ plane, Intraband B(E2) for hypernucleus relative to 24Mg nucleus. Hyper-antisymmetrized molecular dynamics calculations.

doi: 10.1103/PhysRevC.87.021304
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2013IS11      Nucl.Phys. A914, 189c (2013)

M.Isaka, M.Kimura, A.Dote, A.Ohnishi

Excited states with Λ hyperon in p-orbit in 25ΛMg

NUCLEAR STRUCTURE 25Mg; calculated Λ hypernucleus levels, J, π, bands, deformation using antisymmetrized molecular dynamics.

doi: 10.1016/j.nuclphysa.2013.01.027
Citations: PlumX Metrics


2013OH07      Nucl.Phys. A914, 367c (2013)

A.Ohnishi, S.Cho, T.Furumoto, T.Hyodo, D.Jido, C.M.Ko, K.Morita, S.H.Lee, M.Nielsen, T.Sekihara, S.Yasui, K.Yazaki, for the ExHIC Collaboration

Exotic hadrons and hadron-hadron interactions in heavy-ion collisions

doi: 10.1016/j.nuclphysa.2013.01.083
Citations: PlumX Metrics


2013TS03      Nucl.Phys. A914, 438c (2013)

K.Tsubakihara, A.Ohnishi

Three-body couplings in RMF and its effects on hyperonic star equation of state

NUCLEAR STRUCTURE C, O, Si, Ca, Ni, Zr, Sn, Pb; calculated Λ hypernuclei mass, Q using three-body coupling parameters sets TB-a and TB-b within relativistic mean field. Compared to data.

doi: 10.1016/j.nuclphysa.2013.04.006
Citations: PlumX Metrics


2012IS02      Phys.Rev. C 85, 034303 (2012)

M.Isaka, H.Homma, M.Kimura, A.Dote, A.Ohnishi

Modification of triaxial deformation and change of spectrum in Λ 25Mg caused by the Λ hyperon

NUCLEAR STRUCTURE 25Mg; calculated levels, J, π, bands, density distribution, and β-γ surface contours, deformation parameters, B(E2) values of hypernucleus. Antisymmetrized molecular dynamics for hypernucleus (HyperAMD) and Generator coordinate method (GCM). 24Mg; calculated levels, J, π, bands, density distribution, and β-γ surface contours, deformation parameters, B(E2) values. Antisymmetrized molecular dynamics, and Generator coordinate method (GCM). Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034303
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2011CH63      Phys.Rev. C 84, 064910 (2011)

S.Cho, T.Furumoto, T.Hyodo, D.Jido, C.M.Ko, S.H.Lee, M.Nielsen, A.Ohnishi, T.Sekihara, S.Yasui, K.Yazaki

Exotic hadrons in heavy ion collisions

doi: 10.1103/PhysRevC.84.064910
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2011IS02      Phys.Rev. C 83, 044323 (2011)

M.Isaka, M.Kimura, A.Dote, A.Ohnishi

Deformation of hypernuclei studied with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 8,9Be, 12,13C, 19,20,21Ne; calculated energy curves, total energies and binding energies, rms radii as function of β and γ deformation parameters, and density plots for hypernuclei using antisymmetrized molecular dynamics (HyperAMD) for structure of p-sd shell hypernuclei. Possibility of parity inversion in 20Ne hypernucleus.

doi: 10.1103/PhysRevC.83.044323
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2011IS03      Phys.Rev. C 83, 054304 (2011)

M.Isaka, M.Kimura, A.Dote, A.Ohnishi

Shell and cluster states of 21ΛNe studied with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 21Ne; calculated levels, J, π, K=0+ and 0- bands, B(E2), rms radii, density distributions of hypernucleus. Antisymmetrized molecular dynamics (AMD) for hypernuclei. Comparison with AMD calculations for levels, J, π, bands in 20Ne. Cluster structure.

doi: 10.1103/PhysRevC.83.054304
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2011MA10      Phys.Rev. C 83, 024312 (2011)

H.Matsumiya, K.Tsubakihara, M.Kimura, A.Dote, A.Ohnishi

Level structure and production cross section of 12 over Ξ Be studied with coupled-channels antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 11,12C, 11B, 12Be; calculated levels, J, π, rms radii, β and γ deformations, density distributions. Coupled-channel antisymmetrized molecular dynamics. Multistrangeness system. Comparison with experimental data and with shell model predictions.

