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NSR database version of April 11, 2024.

Search: Author = T.Harada

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2023HA18      Phys.Rev. C 107, 054611 (2023)

T.Harada, Y.Hirabayashi

Production spectra with a Σ- hyperon in (π-, K+) reactions on light to heavy nuclei

NUCLEAR REACTIONS 12C, 28Si, 58Ni, 115In, 209Bi(π-, K+X), E at 1.2 GeV/c; calculated σ(θ), inclusive Σ- production spectra, angular distribution. 12C(π-, π-), E at 800, 995 MeV/c; 12C(K+, K+), E at 715, 800 MeV/c; calculated elastic scattering σ(θ). Calculations the framework of the distorted-wave impulse approximation (DWIA) with the optimal Fermi averaging (OFA) for the elementary t matrix. Comparison to KEK-E438 experimental data (2004SA56).

doi: 10.1103/PhysRevC.107.054611
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2023LI56      Phys.Rev.Lett. 131, 212501 (2023)

P.J.Li, D.Beaumel, J.Lee, M.Assie, S.Chen, S.Franchoo, J.Gibelin, F.Hammache, T.Harada, Y.Kanada-En'yo, Y.Kubota, S.Leblond, P.F.Liang, T.Lokotko, M.Lyu, F.M.Marques, Y.Matsuda, K.Ogata, H.Otsu, E.Rindel, L.Stuhl, D.Suzuki, Y.Togano, T.Tomai, X.X.Xu, K.Yoshida, J.Zenihiro, N.L.Achouri, T.Aumann, H.Baba, G.Cardella, S.Ceruti, A.I.Stefanescu, A.Corsi, A.Frotscher, J.Gao, A.Gillibert, K.Inaba, T.Isobe, T.Kawabata, N.Kitamura, T.Kobayashi, Y.Kondo, A.Kurihara, H.N.Liu, H.Miki, T.Nakamura, A.Obertelli, N.A.Orr, V.Panin, M.Sasano, T.Shimada, Y.L.Sun, J.Tanaka, L.Trache, D.Tudor, T.Uesaka, H.Wang, H.Yamada, Z.H.Yang, M.Yasuda

Validation of the 10Be Ground-State Molecular Structure Using 10Be(p, pα)6He Triple Differential Reaction Cross-Section Measurements

NUCLEAR REACTIONS 1H(10Be, pα), E ∼ 150 MeV/nucleon; measured reaction products. 6He, 10Be; deduced excitation energy spectra, σ(θ, E), α-cluster molecular structure of the 10Be ground-state. Comparison with calculations performed in a microscopic framework using successively the Tohsaki-Horiuchi-Schuck-Ropke product wave function and the wave function deduced from antisymmetrized molecular dynamics calculations. The Radioactive Isotope Beam Factory at RIKEN.

doi: 10.1103/PhysRevLett.131.212501
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2022HA20      Phys.Rev. C 105, 064606 (2022)

T.Harada, Y.Hirabayashi

Extended optimal Fermi averaging for near-recoilless Λ production in the (K-, π- reaction on nuclei

NUCLEAR REACTIONS 12C(K-, π-), p=800 MeV/c; calculated σ(θ) of the 12C hypernuclei production, meson absorption factor. Extended the optimal Fermi averaging procedure in the framework of a distorted-wave impulse approximation (DIA), taking into account the local momentum transfer generated by semiclassical distorted waves. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.064606
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2022NA31      Prog.Theor.Exp.Phys. 2022, 093D01 (2022)

