NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = J.Chiba Found 62 matches. 2021OR01 Phys.Rev. C 103, 014324 (2021) S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, A.Algora, A.I.Morales, J.Agramunt, D.S.Ahn, P.Ascher, B.Blank, C.Borcea, A.Boso, R.B.Cakirli, J.Chiba, G.de Angelis, G.de France, F.Diel, P.Doornenbal, Y.Fujita, N.Fukuda, E.Ganioglu, M.Gerbaux, J.Giovinazzo, S.Go, T.Goigoux, S.Grevy, V.Guadilla, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, T.Kurtukian-Nieto, D.Lubos, C.Magron, F.Molina, A.Montaner-Piza, D.Napoli, D.Nishimura, S.Nishimura, H.Oikawa, V.H.Phong, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, Y.Takei, M.Tanaka, J.Wu, S.Yagi β decay of the very neutron-deficient 60Ge and 62Ge nuclei RADIOACTIVITY 59Zn, 60Ga, 60,62Ge(EC), (β+); 62Ge(β+p)[60,62Ge activities from 9Be(78Kr, X), E=345 MeV/nucleon at RIBF-RIKEN]; measured Eγ, Iγ, Ep, Ip, β+γ-, β+pγ- and γγ-coin, γ(implants)- and p(implants)-correlations, half-lives of decays of 60Ga, 60,62Ge using the WAS3ABi and EURICA arrays. 60Ge; deduced β+-delayed proton branching ratio. 60,62Ga, 59,60Zn, 59Cu; deduced levels, J, π, β feedings, Fermi and B(F) and Gamow-Teller B(GT) transition strengths, mass excesses of 60,62Ge, and 60Ga by analysis of IMME for A=60 nuclei. Comparison with previous experimental data. NUCLEAR REACTIONS 9Be(78Kr, X), E=345 MeV/nucleon; measured reaction products, Z versus A/Q identification plot for nuclei of Z=28-36 and A/Q=1.85-1.95, with fragments separated using the BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility, with main emphasis on the production of 60,62Ge.
doi: 10.1103/PhysRevC.103.014324
2020GI02 Acta Phys.Pol. B51, 577 (2020) J.Giovinazzo, T.Goigoux, B.Blank, P.Ascher, M.Gerbaux, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, N.Fukuda, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, D.S.Ahn, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.De Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown Two-proton radioactivity: The interesting case of 67Kr and Further Studies RADIOACTIVITY 67Kr(2p), (β+), 57Zn, 59,61Ge, 63,65Se, 68,69Kr(EC), (β+), (β+p), 55,56Cu, 60Ga, 63Ge, 64,65As, 67Kr(EC), (β+)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), Eγ, half-lives of decays of isotopes from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN; deduced %2p for the decay of 67Kr, and %β+p for 59,61Ge, 63Se, 68,69Kr. Comparison with previous experimental results.
doi: 10.5506/APhysPolB.51.577
2019GO34 Acta Phys.Pol. B50, 399 (2019) T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown 67Kr Two-proton Radioactivity: Results and Theoretical Interpretations RADIOACTIVITY 67Kr(2p)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), half-life of decay of 67Kr from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN. 67Kr; deduced %2p, Nilsson configurations. Comparison with theoretical calculations. 59Ge, 63Se, 68Kr; isotopes observed in A/Q versus Z identification plot.
doi: 10.5506/aphyspolb.50.399
2019RU07 Proc.XLII Symposium on Nuclear Physics 2019 (Cocoyoc2019), 7-10 January 2019, Cocoyoc, Mexico, p.012018 (2019), J.Phys.:Conf. Ser. 1308 (2019) B.Rubio, P.Aguilera, F.Molina, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, W.Gelletly, B.Blank, P.Asher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian, C.Magron, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yang, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, G.de France, S.Go Beta decay of the Tz=-2 nucleus 64Se and its descendants RADIOACTIVITY 64Se, 64As(β+), (EC), (β+p)[from 9Be(78Kr, X), E=345 MeV, followed by separation of fragments using BigRIPS separator and implantation in double-sided Si-strip detectors (DSSSDs) at RIBF-RIKEN facility]; 63Ge(β+), (EC)[from 74Se β+p decay]; measured reaction products, particle identification plot, Eγ, Iγ, (implants)γ-coin, E(p), I(p) from β+-delayed proton decays, T1/2 of decays of 64Se, 64As, 63Ge. 64As, 63,64Ge, 63Ga; deduced levels, J, π, 0+ IAS of 64As, mirror states in 64As and 64Ga, and in 63Ge and 63Ga.