NUCLEAR REACTIONS 12C(π+, K+)12C, E at 1050 MeV/c; 12C(K-, K+)12Be, E at 1800 MeV/c; calculated spectra, differential cross sections for production of hypernuclei 12C and 12Be, spectroscopic factors. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.024312
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2011YO09      J.Korean Phys.Soc. 59, 1003s (2011)

C.J.Yoon, H.Akikawa, K.Aoki, Y.Fukao, H.Funahashi, M.Hayata, K.Imai, K.Miwa, H.Okada, N.Saito, H.D.Sato, K.Shoji, H.Takahashi, K.Taketani, J.Asai, M.Kurosawa, M.Ieiri, T.Hayakawa, T.Kishimoto, A.Sato, Y.Shimizu, K.Yamamoto, T.Yoshida, T.Hibi, K.Nakazawa, J.K.Ahn, B.H.Choi, S.J.Kim, S.H.Kim, B.D.Park, I.G.Park, J.S.Song, C.S.Yoon, K.Tanida, A.Ohnishi, and the KEK-PS E522 Collaboration

Probing ΛΛ Potential

doi: 10.3938/jkps.59.1003
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2010MA71      Nucl.Phys. A835, 366c (2010)

H.Matsumiya, K.Tsubakihara, M.Isaka, M.Kimura, A.Dote, A.Ohnishi

Spin-dependence of the Ξ-N interaction and the Ξ hypernuclear production spectrum

NUCLEAR STRUCTURE 12Be; calculated Ξ hypernucleus levels, J, π using different interactions. 12C; calculated Λ hypernucleus quadrupole deformation energy.

doi: 10.1016/j.nuclphysa.2010.01.220
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2010OH03      Nucl.Phys. A835, 374c (2010)

A.Ohnishi, K.Tsubakihara, K.Sumiyoshi, C.Ishizuka, S.Yamada, H.Suzuki

EOS of hyperonic matter for core-collapse supernovae

doi: 10.1016/j.nuclphysa.2010.01.222
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2010SA03      Phys.Rev. C 81, 014002 (2010)

P.K.Sahu, K.Tsubakihara, A.Ohnishi

Nuclear matter and finite nuclei in an effective chiral model

NUCLEAR STRUCTURE 208Pb; calculated neutron single-particle energies in the effective chiral models TM1, SCL2, SCL2 and STO.

doi: 10.1103/PhysRevC.81.014002
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2010SU32      Nucl.Phys. A835, 295c (2010)

K.Sumiyoshi, K.Nakazato, C.Ishizuka, A.Ohnishi, S.Yamada, H.Suzuki

Emergence of hyperons in failed supernovae with short neutrino bursts

doi: 10.1016/j.nuclphysa.2010.01.205
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2010TS02      Phys.Rev. C 81, 065206 (2010)

K.Tsubakihara, H.Maekawa, H.Matsumiya, A.Ohnishi

Λ hypernuclei and neutron star matter in a chiral SU(3) relativistic mean field model with a logarithmic potential

NUCLEAR STRUCTURE 12C, 16O, 28Si, 40,48Ca, 58Ni, 90Zr, 116Sn, 196,208Pb; calculated binding energies, charge rms radii. 12,13C; calculated separation energies of hypernuclei. Chiral SU(3) symmetric RMF model with SCL3, SCL2, TM1 and TM2 calculations.

doi: 10.1103/PhysRevC.81.065206
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2009FR11      Nucl.Phys. A830, 519c (2009)

R.J.Fries, T.Kunihiro, B.Muller, A.Ohnishi, A.Schafer

From 0 to 5000 in 2 x 10-24 seconds: Entropy production in relativistic heavy-ion collisions

doi: 10.1016/j.nuclphysa.2009.09.041
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2009OH04      Phys.Rev. C 80, 038202 (2009)