T.Nanamura, K.Miwa, J.K.Ahn, Y.Akazawa, T.Aramaki, S.Ashikaga, S.Callier, N.Chiga, S.W.Choi, H.Ekawa, P.Evtoukhovitch, N.Fujioka, M.Fujita, T.Gogami, T.K.Harada, S.Hasegawa, S.H.Hayakawa, R.Honda, S.Hoshino, K.Hosomi, M.Ichikawa, Y.Ichikawa, M.Ieiri, M.Ikeda, K.Imai, Y.Ishikawa, S.Ishimoto, W.S.Jung, S.Kajikawa, H.Kanauchi, H.Kanda, T.Kitaoka, B.M.Kang, H.Kawai, S.H.Kim, K.Kobayashi, T.Koike, K.Matsuda, Y.Matsumoto, S.Nagao, R.Nagatomi, Y.Nakada, M.Nakagawa, I.Nakamura, M.Naruki, S.Ozawa, L.Raux, T.G.Rogers, A.Sakaguchi, T.Sakao, H.Sako, S.Sato, T.Shiozaki, K.Shirotori, K.N.Suzuki, S.Suzuki, M.Tabata, C.d L.Taille, H.Takahashi, T.Takahashi, T.N.Takahashi, H.Tamura, M.Tanaka, K.Tanida, Z.Tsamalaidze, M.Ukai, H.Umetsu, S.Wada, T.O.Yamamoto, J.Yoshida, K.Yoshimura

Measurement of differential cross sections for Σ+p elastic scattering in the momentum range 0.44-0.80 GeV/c

NUCLEAR REACTIONS 1H(Σ+, Σ+), E<1 GeV; measured reaction products, Ep, Ip; deduced σ(θ), missing mass spectrum. Comparison with the fss2 and FSS models based on the quark cluster model in the short-range region. J-PARC Hadron Experimental Facility.

doi: 10.1093/ptep/ptac101
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2022ST07      Eur.Phys.J. A 58, 223 (2022)

A.I.Stefanescu, V.Panin, L.Trache, T.Motobayashi, H.Otsu, A.Saastamoinen, T.Uesaka, L.Stuhl, J.Tanaka, D.Tudor, I.C.Stefanescu, A.E.Spiridon, K.Yoneda, H.Baba, M.Kurokawa, Y.Togano, Z.Halasz, M.Sasano, S.Ota, Y.Kubota, D.S.Ahn, T.Kobayashi, Z.Elekes, N.Fukuda, H.Takeda, D.Kim, E.Takada, H.Suzuki, K.Yoshida, Y.Shimizu, H.N.Liu, Y.L.Sun, T.Isobe, J.Gibelin, P.J.Li, J.Zenihiro, F.M.Marques, M.N.Harakeh, G.G.Kiss, A.Kurihara, M.Yasuda, T.Nakamura, S.Park, Z.Yang, T.Harada, M.Nishimura, H.Sato, I.S.Hahn, K.Y.Chae, J.M.Elson, L.G.Sobotka, C.A.Bertulani

Silicon tracker array for RIB experiments at SAMURAI

doi: 10.1140/epja/s10050-022-00873-w
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2021AD13      Phys.Lett. B 819, 136411 (2021)

S.Adachi, Y.Fujikawa, T.Kawabata, H.Akimune, T.Doi, T.Furuno, T.Harada, K.Inaba, S.Ishida, M.Itoh, C.Iwamoto, N.Kobayashi, Y.Maeda, Y.Matsuda, M.Murata, S.Okamoto, A.Sakaue, R.Sekiya, A.Tamii, M.Tsumura

Candidates for the 5α condensed state in 20Ne

NUCLEAR REACTIONS 20Ne(α, α'), E<30 MeV; measured reaction products, Eα, Iα; deduced yields, σ, decay branching ratios, new excited states, candidates for 4α and 5α condensed states.

doi: 10.1016/j.physletb.2021.136411
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2021HA09      Phys.Rev. C 103, 024605 (2021)

T.Harada, Y.Hirabayashi

Ξ-nucleus potential for Ξ- quasifree production in the 9Be(K-, K+) reaction

NUCLEAR REACTIONS 9Be(K-, K+), E=1.8 GeV/c; calculated differential σ in the Woods-Saxon potential, binding energies and widths of the Ξ--nucleus bound states, production of Ξ- spectrum. Distorted-wave impulse approximation (DWIA) using the optimal Fermi-averaged amplitude. Comparison with results of BNL-E906 experiment.