doi: 10.1088/1742-6596/1308/1/012018
2016BL05 Phys.Rev. C 93, 061301 (2016) B.Blank, T.Goigoux, P.Ascher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, V.H.Phong, H.Sakurai, Y.Shimizu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, J.Wu, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go New neutron-deficient isotopes from 78Kr fragmentation NUCLEAR REACTIONS 9Be(78Kr, X)39Ti/40Ti/43Cr/44Cr/46Mn/47Fe/48Fe/51Ni/59Ge/60Ge/63Se/64Se/67Kr/68Kr, E=345 MeV/nucleon; measured fragmentation residues, production σ using BigRIPS separator, zero-degree spectrometer, WAS3ABi setup for implantation, and EURICA array for γ detection at RIBF-RIKEN facility. Comparison of experimental cross sections with predictions from the EPAX3 parameterization. 63Se, 67Kr, 68Kr; newly identified nuclides. 59Ge, 63Se, 67Kr; candidates for 2p emitters. 58Ge, 62Se, 66Kr; deduced upper limit of cross sections, half-lives, search for these nuclides proved unsuccessful, consistent with unbound nature of these nuclei.
doi: 10.1103/PhysRevC.93.061301
2016GO26 Phys.Rev.Lett. 117, 162501 (2016) T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, G.G.Kiss, S.Nishimura, P.-A.Soderstrom, V.H.Phong, J.Wu, D.S.Ahn, N.Fukuda, N.Inabe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, T.Sumikama, H.Suzuki, H.Takeda, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go, B.A.Brown Two-Proton Radioactivity of 67Kr RADIOACTIVITY 67Kr(2p), 59Ge, 63Se(β+) [from Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ; deduced decay energy, branching ratio, T1/2. Comparison with available data.
doi: 10.1103/PhysRevLett.117.162501
2013SU04 J.Phys.Soc.Jpn. 82, 024202 (2013) T.Sumita, K.Morimoto, D.Kaji, H.Haba, K.Ozeki, R.Sakai, A.Yoneda, A.Yoshida, H.Hasebe, K.Katori, N.Sato, Y.Wakabayashi, S.-i.Mitsuoka, S.-i.Goto, M.Murakami, Y.Kariya, F.Tokanai, K.Mayama, M.Takeyama, T.Moriya, E.Ideguchi, T.Yamaguchi, H.Kikunaga, J.Chiba, K.Morita New Result on the Production of 277Cn by the 208Pb + 70Zn Reaction NUCLEAR REACTIONS 208Pb(70Zn, n)277Cn, E=347.5, 351.5, 355.5 MeV; 209Bi(70Zn, n)278Nh, E=347.5, 351.5, 355.5 MeV; measured reaction products, Eα, Iα; deduced σ. Comparison with similar nuclei. RADIOACTIVITY 277Cn, 273Ds, 269Hs, 265Sg, 261Rf, 257No(α); measured decay products, Eα, Iα; deduced T1/2. Comparison with available data.