A.Ohnishi, D.Jido, T.Sekihara, K.Tsubakihara

Possibility of an s-wave pion condensate in neutron stars reexamined

doi: 10.1103/PhysRevC.80.038202
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2007MA73      Eur.Phys.J. A 33, 269 (2007)

H.Maekawa, K.Tsubakihara, A.Ohnishi

Analysis of (π±, K+) and (K-, K+) hypernuclear production spectra in distorted-wave impulse approximation

NUCLEAR REACTIONS 28Si(π+, K+), E at 1.2 GeV/c; C, Al, Cu, Ag, Pb(π+, K+), E at 1.65 GeV/c; 12C, 27Al(K-, K+), E at 1.65 GeV/c; calculated hypernuclei production σ(θ, E).

doi: 10.1140/epja/i2007-10479-1
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2007OH08      J.Phys.(London) G34, S655 (2007)

A.Ohnishi, N.Kawamoto, K.Miura

Phase diagram at finite temperature and quark density in the strong coupling region of lattice QCD for colour SU(3)

doi: 10.1088/0954-3899//34/8/S66
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2007TS08      Eur.Phys.J. A 33, 295 (2007)

K.Tsubakihara, H.Maekawa, A.Ohnishi

Hypernuclei and nuclear matter in a chiral SU(3) RMF model

doi: 10.1140/epja/i2007-10474-6
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2007YO01      Phys.Rev. C 75, 022201 (2007)

C.J.Yoon, H.Akikawa, K.Aoki, Y.Fukao, H.Funahashi, M.Hayata, K.Imai, K.Miwa, H.Okada, N.Saito, H.D.Sato, K.Shoji, H.Takahashi, K.Taketani, J.Asai, M.Kurosawa, M.Ieiri, T.Hayakawa, T.Kishimoto, A.Sato, Y.Shimizu, K.Yamamoto, T.Yoshida, T.Hibi, K.Nakazawa, J.K.Ahn, B.H.Choi, S.J.Kim, S.H.Kim, B.D.Park, I.G.Park, J.S.Song, C.S.Yoon, K.Tanida, A.Ohnishi, and the KEK-PS E522 Collaboration

Search for the H-dibaryon resonance in 12C(K-, K+ΛΛX)

NUCLEAR REACTIONS 12C(K-, K+X), E at 1.67 GeV/c; measured ΛΛ invariant mass spectra; deduced σ upper limit for H-dibaryon production.

doi: 10.1103/PhysRevC.75.022201
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2006OH03      Pramana 66, 797 (2006)

A.Ohnishi, M.Isse, N.Otuka, P.K.Sahu, Y.Nara

Collective flows in high-energy heavy-ion collisions at AGS and SPS energies

NUCLEAR REACTIONS Pb(Pb, X), 197Au(197Au, X), E=2-158 GeV/nucleon; calculated protons sideward, directed, and elliptic flow. Nonequilibrium transport model, comparison with data.

doi: 10.1007/BF02704808
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2006SA24      Pramana 66, 809 (2006)

P.K.Sahu, N.Otuka, M.Isse, Y.Nara, A.Ohnishi

Re-hardening of hadron transverse mass spectra in relativistic heavy-ion collisions

NUCLEAR REACTIONS 197Au(197Au, X), 208Pb(208Pb, X), E=high; analyzed particle rapidity distributions, transverse mass spectra; deduced possible quark-gluon plasma signal. Jet-implemented hadron-string cascade model.

doi: 10.1007/BF02704779
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2006SA34      Pramana 67, 257 (2006)

P.K.Sahu, A.Ohnishi, M.Isse, N.Otuka, S.C.Phatak

Elliptic flow in a hadron-string cascade model at 130 GeV energy

NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=130 GeV/nucleon; calculated elliptic flow vs transverse momentum, pseudo-rapidity, centrality. Jet-implemented hadron-string cascade model, comparison with data.