doi: 10.1103/PhysRevC.103.024605
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2021HA39      Nucl.Phys. A1015, 122301 (2021)

T.Harada, Y.Hirabayashi

Production cross sections of 3, 4ΛH bound states in 3, 4He(K-, π0) reactions at 1 GeV/c

NUCLEAR REACTIONS 3,4He(K-, π0), E ∼ 1 GeV; analyzed available data. 3,4H; calculated hypernuclei σ, σ(θ).

doi: 10.1016/j.nuclphysa.2021.122301
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2021HU28      Few-Body Systems 62, 102 (2021)

S.W.Huang, Z.H.Yang, F.M.Marques, N.L.Achouri, D.S.Ahn, T.Aumann, H.Baba, D.Beaumel, M.Bohmer, K.Boretzky, M.Caamano, S.Chen, N.Chiga, M.L.Cortes, D.Cortina, P.Doornenbal, C.A.Douma, F.Dufter, J.Feng, B.Fernandez-Dominguez, Z.Elekes, U.Forsberg, T.Fujino, N.Fukuda, I.Gasparic, Z.Ge, R.Gernhauser, J.M.Gheller, J.Gibelin, A.Gillibert, Z.Halasz, T.Harada, M.N.Harakeh, A.Hirayama, N.Inabe, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, D.Kim, S.Kim, S.Kiyotake, T.Kobayashi, Y.Kondo, P.Koseoglou, Y.Kubota, I.Kuti, C.Lehr, C.Lenain, P.J.Li, Y.Liu, Y.Maeda, S.Masuoka, M.Matsumoto, A.Matta, J.Mayer, H.Miki, M.Miwa, B.Monteagudo, I.Murray, T.Nakamura, A.Obertelli, N.A.Orr, H.Otsu, V.Panin, S.Park, M.Parlog, S.Paschalis, M.Potlog, S.Reichert, A.Revel, D.Rossi, A.Saito, M.Sasano, H.Sato, H.Scheit, F.Schindler, T.Shimada, Y.Shimizu, S.Shimoura, H.Simon, I.Stefan, S.Storck, L.Stuhl, H.Suzuki, D.Symochko, H.Takeda, S.Takeuchi, J.Tanaka, Y.Togano, T.Tomai, H.T.Tornqvist, E.Tronchin, J.Tscheuschner, T.Uesaka, V.Wagner, K.Wimmer, H.Yamada, B.Yang, L.Yang, Y.Yasuda, K.Yoneda, L.Zanetti, J.Zenihiro

Experimental Study of 4n by Directly Detecting the Decay Neutrons

RADIOACTIVITY 7H(t), 6He(2n) [from 1H(8He, 2p), E=150 MeV/nucleon]; measured decay products, En, In. 4NN; deduced relative-energy spectrum, neutron multiplicity distribution. The radioactive isotope beam factory (RIBF).

doi: 10.1007/s00601-021-01691-4
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2021TS03      Phys.Lett. B 817, 136283 (2021)

M.Tsumura, T.Kawabata, Y.Takahashi, S.Adachi, H.Akimune, S.Ashikaga, T.Baba, Y.Fujikawa, H.Fujimura, H.Fujioka, T.Furuno, T.Hashimoto, T.Harada, M.Ichikawa, K.Inaba, Y.Ishii, N.Itagaki, M.Itoh, C.Iwamoto, N.Kobayashi, A.Koshikawa, S.Kubono, Y.Maeda, Y.Matsuda, S.Matsumoto, K.Miki, T.Morimoto, M.Murata, T.Nanamura, I.Ou, S.Sakaguchi, A.Sakaue, M.Sferrazza, K.N.Suzuki, T.Takeda, A.Tamii, K.Watanabe, Y.N.Watanabe, H.P.Yoshida, J.Zenihiro

First experimental determination of the radiative-decay probability of the 3-1state in 12C for estimating the triple alpha reaction rate in high temperature environments