doi: 10.7566/JPSJ.82.024202
2012KA36 Phys.Rev. C 86, 054319 (2012) D.Kameda, T.Kubo, T.Ohnishi, K.Kusaka, A.Yoshida, K.Yoshida, M.Ohtake, N.Fukuda, H.Takeda, K.Tanaka, N.Inabe, Y.Yanagisawa, Y.Gono, H.Watanabe, H.Otsu, H.Baba, T.Ichihara, Y.Yamaguchi, M.Takechi, S.Nishimura, H.Ueno, A.Yoshimi, H.Sakurai, T.Motobayashi, T.Nakao, Y.Mizoi, M.Matsushita, K.Ieki, N.Kobayashi, K.Tanaka, Y.Kawada, N.Tanaka, S.Deguchi, Y.Satou, Y.Kondo, T.Nakamura, K.Yoshinaga, C.Ishii, H.Yoshii, Y.Miyashita, N.Uematsu, Y.Shiraki, T.Sumikama, J.Chiba, E.Ideguchi, A.Saito, T.Yamaguchi, I.Hachiuma, T.Suzuki, T.Moriguchi, A.Ozawa, T.Ohtsubo, M.A.Famiano, H.Geissel, A.S.Nettleton, O.B.Tarasov, D.Bazin, B.M.Sherrill, S.L.Manikonda, J.A.Nolen Observation of new microsecond isomers among fission products from in-flight fission of 345 MeV/nucleon 238U NUCLEAR REACTIONS 9Be(238U, F)43S/50K/54Sc/56Sc/59Ti/60V/64Mn/67Fe/76Ni/75Cu/78Zn/82Ga/90As/92Se/93Se/ 92Br/94Br/95Br/96Br/95Kr/96Rb/97Rb/98Rb/97Sr/100Sr/101Y/106Nb/108Nb/109Nb/108Zr/109Mo/112Tc/113Tc/117Ru/119Ru/120Rh/122Rh/121Pd/124Pd/124Ag/125Ag/126Ag/125Cd/127Cd, 128Cd/130Cd/129In/130In/131In/130Sn/131Sn/132Sn/134Sn/136Sb, E=345 MeV/nucleon; measured fission fragment spectra, time of flight, energy loss, magnetic rigidity, Eγ, Iγ, γγ-coin, (fragment)γ-correlations, delayed γ spectra, isomer half-lives by γ(t) using BigRIPS separator and ZeroDegree spectrometer at RIBF, RIKEN accelerator complex. RADIOACTIVITY 43S, 50K, 54,56Sc, 59Ti, 60V, 64Mn, 67Fe, 76Ni, 75Cu, 78Zn, 82Ga, 90As, 92,93Se, 92,94,95,96Br, 95Kr, 96,97,98Rb, 97,100Sr, 101Y, 106,108,109Nb, 108Zr, 109Mo, 112,113Tc, 117,119Ru, 120,122Rh, 121,124Pd, 124,125,126Ag, 125,127,128,130Cd, 129,130,131In, 130,131,132,134Sn, 136Sb(IT)[from 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, (fragment)γ-correlations, delayed γ spectra, isomer half-lives by γ(t) using BigRIPS separator and ZeroDegree spectrometer at RIBF, RIKEN accelerator complex; deduced levels, J, π, shape isomers, multipolarity, configuration. Comparison with previous studies.
doi: 10.1103/PhysRevC.86.054319
2011NI01 Phys.Rev.Lett. 106, 052502 (2011) S.Nishimura, Z.Li, H.Watanabe, K.Yoshinaga, T.Sumikama, T.Tachibana, K.Yamaguchi, M.Kurata-Nishimura, G.Lorusso, Y.Miyashita, A.Odahara, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, T.Nakano, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, H.J.Ong, S.Ota, Zs.Podolyak, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi β-Decay Half-Lives of Very Neutron-Rich Kr to Tc Isotopes on the Boundary of the r-Process Path: An Indication of Fast r-Matter Flow RADIOACTIVITY 97,98,99,100Kr(β-), 97,98,99,100,101,102Rb(β-), 101,102,103,104,105Sr, 103,104,105,106,107,108Y(β-), 108,109,110Zr(β-), 111,112Nb(β-), 112,113,114,115Mo(β-), 116,117Tc(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Ee, Ie; deduced T1/2. Comparison with FRDM+QRPA, KTUY+GT2 model calculations, astrophysical r-process path.
doi: 10.1103/PhysRevLett.106.052502
2011SU11 Phys.Rev.Lett. 106, 202501 (2011) T.Sumikama, K.Yoshinaga, H.Watanabe, S.Nishimura, Y.Miyashita, K.Yamaguchi, K.Sugimoto, J.Chiba, Z.Li, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi Structural Evolution in the Neutron-Rich Nuclei 106Zr and 108Zr RADIOACTIVITY 106,108Zr, 104,105,106Y(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured time correlations, Eγ, Iγ; deduced first 2+ and 4+ states energies, J, π, ground state deformation in 106,108Zr, T1/2 for a new isomer in 108Zr and 106Y. Comparison with 1/E(2+) systematics for Kr, Sr, Zr, Mo, Ru, Pd, Cd, Sn isotopes.