doi: 10.1007/s12043-006-0070-5
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2005HI21      Phys.Rev. C 72, 041901 (2005)

T.Hirano, M.Isse, Y.Nara, A.Ohnishi, K.Yoshino

Hadron-string cascade versus hydrodynamics in Cu+Cu collisions at √ sNN = 200 GeV

NUCLEAR REACTIONS Cu(Cu, X), E(cm)=200 GeV/nucleon; calculated charged hadrons pseudorapidity and transverse momentum distributions, elliptic flow. Hadronic cascade and ideal hydrodynamic models.

doi: 10.1103/PhysRevC.72.041901
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2005IS12      Prog.Theor.Phys.(Kyoto) 114, 573 (2005)

A.Isshiki, K.Naito, A.Ohnishi

Antisymmetrized Molecular Dynamics with Coherent State Pions and Its Application to Excited Spectrum of 12C

NUCLEAR STRUCTURE 12C; calculated level energies. Antisymmetrized molecular dynamics with coherent state pions.

doi: 10.1143/PTP.114.573
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2005IS15      Phys.Rev. C 72, 064908 (2005)

M.Isse, A.Ohnishi, N.Otuka, P.K.Sahu, Y.Nara

Mean-field effects on collective flow in high-energy heavy-ion collisions at 2-158A GeV energies

NUCLEAR REACTIONS Pb(Pb, X), 197Au(197Au, X), E=2-158 GeV/nucleon; analyzed collective flow data; deduced mean-field effects. Nonequilibrium transport model.

doi: 10.1103/PhysRevC.72.064908
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2004IS18      Prog.Theor.Phys.(Kyoto), Suppl. 156, 152 (2004)

C.Ishizuka, A.Ohnishi, K.Sumiyoshi, S.Yamada

Finite Temperature Effects on Supernova Explosion Energy and Hyperon Composition

doi: 10.1143/PTPS.156.152
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2004YA31      Prog.Theor.Phys.(Kyoto), Suppl. 156, 150 (2004)

S.Yamaguchi, A.Ohnishi

Radial Expansion Effects on Spallation IMF Formation

NUCLEAR REACTIONS O, Na, Sc(p, X), E=high; calculated intermediate mass fragment energy and angular distributions.

doi: 10.1143/PTPS.156.150
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2003IS08      Nucl.Phys. A723, 517 (2003)

C.Ishizuka, A.Ohnishi, K.Sumiyoshi

Liquid-gas phase transition of supernova matter and its relation to nucleosynthesis

doi: 10.1016/S0375-9474(03)01324-1
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2003SA25      Pramana 60, 1107 (2003)

P.K.Sahu, N.Otuka, A.Ohnishi, M.Baldo

Systematics of elliptic flow in heavy-ion collisions

doi: 10.1007/BF02707040
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2003SA60      Pramana 61, 1027 (2003)

P.K.Sahu, A.Ohnishi

Radial, sideward and elliptic flow at AGS energies

NUCLEAR REACTIONS 197Au(197Au, X), E=0.2-11.6 GeV/nucleon; analyzed sideward and elliptic flow.

doi: 10.1007/BF02704474
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2002HI14      Nucl.Phys. A707, 193 (2002)

Y.Hirata, A.Ohnishi, Y.Nara, T.Kido, T.Maruyama, N.Otuka, K.Niita, H.Takada, S.Chiba

Sideward Peak of Intermediate Mass Fragments in High Energy Proton Induced Reactions

NUCLEAR REACTIONS 197Au(p, X), E=12 GeV; calculated fragments energy, angle, and mass distributions; deduced intermediate mass fragment formation and sideward enhancement mechanism features. Transport and nonequilibrated percolation models.

doi: 10.1016/S0375-9474(02)00747-9
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2002IS14      Prog.Theor.Phys.(Kyoto), Suppl. 146, 373 (2002)

C.Ishizuka, A.Ohnishi, K.Sumiyoshi

Fragment Distribution in Coexistence Phase of Supernova Matter

doi: 10.1143/PTPS.146.373
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2002IS15      Prog.Theor.Phys.(Kyoto), Suppl. 146, 569 (2002)