NUCLEAR REACTIONS 1H(12C, p')12C, E=262 MeV; measured reaction products, Ep, Ip; deduced radiative-decay probability of the 3-1state in 12C, 3α reaction rate. Comparison with NACRE data.

doi: 10.1016/j.physletb.2021.136283
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2020HA26      Phys.Rev. C 102, 024618 (2020)

T.Harada, Y.Hirabayashi

Medium effects on Ξ- production in the nuclear (K-, K+) reaction

NUCLEAR REACTIONS 1H(K-, K+Ξ-), E(cm)=1.948, 1.966, 2.069, 2.110, 2.134, 2.235, 2.276, 2.331, 2.420 GeV; calculated differential σ(θ, E), total σ(E), dependence of incident K--momentum on σ(θ, E) and compared with experimental data; deduced strong energy and angular dependencies of the in-medium 1H(K-, K+Ξ-) production cross section. DWIA calculations using the optimal Fermi-averaging procedure. 12C(K-, K+), at momentum of 1.8 GeV/c; calculated quasi-fission production σ(E) for Ξ- in the Fermi gas model.

doi: 10.1103/PhysRevC.102.024618
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2019HA27      Phys.Rev. C 100, 024605 (2019)

T.Harada, Y.Hirabayashi

Production of a 4ΛHe hypernucleus in the 4He(π, K) reactions reexamined

NUCLEAR REACTIONS 4He(π, K), E =1.05 GeV/nucleon; calculatedσ of the 0+ ground state of 4He hypernucleus with a distorted-wave impulse approximation using the optimal Fermi-averaged matrix.

doi: 10.1103/PhysRevC.100.024605
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2018HA11      Phys.Rev. C 97, 024601 (2018)

T.Harada, R.Honda, Y.Hirabayashi

Repulsion and absorption of the Σ-nucleus potential for Σ--5He in the 6Li(π-, K+) reaction

NUCLEAR REACTIONS 6Li(π-, K+), at momentum=1.2 GeV/c; calculated σ(θ), shapes and magnitude of spectra within the distorted wave impulse approximation (DWIA) and compared with data from J-PARC E10 experiment; deduced property of the Σ-nucleus potential for Σ--5He, repulsive and absorptive components.

doi: 10.1103/PhysRevC.97.024601
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2017HA14      Phys.Rev. C 95, 044610 (2017)

T.Harada, Y.Hirabayashi

Production of a neutron-rich 6ΛH hypernucleus in the 6Li(π-, K+) reaction

NUCLEAR REACTIONS 6Li(π-, K+) at 1.2 GeV/c; analyzed production cross section and missing mass spectra of neutron-rich 6H hypernucleus using distorted-wave impulse approximation in one-step mechanism, and evaluated by a coupled (5H, Λ)+(5He, ∑-) model with a spreading potential, and compared with data of the missing mass spectrum in the J-PARC E10 experiment; deduced important information on the Λ∑ coupling in the production mechanism, and the nuclear structure of 1+ excited state of 6H hypernucleus.

doi: 10.1103/PhysRevC.95.044610
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2015HA06      Nucl.Phys. A934, 8 (2015)

T.Harada, Y.Hirabayashi

Continuum ppΛ spectrum of the 3He(K-, π- reaction with continuum discretized coupled channels

NUCLEAR REACTIONS 3He(Λ-, π-)ppΛ, E at 870 MeV/c; calculated π- inclusive spectra from hypernucleus decay, spectroscopic 2p factor using DWIA within CDCC. Compared with data.

doi: 10.1016/j.nuclphysa.2014.11.007
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2015HA29      Phys.Lett. B 740, 312 (2015)

T.Harada, Y.Hirabayashi

P-wave resonant state of the 4ΣHehypernucleus in the 4He(K-, π-) reaction

NUCLEAR REACTIONS 4He(K-, π-), E=1.5 GeV; calculated inclusive and Σ-Λ conversion π- spectra, effects of the potential strengths on the p-wave resonant state using the Green's function method in a distorted-wave impulse approximation. Comparison with available data.