doi: 10.1103/PhysRevLett.106.202501
2011WA03 Phys.Lett. B 696, 186 (2011) H.Watanabe, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Yamaguchi, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, Y.Shi, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, F.R.Xu, H.Yamaguchi Low-lying level structure of the neutron-rich nucleus 109Nb: A possible oblate-shape isomer NUCLEAR REACTIONS Be(238U, X)109Nb/109Zr, E=345 MeV/nucleon; measured fission fragments, Eγ, Iγ, β-γ-coin.; deduced level scheme, J, π, T1/2 for isomeric state in 109Nb, B(E1), B(M1), B(E2), B(M2), low-lying oblate-deformed states. Nilsson diagrams, calculation of potential energy surfaces.
doi: 10.1016/j.physletb.2010.12.028
2011WA26 Phys.Lett. B 704, 270 (2011) H.Watanabe, K.Yamaguchi, A.Odahara, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Sato, L.Prochniak, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, N.Hinohara, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, T.Nakatsukasa, M.Kurata-Nishimura, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi Development of axial asymmetry in the neutron-rich nucleus 110Mo RADIOACTIVITY 110Nb(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, X-rays. 110Mo; deduced energy levels, J, π, quasi-γ-band state, B(e2) ratio. Comparison with general Bohr Hamiltonian method calculations, systematics of low-lying levels of even-even Mo nuclei. NUCLEAR STRUCTURE 104,106,108,110Mo; calculated moments of inertia, potential energy surface, the nuclear landscape. General Bohr Hamiltonian method calculations.
doi: 10.1016/j.physletb.2011.09.050
2010OH02 J.Phys.Soc.Jpn. 79, 073201 (2010) T.Ohnishi, T.Kubo, K.Kusaka, A.Yoshida, K.Yoshida, M.Ohtake, N.Fukuda, H.Takeda, D.Kameda, K.Tanaka, N.Inabe, Y.Yanagisawa, Y.Gono, H.Watanabe, H.Otsu, H.Baba, T.Ichihara, Y.Yamaguchi, M.Takechi, S.Nishimura, H.Ueno, A.Yoshimi, H.Sakurai, T.Motobayashi, T.Nakao, Y.Mizoi, M.Matsushita, K.Ieki, N.Kobayashi, K.Tanaka, Y.Kawada, N.Tanaka, S.Deguchi, Y.Satou, Y.Kondo, T.Nakamura, K.Yoshinaga, C.Ishii, H.Yoshii, Y.Miyashita, N.Uematsu, Y.Shiraki, T.Sumikama, J.Chiba, E.Ideguchi, A.Saito, T.Yamaguchi, I.Hachiuma, T.Suzuki, T.Moriguchi, A.Ozawa, T.Ohtsubo, M.A.Famiano, H.Geissel, A.S.Nettleton, O.B.Tarasov, D.P.Bazin, B.M.Sherrill, S.L.Manikonda, J.A.Nolen Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a 238U Beam at 345 MeV/nucleon NUCLEAR REACTIONS Be, Pb(238U, F), E=345 MeV/nucleon; measured yields of fission fragments. Z=20-56, A=52-152; measured yields. 71Mn, 73,74Fe, 76Co, 79Ni, 81,82Cu, 84,85Zn, 87Ga, 90Ge, 95Se, 98Br, 101Kr, 103Rb, 106,107Sr, 108,109Y, 111,112Zr, 114,115Nb, 115,116,117Mo, 119,120Tc, 121,122,123,124Ru, 123,124,125,126Rh, 127,128Pd, 133Cd, 138Sn, 140Sb, 143Te, 145I, 148Xe, 152Ba; measured yields and cross sections, identified new isotopes using RI beam factory at RIKEN, ΔE-TOF-Bρ method.
doi: 10.1143/JPSJ.79.073201
2010YI01 Phys.Lett. B 688, 43 (2010) H.Yim, H.Bhang, J.Chiba, S.Choi, Y.Fukuda, T.Hanaki, R.S.Hayano, M.Iio, T.Ishikawa, S.Ishimoto, T.Ishiwatari, K.Itahashi, M.Iwai, M.Iwasaki, P.Kienle, J.H.Kim, Y.Matsuda, H.Ohnishi, S.Okada, H.Outa, M.Sato, S.Suzuki, T.Suzuki, D.Tomono, E.Widmann, T.Yamazaki Search for strange tribaryons in the 4He(K-stop, Nπ± reaction NUCLEAR REACTIONS 4He(K-, n), E at rest; measured En, In, (particle)(neutron)-coin; deduced upper limit for a strange tribaryon state.