C.Ishizuka, A.Ohnishi, K.Sumiyoshi

Nucleosynthesis and Characteristics in Liquid-Gas Coexistence Phase of Supernova Matter

doi: 10.1143/PTPS.146.569
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2002IS16      Prog.Theor.Phys.(Kyoto), Suppl. 146, 571 (2002)

A.Isshiki, A.Ohnishi

Lambda-Sigma Mixing Induced by Condensed Pions in Dense Matter

doi: 10.1143/PTPS.146.571
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2001OH05      Nucl.Phys. A684, 595c (2001)

A.Ohnishi, Y.Hirata, Y.Nara, S.Shinmura, Y.Akaishi

Hyperon Distribution and Correlation in (K-, K+) Reactions

NUCLEAR REACTIONS 9Be(K-, K+), E at 1.8 GeV/c; 12C(K-, K+), E at 1.65 GeV/c; analyzed kaon and hyperon momentum spectra, ΛΛ invariant mass spectra. Intra-nuclear cascade model.

doi: 10.1016/S0375-9474(01)00388-8
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2001OH08      Nucl.Phys. A691, 242c (2001)

A.Ohnishi, Y.Hirata, Y.Nara, S.Shinmura, Y.Akaishi

Λ-Λ Correlation in (K-, K+) Reaction - Is There a Virtual Pole ?

NUCLEAR REACTIONS 12C(K-, K+), E at 1.65 GeV/c; 9Be(K-, K+), E at 1.8 GeV/c; calculated kaon spectra, hyperon momentum distributions, correlations. Microscopic transport model.

doi: 10.1016/S0375-9474(01)01037-5
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2001SA61      Nucl.Phys. A691, 439c (2001)

P.K.Sahu, A.Ohnishi

Hyperonic Matter in Neutron Star

doi: 10.1016/S0375-9474(01)01070-3
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2000NA03      Phys.Rev. C61, 024901 (2000)

Y.Nara, N.Otuka, A.Ohnishi, K.Niita, S.Chiba

Relativistic Nuclear Collisions at 10A GeV Energies from p + Be to Au + Au with the Hadronic Cascade Model

NUCLEAR REACTIONS 1n, 1H(p, X), (π+, X), (π-, X), (K+, X), (K-, X), E(cm) ≈ 1-3 GeV; analyzed total, elastic, pion and hyperon production σ. Be(p, X), 27Al, Cu, 197Au(p, X), (Si, X), E at 14.6 GeV/c; calculated proton, pion, kaon invariant cross sections, transverse momenta; 197Au(197Au, X), E at 11.6 GeV/c; calculated protons, pions rapidity, transverse mass; deduced mass dependence of collision dynamics. Hadronic cascade model, comparisons with data.

doi: 10.1103/PhysRevC.61.024901
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2000OH04      Nucl.Phys. A670, 297c (2000)

A.Ohnishi, Y.Hirata, Y.Nara, S.Shinmura, Y.Akaishi

Can We Extract Lamda-Lambda Interaction from Two-Particle Momentum Correlation ?

NUCLEAR REACTIONS 12C(K-, K+), E at 1.65 GeV/c; analyzed invariant mass spectra; deduced hyperon-hyperon scattering parameters.

doi: 10.1016/S0375-9474(00)00117-2
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2000SA22      Nucl.Phys. A672, 376 (2000)

P.K.Sahu, W.Cassing, U.Mosel, A.Ohnishi

Baryon Flow from SIS to AGS Energies

NUCLEAR REACTIONS 197Au(197Au, X), E=0.25-11.0 GeV/nucleon; analyzed proton spectra, sideward and elliptic flow features; deduced parameters.

doi: 10.1016/S0375-9474(99)00854-4
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2000SA53      Prog.Theor.Phys.(Kyoto) 104, 1163 (2000)

P.K.Sahu, A.Ohnishi

SU(2) Chiral Sigma Model and Properties of Neutron Stars

doi: 10.1143/PTP.104.1163
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1999HI06      Prog.Theor.Phys.(Kyoto) 102, 89 (1999)