doi: 10.1016/j.physletb.2014.11.057
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2014HA14      Phys.Rev. C 89, 054603 (2014)

T.Harada, Y.Hirabayashi

Σ NN quasibound states in 3He (K-, π±) reactions at 600 MeV/c

NUCLEAR REACTIONS 3He(K-, π+), (K-, π-), E at 600 MeV/c; calculated hypernuclear final states, threshold masses, isospin-spin spectroscopic factors and averaged matrix elements, averaged σ(E), inclusive and semiexclusive π+, π- spectra, production amplitudes for (K-, π±) reactions on isospin ΣNN states. 3He, 3n; calculated hypernuclear quasibound states, width, pole-state probabilities. 3H, 4,5He; calculated binding energies and Σ mixing of hypernuclei. Distorted-wave impulse approximation (DWIA) and coupled-channel framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.054603
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2013HA26      Nucl.Phys. A914, 85c (2013)

T.Harada, Y.Hirabayashi, A.Umeya

Hypernuclear ΛΛ production by (K-, K+) reactions and the ΛΛΞ mixing in hypernuclei

doi: 10.1016/j.nuclphysa.2013.01.020
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2012HA27      Phys.Rev. C 86, 014606 (2012)

T.Harada, Y.Hirabayashi

Angular distributions of elastic scattering of Σ- hyperons from nuclei and the Σ-nucleus potentials

NUCLEAR REACTIONS 28Si, 208Pb(Σ-, Σ-), E=50 MeV; calculated Σ-nucleus potentials, σ(θ) using DD-A', LDA-NF, and DD-OBE optical potential models. Radial distribution of the Σ--nucleus potentials. Discussed Σ- atomic x-ray data, (π-, K+) and (K-, π+) spectra.

doi: 10.1103/PhysRevC.86.014606
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2011UM01      Phys.Rev. C 83, 034310 (2011)

A.Umeya, T.Harada

Doublet-spacing enhancement caused by ΛN-ΣN coupling in ΛLi hypernuclear isotopes

NUCLEAR STRUCTURE 7,8,9,10Li; calculated hypernuclear levels, J, π, energy spacing of ground state doublets, energy shifts, mixing probabilities using Shell Model calculations with Fermi- and Gamow-Teller-type ΛN-ΣN coupling effects.

doi: 10.1103/PhysRevC.83.034310
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2010HA30      Nucl.Phys. A835, 136c (2010)

T.Harada

Neutron-rich Hypernuclei

NUCLEAR REACTIONS 10B(π-, K+), E at 1.20 GeV/c; calculated Λ σ(EΛ, θ). 12C(K-, π+), E not given; calculated pion σ(E). Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.186
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2010UM03      Nucl.Phys. A835, 426c (2010)

A.Umeya, T.Harada

Shell-model study of Σ-mixing in neutron-rich ΛLi hypernuclei

NUCLEAR STRUCTURE 7,8,9,10Li; calculated hypernuclei Σ-mixing probabilities, energy shifts using microscopic shell model.

doi: 10.1016/j.nuclphysa.2010.01.235
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2009HA03      Phys.Rev. C 79, 014603 (2009)

T.Harada, A.Umeya, Y.Hirabayashi

Feasibility of extracting a Σ- admixture probability in the neutron-rich 10ΛLi hypernucleus

NUCLEAR REACTIONS 10B(π-, K+)10Li, E=1.20 GeV/c; calculated particle spectra, σ(θ) for hypernuclei. Distorted wave impulse approximation.

doi: 10.1103/PhysRevC.79.014603
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2009HA39      Nucl.Phys. A829, 100 (2009)

T.Harada, Y.Hirabayashi

Coulomb-assisted Σ--nucleus bound states in the (K-, π+) reaction

NUCLEAR REACTIONS 28Si, 58Ni, 208Pb(K-, π+), E at 0-1500 MeV/c; calculated σ, σ(θ), related features for hypernuclei formation using distorted-wave impulse approximation.