doi: 10.1016/j.physletb.2010.03.083
2008IW02 Nucl.Phys. A804, 186 (2008) M.Iwasaki, H.Bhang, J.Chiba, S.Choi, Y.Fukuda, T.Hanaki, R.S.Hayano, M.Iio, T.Ishikawa, S.Ishimoto, T.Ishiwatari, K.Itahashi, M.Iwai, P.Kienle, J.H.Kim, Y.Matsuda, H.Ohnishi, S.Okada, H.Outa, M.Sato, S.Suzuki, T.Suzuki, D.Tomono, E.Widmann, T.Yamazaki, H.Yim Kaonic nuclear state search via K- reaction at rest on 4He target NUCLEAR REACTIONS 4He(K-, p), E at rest; measured charged-particle and proton momenta spectra and missing mass spectrum; deduced upper limit for a strange tribaryon state.
doi: 10.1016/j.nuclphysa.2008.02.303
2008SA01 Phys.Lett. B 659, 107 (2008) M.Sato, H.Bhang, J.Chiba, S.Choi, Y.Fukuda, T.Hanaki, R.S.Hayano, M.Iio, T.Ishikawa, S.Ishimoto, T.Ishiwatari, K.Itahashi, M.Iwai, M.Iwasaki, P.Kienle, J.H.Kim, Y.Matsuda, H.Ohnishi, S.Okada, H.Outa, S.Suzuki, T.Suzuki, D.Tomono, E.Widmann, T.Yamazaki, H.Yim Search for strange tribaryon states in the inclusive 4He(K-stopped, p) reaction NUCLEAR REACTIONS 4He(K-, p), E at rest; measured charged-particle and proton momenta spectra and missing mass spectrum; deduced upper limit for a strange tribaryon state.
doi: 10.1016/j.physletb.2007.11.024
2007MU01 Phys.Rev.Lett. 98, 042501 (2007) R.Muto, J.Chiba, H.Enyo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, M.Naruki, K.Ozawa, F.Sakuma, O.Sasaki, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura, and the KEK-PS E325 Collaboration Evidence for In-Medium Modification of the φ Meson at Normal Nuclear Density NUCLEAR REACTIONS C, Cu(p, e+e-X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced in-medium modification of φ meson.
doi: 10.1103/PhysRevLett.98.042501
2007NA36 J.Phys.(London) G34, S1059 (2007) M.Naruki, H.En'yo, R.Muto, T.Tabaru, S.Yokkaichi, Y.Fukao, H.Funahashi, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, F.Sakuma, M.Togawa, S.Yamada, Y.Yoshimura, J.Chiba, M.Ieiri, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Hamagaki, K.Ozawa, and the KEK-PS E325 Collaboration Medium modification of vector mesons observed in 12 GeV p+A reactions
doi: 10.1088/0954-3899/34/8/S156
2007OK03 Nucl.Phys. A790, 663c (2007) S.Okada, G.Beer, H.Bhang, M.Cargnelli, J.Chiba, S.Choi, C.Curceanu, Y.Fukuda, T.Hanaki, R.S.Hayano, M.Iio, T.Ishikawa, S.Ishimoto, T.Ishiwatari, K.Itahashi, M.Iwasaki, B.Juhasz, P.Kienle, J.Marton, Y.Matsuda, H.Ohnishi, H.Outa, M.Sato, P.Schmid, S.Suzuki, T.Suzuki, H.Tatsuno, D.Tomono, E.Widmann, T.Yamazaki, H.Yim, J.Zmeskal Precision spectroscopy of Kaonic Helium 3d → 2p X-rays ATOMIC PHYSICS, Mesic-Atoms 4He(K-, X), E at rest; measured X-ray spectra.
