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NSR database version of April 25, 2024.

Search: Author = H.Ekawa

Found 8 matches.

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2023EK01      Eur.Phys.J. A 59, 103 (2023)

H.Ekawa, W.Dou, Y.Gao, Y.He, A.Kasagi, E.Liu, A.Muneem, M.Nakagawa, C.Rappold, N.Saito, T.R.Saito, M.Taki, Y.K.Tanaka, H.Wang, J.Yoshida

Development of machine learning analyses with graph neural network for the WASA-FRS experiment

doi: 10.1140/epja/s10050-023-01016-5
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2021LI65      Eur.Phys.J. A 57, 327 (2021)

E.Liu, A.Kasagi, H.Ekawa, M.Nakagawa, T.R.Saito, J.Yoshida

Revisiting the former nuclear emulsion data for hypertriton

RADIOACTIVITY 3H(3He); analyzed available data; deduced the hypertriton binding energy with nuclear emulsion which were published in 1968 and 1973 using Monte Carlo simulations, the systematic error of the hypertriton binding energy in emulsion measurements has been estimated to be approximately 28 keV.

doi: 10.1140/epja/s10050-021-00649-8
Citations: PlumX Metrics


2021SA22      Eur.Phys.J. A 57, 159 (2021)

T.R.Saito, H.Ekawa, M.Nakagawa

Novel method for producing very-neutron-rich hypernuclei via charge-exchange reactions with heavy ion projectiles

NUCLEAR REACTIONS 2H(12C, 12NK+), 3H(9Be, 9CK+), 12C(6Li, 6BeK+), E=2 GeV/nucleon; analyzed available data; calculated hypernuclei σ.

doi: 10.1140/epja/s10050-021-00470-3
Citations: PlumX Metrics


2021YO07      Prog.Theor.Exp.Phys. 2021, 073D02 (2021)

M.Yoshimoto, J.K.Ahn, B.Bassalleck, H.Ekawa, Y.Endo, M.Fujita, Y.Han, T.Hashimoto, S.H.Hayakawa, K.Hicks, K.Hoshino, S.Hoshino, S.H.Hwang, Y.Ichikawa, M.Ichikawa, K.Imai, Y.Ishikawa, H.Kanauchi, A.Kasagi, S.H.Kim, S.Kinbara, P.M.Lin, T.L.Ma, K.Miwa, A.T.Moe, Y.Nagase, K.Nakazawa, T.Nanamura, M.Naruki, A.N.L.Nyaw, J.Pochodzalla, H.Sako, S.Sato, M.M.Soe, M.K.Soe, J.Y.Sohn, H.Takahashi, T.Takahashi, H.Tamura, K.Tanida, A.M.M.Theint, K.T.Tint, M.Ukai, T.O.Yamamoto, S.B.Yang, C.S.Yoon, J.Yoshida, D.H.Zhang, Z.Zhang

First observation of a nuclear s-state of a Ξ hypernucleus, 15ΞC

NUCLEAR REACTIONS 14N(Ξ-, X), E not given; measured reaction products. 8Li, 9,10Be, 4,5He, 15C; deduced thin single-Λ hypernuclei, binding energies, energy levels. J-PARC experiment.

doi: 10.1093/ptep/ptab073
Citations: PlumX Metrics


2020IC01      Prog.Theor.Exp.Phys. 2020, 123D01 (2020)

Y.Ichikawa, J.Yamagata-Sekihara, J.K.Ahn, Y.Akazawa, K.Aoki, E.Botta, H.Ekawa, P.Evtoukhovitch, A.Feliciello, M.Fujita, T.Gogami, S.Hasegawa, T.Hasegawa, S.Hayakawa, T.Hayakawa, S.Hirenzaki, R.Honda, K.Hosomi, K.Imai, W.Jung, S.Kanatsuki, S.H.Kim, S.Kinbara, K.Kobayashi, J.Lee, S.Marcello, K.Miwa, T.Moon, T.Nagae, Y.Nakada, M.Nakagawa, T.Nanamura, M.Naruki, A.Sakaguchi, H.Sako, S.Sato, Y.Sasaki, K.Shirotori, H.Sugimura, T.Takahashi, H.Tamura, K.Tanida, Z.Tsamalaidze, M.Ukai, T.O.Yamamoto

An event excess observed in the deeply bound region of the 12C (K-, p) missing-mass spectrum

NUCLEAR REACTIONS 12C(K-, p), E ∼ 1.8 GeV; measured reaction products, Ep, Ip; deduced the inclusive missing-mass spectrum. Comparison with the Green's function method calculations.

doi: 10.1093/ptep/ptaa139
Citations: PlumX Metrics


2015IC01      Prog.Theor.Exp.Phys. 2015, 021D01 (2015)

Y.Ichikawa, T.Nagae, H.Fujioka, H.Bhang, S.Bufalino, H.Ekawa, P.Evtoukhovitch, A.Feliciello, S.Hasegawa, S.Hayakawa, R.Honda, K.Hosomi, K.Imai, S.Ishimoto, C.W.Joo, S.Kanatsuki, R.Kiuchi, T.Koike, H.Kumawat, Y.Matsumoto, K.Miwa, M.Moritsu, M.Naruki, M.Niiyama, Y.Nozawa, R.Ota, A.Sakaguchi, H.Sako, V.Samoilov, S.Sato, K.Shirotori, H.Sugimura, S.Suzuki, To.Takahashi, T.N.Takahashi, H.Tamura, T.Tanaka, K.Tanida, A.O.Tokiyasu, Z.Tsamalaidze, B.Roy, M.Ukai, T.O.Yamamoto, S.Yang

Observation of the "K- pp"-like structure in the d(π+, K+) reaction at 1.69 GeV/c

NUCLEAR REACTIONS 2H(π+, K+), E=1.69 GeV; measured reaction products; deduced "K- pp"-like structure, hyperon resonance, doorway states.

doi: 10.1093/ptep/ptv002
Citations: PlumX Metrics


2013MO25      Nucl.Phys. A914, 91c (2013)

M.Moritsu, S.Adachi, M.Agnello, S.Ajimura, K.Aoki, H.C.Bhang, B.Bassalleck, E.Botta, S.Bufalino, N.Chiga, H.Ekawa, P.Evtoukhovitch, A.Feliciello, H.Fujioka, S.Hayakawa, F.Hiruma, R.Honda, K.Hosomi, Y.Ichikawa, M.Ieiri, Y.Igarashie, K.Imai, N.Ishibashi, S.Ishimoto, K.Itahashi, R.Iwasaki, C.W.Joo, S.Kanatsuki, M.J.Kim, S.J.Kim, R.Kiuchi, T.Koike, Y.Komatsu, V.V.Kulikov, S.Marcello, S.Masumoto, Y.Matsumoto, K.Matsuoka, K.Miwa, T.Nagae, M.Naruki, M.Niiyama, H.Noumi, Y.Nozawa, R.Ota, K.Ozawa, N.Saito, A.Sakaguchi, H.Sako, V.Samoilov, M.Sato, S.Sato, Y.Sato, S.Sawada, M.Sekimoto, K.Shirotori, H.Sugimura, S.Suzuki, H.Takahashi, T.Takahashi, T.N.Takahashi, H.Tamura, T.Tanaka, K.Tanida, A.O.Tokiyasu, N.Tomida, Z.Tsamalaidze, M.Ukai, K.Yagi, T.O.Yamamoto, S.B.Yang, Y.Yonemoto, C.J.Yoon, K.Yoshida

Search for the Θ+ pentaquark at J-PARC

doi: 10.1016/j.nuclphysa.2013.01.010
Citations: PlumX Metrics


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