NUCLEAR STRUCTURE 28Mg, 58Fe, 208Hg; calculated binding energies, widths of bound states for kaonic hypernuclei.

doi: 10.1016/j.nuclphysa.2009.08.005
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2009KO33      Phys.Rev. C 80, 055208 (2009)

T.Koike, T.Harada

Deeply bound K-pp state in the 3He(in-flight K-, n) spectrum, and its moving pole near the πΣN threshold

doi: 10.1103/PhysRevC.80.055208
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2009UM02      Phys.Rev. C 79, 024315 (2009)

A.Umeya, T.Harada

Λ-Σ coupling effect in the neutron-rich Λ hypernucleus 10ΛLi in a microscopic shell-model calculation

NUCLEAR STRUCTURE 10Li; calculated Σ-mixing probabilities, energy spectra for 10Li hypernucleus;Λ-Σ coupling strengths of Σ eigenstates. Comparison with experimental energy spectrum for 9Li. Microscopic shell-model calculations.

doi: 10.1103/PhysRevC.79.024315
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2008KO08      Nucl.Phys. A804, 231 (2008)

T.Koike, T.Harada

Isospin properties of (K-, N) reactions for the formation of deeply-bound antikaonic nuclei

NUCLEAR REACTIONS 1n, 1,3H, 3,4He, 12C, 28Si(K-, X), E at 0.3-1.8 GeV/c; calculated σ, σ(θ), proton spectra in context of deeply-bound antikaonic nuclear states.

NUCLEAR STRUCTURE 11Be, 27Mg; calculated binding energies, widths for bound kaonic nuclei.

doi: 10.1016/j.nuclphysa.2008.01.015
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2006HA10      Nucl.Phys. A767, 206 (2006)

T.Harada, Y.Hirabayashi

Σ- production spectrum in the inclusive (π-, K+) reaction on 209Bi and the Σ-nucleus potential

NUCLEAR REACTIONS 209Bi(π-, K+), E at 1.2 GeV/c; analyzed hypernucleus production associated kaon spectra, σ(θ); deduced Σ--nucleus potential features. Comparison with hyperonic-atom data.

doi: 10.1016/j.nuclphysa.2005.12.018
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2005HA35      Nucl.Phys. A754, 86c (2005)

T.Harada

Density-dependent Hartree-Fock calculations in hypernuclei

NUCLEAR STRUCTURE 5He, 16O; calculated ground and excited states energies, core polarization effects. Density-dependent Hartree-Fock calculations.

doi: 10.1016/j.nuclphysa.2005.02.002
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2005HA43      Nucl.Phys. A759, 143 (2005)

T.Harada, Y.Hirabayashi

Is the Σ-nucleus potential for Σ- atoms consistent with the 28Si(π-, K+) data?

NUCLEAR REACTIONS 28Si(π-, K+), E at 1.2 GeV/c; analyzed hypernucleus production associated kaon spectra, σ(θ); deduced Σ--nucleus potential features. Comparison with hyperonic-atom data.

doi: 10.1016/j.nuclphysa.2005.04.025
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2004HA48      Nucl.Phys. A744, 323 (2004)

T.Harada, Y.Hirabayashi

Optimal Fermi-averaging for the π+ + n → K+ + Λ t-matrix in Λ-hypernuclear production from (π+, K+") reactions

NUCLEAR REACTIONS 12C, 28Si(π+, K+), E at 1.05, 1.20, 1.35 GeV/c; calculated σ(E, θ). Fermi-averaged t-matrix, comparison with data.

doi: 10.1016/j.nuclphysa.2004.09.003
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2003SH44      Mod.Phys.Lett. A 18, 128 (2003)

S.Shinmura, Y.Akaishi, K.S.Myint, T.Harada

Hyperons in high-density nuclear medium: is L-Σ0 mixing large or small?