doi: 10.1016/j.nuclphysa.2007.03.113
2007OK04 Phys.Lett. B 653, 387 (2007) S.Okada, G.Beer, H.Bhang, M.Cargnelli, J.Chiba, S.Choi, C.Curceanu, Y.Fukuda, T.Hanaki, R.S.Hayano, M.Iio, T.Ishikawa, S.Ishimoto, T.Ishiwatari, K.Itahashi, M.Iwai, M.Iwasaki, B.Juhasz, P.Kienle, J.Marton, Y.Matsuda, H.Ohnishi, H.Outa, M.Sato, P.Schmid, S.Suzuki, T.Suzuki, H.Tatsuno, D.Tomono, E.Widmann, T.Yamazaki, H.Yim, J.Zmeskal Precision measurement of the 3d → 2p x-ray energy in kaonic 4He ATOMIC PHYSICS 4He(K-, X), E at rest; measured X-ray spectra. Silicon drift x-ray detectors. Comparison with theoretical models.
doi: 10.1016/j.physletb.2007.08.032
2007SA18 Phys.Rev.Lett. 98, 152302 (2007) F.Sakuma, J.Chiba, H.Enyo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, R.Muto, T.Nakura, M.Naruki, K.Ozawa, O.Sasaki, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura, and the KEK-PS E325 Collaboration Nuclear-Matter Modification of Decay Widths in the φ → e+e- and φ → K+K- Channels NUCLEAR REACTIONS C, Cu(p, e+e-X), (p, K+K-X), E=12 GeV; measured φ-meson decay associated electron-positron pair and kaon pair invariant mass spectra; deduced medium effects.
doi: 10.1103/PhysRevLett.98.152302
2007SU25 Phys.Rev. C 76, 068202 (2007) T.Suzuki, H.Bhang, J.Chiba, S.Choi, Y.Fukuda, T.Hanaki, R.S.Hayano, M.Iio, T.Ishikawa, S.Ishimoto, T.Ishiwatari, K.Itahashi, M.Iwai, M.Iwasaki, P.Kienle, J.H.Kim, Y.Matsuda, H.Ohnishi, S.Okada, H.Outa, M.Sato, S.Suzuki, D.Tomono, E.Widmann, T.Yamazaki, H.Yim, KEK-PS E549 Collaboration Λd correlations from the 4He(stopped-K-, d) reaction NUCLEAR REACTIONS 4He(K-, d), E at rest; measured particle spectra, particle-particle coincidences, Λd correlation analysis.
doi: 10.1103/PhysRevC.76.068202
2006MU22 Nucl.Phys. A774, 723 (2006) R.Muto, J.Chiba, H.En'yo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, M.Naruki, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura First observation of φ-meson mass modification in nuclear medium NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured e+, e- pair invariant mass spectra; deduced φ yields; analyzed φ mass modification. Comparison with model predictions.
doi: 10.1016/j.nuclphysa.2006.06.123
2006NA05 Phys.Rev.Lett. 96, 092301 (2006) M.Naruki, Y.Fukao, H.Funahashi, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, F.Sakuma, M.Togawa, S.Yamada, Y.Yoshimura, H.En'yo, R.Muto, T.Tabaru, S.Yokkaichi, J.Chiba, M.Ieiri, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Hamagaki, K.Ozawa Experimental Signature of Medium Modifications for ρ and ω Mesons in the 12 GeV p + A Reactions NUCLEAR REACTIONS C, Cu(p, ee+X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced φ, ω, ρ, η meson yields, medium modification effects.
doi: 10.1103/PhysRevLett.96.092301
2006TA20 Phys.Rev. C 74, 025201 (2006) T.Tabaru, H.En'yo, R.Muto, M.Naruki, S.Yokkaichi, J.Chiba, M.Ieiri, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Funahashi, Y.Fukao, M.Kitaguchi, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, K.Miwa, T.Murakami, T.Nakura, F.Sakuma, M.Togawa, S.Yamada, Y.Yoshimura, H.Hamagaki, K.Ozawa Nuclear mass number dependence of inclusive production of ω and φ mesons in 12 GeV p + A collisions NUCLEAR REACTIONS H, C, Cu(p, X), E=12 GeV; measured ω and φ mesons production σ, transverse momentum and rapidity distributions; deduced nuclear mass dependence.