Y.Hirata, Y.Nara, A.Ohnishi, T.Harada, J.Randrup

Quantum Fluctuation Effects on Hyperfragment Formation from Ξ- Absorption at Rest on 12C

NUCLEAR REACTIONS 12C(Ξ-, X), E at rest; calculated hypernucleus fragments mass distributions; deduced quantum fluctuation effects. Microscopic transport model.

doi: 10.1143/PTP.102.89
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1998HI16      Nucl.Phys. A639, 389c (1998)

Y.Hirata, Y.Nara, A.Ohnishi, T.Harada, J.Randrup

Formation of Twin and Double Λ Hypernuclei from Ξ- Absorption at Rest on 12C

NUCLEAR REACTIONS 12C(Ξ-, X), E at rest; calculated hypernucleus production rates.

doi: 10.1016/S0375-9474(98)00302-9
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1998MY02      Prog.Theor.Phys.(Kyoto) 99, 801 (1998)

T.Myo, A.Ohnishi, K.Kato

Resonance and Continuum Components of the Strength Function

NUCLEAR STRUCTURE 11Be; calculated radii, dipole strength distributions, bound, resonance, continuum contributions; deduced no resonance role in breakup. Complex scaling method. Comparison with data.

doi: 10.1143/PTP.99.801
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1998OH02      Nucl.Phys. A630, 223c (1998)

A.Ohnishi, J.Randrup, Y.Hirata, N.Otuka, Y.Nara, T.Harada

Quantum Fluctuation Effects on Nuclear and Atomic Cluster Formation

doi: 10.1016/S0375-9474(97)00760-4
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1997NA07      Nucl.Phys. A614, 433 (1997)

Y.Nara, A.Ohnishi, T.Harada, A.Engel

K+ Momentum Spectrum from (K-, K+) Reactions in the Intranuclear Cascade Model

NUCLEAR REACTIONS 12C, 27Al, 63Cu, 107Ag, 208Pb(K-, K+), E at 1.65 GeV/c; analyzed spectra, σ(θ) vs momentum, energy. Intranuclear cascade model.

doi: 10.1016/S0375-9474(96)00427-7
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1997OH01      Phys.Lett. 394B, 260 (1997)

A.Ohnishi, J.Randrup

Quantum Fluctuation Effects on Nuclear Fragment Formation

NUCLEAR REACTIONS 197Au(197Au, X), E=100-400 MeV/nucleon; analyzed intermediate mass fragment multiplicity before, after statistical decay. Quantal Langevin model.

doi: 10.1016/S0370-2693(97)00032-4
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1997OH06      Phys.Rev. C56, 2767 (1997)

A.Ohnishi, Y.Nara, V.Koch

Branching Ratio Change in K- Absorption at Rest and the Nature of the Λ(1405)

NUCLEAR REACTIONS 12C(K-, π+), (K-, π-), E at rest; analyzed pion spectra; deduced Λ(1405) role, Pauli bocking effects.

doi: 10.1103/PhysRevC.56.2767
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1995IT06      Prog.Theor.Phys.(Kyoto) 94, 1019 (1995)

N.Itagaki, A.Ohnishi, K.Kato

Microscopic α-Cluster Model for 12C and 16O Based on Antisymmetrized Molecular Dynamics - Consistent Understanding of the Binding Energies of 12C and 16O -

NUCLEAR STRUCTURE 12C, 16O; calculated levels. Antisymmetrized molecular dynamics, microscopic α-cluster model.

doi: 10.1143/PTP.94.1019
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1995NA05      Nucl.Phys. A585, 325c (1995)

Y.Nara, A.Ohnishi, T.Harada

Application of Microscopic Dynamical Theory to Examination of Fragmentation of Highly Excited Hypernuclei

NUCLEAR REACTIONS 12C(π+, K+), E at 1050 MeV/c; calculated hyperfragments formation probabilities. Microscopic dynamical theory.