doi: 10.1142/S0217732303010090
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2002SH05      J.Phys.(London) G28, L1 (2002)

S.Shinmura, K.S.Myint, T.Harada, Y.Akaishi

Coherent Λ-Σ0 Mixing in High-Density Neutron Matter

doi: 10.1088/0954-3899/28/2/101
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2001HA23      Nucl.Phys. A684, 612c (2001)

T.Harada

The K--Helium Reactions at Rest

NUCLEAR REACTIONS 4He(K-, π-X), E at rest; analyzed pion spectra; deduced reaction mechanism features. 4He deduced Σ meson bound state features.

doi: 10.1016/S0375-9474(01)00453-5
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2001HA52      Phys.Rev. C64, 048801 (2001)

T.Harada

Reconstructing the Equation of State for Cold Nuclear Matter from the Relationship of any Two Properties of Neutron Stars

doi: 10.1103/PhysRevC.64.048801
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2001HA57      Nucl.Phys. A691, 68c (2001)

T.Harada

Hypernuclear Production from K- Capture in Liquid Helium

NUCLEAR REACTIONS 4He(K-, π-), E at rest, 600 MeV/c; calculated hyperon production associated pion spectra. DWIA approach, comparison with data.

doi: 10.1016/S0375-9474(01)01009-0
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2001MY03      Nucl.Phys. A684, 592c (2001)

K.S.Myint, Y.Akaishi, T.Harada, S.Shinmura

Lambda-Sigma Coupling Effect in Lambda Hypernuclei

doi: 10.1016/S0375-9474(01)00386-4
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2000AK02      Phys.Rev.Lett. 84, 3539 (2000)

Y.Akaishi, T.Harada, S.Shinmura, K.S.Myint

Coherent Λ-Σ Coupling in s-Shell Hypernuclei

NUCLEAR STRUCTURE 4He; calculated hypernucleus energy levels; deduced role of Λ-Σ coupling.

doi: 10.1103/PhysRevLett.84.3539
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2000HA28      Nucl.Phys. A672, 181 (2000)

T.Harada

Hypernuclear Production from K- Capture in Liquid Helium

NUCLEAR REACTIONS 4He(K-, π-), (K-, π-X), E at rest; calculated hypernucleus production associated pion spectra; deduced reaction mechanism features. Comparisons with data.

doi: 10.1016/S0375-9474(99)00834-9
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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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1998HA19      Nucl.Phys. A631, 771c (1998)

T.Harada

Theoretical Analysis of the 4He(K-, π∓) Spectrum

NUCLEAR REACTIONS 4He(K-, π+), E at 600 MeV/c; analyzed data. 4He deduced bound hypernuclear state.

doi: 10.1016/S0375-9474(98)00107-9
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1998HA42      Nucl.Phys. A639, 185c (1998)

T.Harada

Strangeness-Exchange Reactions on a Helium Target

NUCLEAR REACTIONS 4He(K-, π-), E at 600 MeV/c; calculated hypernucleus excitation spectrum; deduced Λ-Σ coupling role. Comparison with data.

doi: 10.1016/S0375-9474(98)00271-1
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1998HA59      Phys.Rev.Lett. 81, 5287 (1998)

T.Harada

Calculation of the Σ4He Bound State in the 4He(K-, π-) Reaction at 600 MeV/c

NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), E at 600 MeV/c; analyzed pion spectra. 4He deduced hypernucleus bound state features.

doi: 10.1103/PhysRevLett.81.5287
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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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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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1996HA40      Prog.Theor.Phys.(Kyoto) 96, 145 (1996)

T.Harada, Y.Akaishi

Σ-Hypernuclear Responses in 4He(In-Flight K-, π) Spectra

NUCLEAR REACTIONS 4He(K-, π-), (K-, π0), (K-, π+), E at 400-800 MeV/c; calculated pion spectra, hypernucleus production associated double differential σ; deduced A=4 hypernucleus structure, width. In-flight pion production, DWIA, Green's function treatment.

doi: 10.1143/PTP.96.145
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1996KO01      Phys.Rev. C53, 79 (1996)

T.Koike, T.Harada, Y.Akaishi

Cascade Calculation of K--p and K--d Atoms

NUCLEAR REACTIONS 2,1H(p-bar, X), (π-, X), E at rest; calculated X-ray yield vs target density. Borie-Leon model based cascade calculation.

ATOMIC PHYSICS, Mesic-Atoms 2,1H(p-bar, X), (π-, X), E at rest; calculated X-ray yield vs target density. Borie-Leon model based cascade calculation.

doi: 10.1103/PhysRevC.53.79
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1996KO51      Nucl.Phys. A611, 461 (1996)

Y.H.Koike, T.Harada

Structure of the A = 3 Σ-Hypernuclei

NUCLEAR STRUCTURE A=3; calculated hypernuclei energies, widths. Three-body coupled-channel calculation, coupled-rearrangement-channel variational method.

doi: 10.1016/S0375-9474(96)00293-X
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1995HA11      Nucl.Phys. A585, 25c (1995)

T.Harada

Σ-Hypernuclear Response by 4He(K-stopped, π) Reaction

NUCLEAR REACTIONS 4He(K-, π+), (K-, π-), E at rest; calculated pion spectra, Σ hypernucleus production σ; deduced 4He(Σ) bound state evidence.

doi: 10.1016/0375-9474(94)00539-Y
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1995KO09      Phys.Lett. 342B, 19 (1995)

Y.H.Koike, T.Harada

Σ-Continuum Spectrum in the 4He(Stopped K+, π+) Reaction. Contribution of the ΣN → (Lambda)N Conversion Decay

NUCLEAR REACTIONS 4He(K-, π+), E at rest; analyzed Σ hypernucleus continuum spectra; deduced ΣN decay mechanism. DWIA.

doi: 10.1016/0370-2693(94)01391-O
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1995KO13      Nucl.Phys. A585, 327c (1995)

Y.H.Koke, T.Harada

Structure of the 3H(Σ)-Hypernucleus

NUCLEAR STRUCTURE A=3; calculated hypernucleus energy, rms radii, other parameters. Coupled-rearrangement-channels method.

doi: 10.1016/0375-9474(94)00590-J
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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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1992HA40      Nucl.Phys. A547, 165c (1992)

T.Harada

Production and Structure of Light Σ-Hypernuclei

NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), E at 600 MeV/c; calculated Σ-hypernucleus production spectra, σ(θ(π, E(π))). DWBA framework, complex nucleus-Σ potential.

doi: 10.1016/0375-9474(92)90723-W
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1991HA21      Phys.Lett. 262B, 205 (1991)

T.Harada, Y.Akaishi

Σ-Continuum Spectrum in 4He(Stopped K-, π+) Reaction. Test of 3H-(Σ)- Potential

NUCLEAR REACTIONS 4He(K-, π+), E at rest; calculated spectra; deduced nucleus-Σ potential features. DWIA.

doi: 10.1016/0370-2693(91)91555-A
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1990HA08      Phys.Lett. 234B, 455 (1990)

T.Harada, Y.Akaishi

Formation of the 4He(Σ) Hypernucleus by In-Flight K- Capture

NUCLEAR REACTIONS 4He(K-, π-), E at 450 MeV/c; calculated σ(θ(π), E(π)) vs mass difference; deduced Σ production mechanism. DWIA Green function treatment.

doi: 10.1016/0370-2693(90)92038-K
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1990OK03      Nucl.Phys. A514, 613 (1990)

S.Okabe, T.Harada, Y.Akaishi

Light Σ-Hypernuclei and α-Clustering

NUCLEAR STRUCTURE 4He, 8Li, 8Be; calculated bound Σ-hypernuclear levels. Alpha clustering.

doi: 10.1016/0375-9474(90)90013-C
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