doi: 10.1016/0375-9474(94)00589-F
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1995NA06      Nucl.Phys. A585, 329c (1995)

Y.Nara, A.Ohnishi, T.Harada

Study of Hyperfragments Production in Stopped K- Reaction within the Antisymmetrized Molecular Dynamics

NUCLEAR REACTIONS 12C(K-, π-), E at rest; calculated hyperfragment production, formation probability vs mass number. Antisymmetrized molecular dynamics model.

doi: 10.1016/0375-9474(94)00591-A
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1995NA08      Phys.Lett. 346B, 217 (1995)

Y.Nara, A.Ohnishi, T.Harada

Target Mass Dependence of 4H(Lambda) Formation Mechanism from K- Absorption at Rest

NUCLEAR REACTIONS 16O, 12C, 9Be, 7Li(K-, X), E=8-20 MeV; calculated 4H(lambda) hypernucleus formation probability.

doi: 10.1016/0370-2693(94)01684-5
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1994WI07      Z.Phys. A348, 153 (1994)

A.Wierling, B.G.Giraud, F.Mekideche, H.Horiuchi, T.Maruyama, A.Ohnishi, J.C.Lemm, A.Weiguny

Antisymmetrization of a Mean Field Calculation of the T-Matrix

doi: 10.1007/BF01291912
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1993ON01      Phys.Rev. C47, 2652 (1993)

A.Ono, H.Horiuchi, T.Maruyama, A.Ohnishi

Momentum Distribution of Fragments in Heavy-Ion Reactions: Dependence on the stochastic collision process

NUCLEAR REACTIONS 12C(12C, X), E=28.7 MeV/nucleon; analyzed σ(fragment E, θ), other data. Stochastic collision process, many body effects, antisymmetrized molecular dynamics model.

doi: 10.1103/PhysRevC.47.2652
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1992MA13      Phys.Rev. C45, 2355 (1992)

T.Maruyama, A.Ohnishi, H.Horiuchi

Evolution of Reaction Mechanisms in the Light Heavy-Ion System

NUCLEAR REACTIONS 16O(16O, X), E ≤ 200 MeV/nucleon; calculated fragment mass distribution vs E; deduced reaction mechanism evolution. 12C(14N, X), E=35 MeV/nucleon; calculated fragment production σ vs fragment mass. 12C(16O, X), E=25 MeV/nucleon; calculated σ(fragment θ, E) for X=p, d, t; deduced reaction mechanism clarifying conditions.

doi: 10.1103/PhysRevC.45.2355
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1992ON01      Phys.Rev.Lett. 68, 2898 (1992)

A.Ono, H.Horiuchi, T.Maruyama, A.Ohnishi

Fragment Formation Studied with Antisymmetrized Version of Molecular Dynamics with Two-Nucleon Collisions

NUCLEAR REACTIONS 12C(12C, X), E=28.7 MeV/nucleon; calculated fragment production σ vs fragment mass=2-14. Antisymmetrized molecular dynamics model, two-nucleon collisions.

doi: 10.1103/PhysRevLett.68.2898
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1992ON02      Prog.Theor.Phys.(Kyoto) 87, 1185 (1992)

A.Ono, H.Horiuchi, T.Maruyama, A.Ohnishi

Antisymmetrized Version of Molecular Dynamics with Two-Nucleon Collision and Its Application to Heavy Ion Reactions

NUCLEAR REACTIONS 12C(12C, X), E=28.7 MeV/nucleon; calculated fragment production σ vs mass for H, He, Li, Be, B, C, N isotopes. Molecular dynamics, antisymmetrization.

doi: 10.1143/ptp/87.5.1185
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1990MA32      Phys.Rev. C42, 386 (1990)

T.Maruyama, A.Ohnishi, H.Horiuchi

Quantum Molecular Dynamics Study of Fusion and Its Fade Out in the 16O + 16O System

NUCLEAR REACTIONS 16O(16O, X), E ≤ 220 MeV; calculated fusion probability, σ(E).

doi: 10.1103/PhysRevC.42.386
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