doi: 10.1103/PhysRevC.74.025201
2004MU22 J.Phys.(London) G30, S1023 (2004) R.Muto, J.Chiba, H.En'yo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, M.Naruki, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura Experimental signature of in-medium mass modification of vector mesons at normal nuclear density NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced vector meson yields, in-medium mass modification.
doi: 10.1088/0954-3899/30/8/051
2003EN11 Prog.Theor.Phys.(Kyoto), Suppl. 149, 49 (2003) H.En'yo, J.Chiba, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, S.Yadama, S.Yokkaichi, Y.Yoshimura Nuclear Media Effects on Production and Decay of Vector Meson Studied in 12 GeV p + A Interaction NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced vector meson production features.
doi: 10.1143/PTPS.149.49
2003NA31 Nucl.Phys. A721, 297c (2003) M.Naruki, J.Chiba, H.En'yo, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, S.Yadama, S.Yokkaichi, Y.Yoshimura Measurement of Invariant Mass Spectra of Vector Meson Decaying in Nuclear Matter NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced vector meson production and decay features.
doi: 10.1016/S0375-9474(03)01054-6
2002OZ01 Nucl.Phys. A698, 535c (2002) K.Ozawa, J.Chiba, H.Enyo, H.Funahashi, H.Hamagaki, M.Kitaguchi, M.Ieiri, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, M.Nomachi, O.Sasaki, F.Sakuma, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, S.Yamada, S.Yokkaichi, Y.Yoshimura Modification of Vector Mesons in Nuclear Matter Measured in 12 GeV p + A Reactions at KEK-PS NUCLEAR REACTIONS H, C, Cu, Gd(p, X), E=12 GeV; measured e+e- and K+K- invariant mass spectra; deduced in-medium modification of vector mesons.
doi: 10.1016/S0375-9474(01)01422-1
2001OZ01 Phys.Rev.Lett. 86, 5019 (2001) K.Ozawa, H.Enyo, H.Funahashi, M.Kitaguchi, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, F.Sakuma, H.D.Sato, T.Tabaru, S.Yamada, S.Yokkaichi, Y.Yoshimura, J.Chiba, M.Ieiri, M.Nomachi, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Hamagaki Observation of ρ/ω Meson Modification in Nuclear Matter NUCLEAR REACTIONS H, C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced nuclear matter modification of ρ, ω mesons.
doi: 10.1103/PhysRevLett.86.5019
1998BE39 Phys.Rev. C58, 1115 (1998) M.J.Bennett, J.K.Pope, D.Beavis, J.B.Carroll, J.Chiba, A.Chikanian, H.J.Crawford, M.Cronqvist, Y.Dardenne, R.Debbe, T.Doke, J.Engelage, L.Greiner, R.S.Hayano, T.J.Hallman, H.H.Heckman, T.Kashiwagi, J.Kikuchi, B.S.Kumar, C.Kuo, P.J.Lindstrom, J.W.Mitchell, S.Nagamiya, J.L.Nagle, P.Stankus, K.H.Tanaka, R.C.Welsh, W.Zhan, and the E878 Collaboration Light Nuclei Production in Relativistic Au + Nucleus Collisions NUCLEAR REACTIONS 27Al, Cu, 197Au(197Au, X), E at 10.8 GeV/c/nucleon; measured light charged fragments rapidity distributions, multiplicities; deduced coalescence parameters.
doi: 10.1103/PhysRevC.58.1115
1998SU10 Nucl.Phys. A634, 115 (1998) Y.Sugaya, D.Ashery, J.Chiba, H.Ito, K.Kimura, Yu.T.Kiselev, S.Kouda, K.Miyano, T.Murakami, J.Murata, T.Nagae, Y.Nakai, M.Nomachi, M.Numajiri, H.Ochiishi, S.Sawada, M.Sekimoto, T.Shibata, T.Suzuki, K.H.Tanaka, M.K.Vlasov, Y.Yamanoi, K.Yasuda, Y.Yoshimura Subthreshold Antiproton Production in pA, dA and αA Reactions NUCLEAR REACTIONS C, Cu, 27Al, Pb(p, X), E=3.5-12 GeV; C, Cu, 27Al, Pb(d, X), E=2.5-5 GeV; C, Cu, 27Al(α, X), E=2-5 GeV; measured p-bar, charged pion, kaon production σ(E, θ); deduced antiproton production enhancement with d, α-induced reactions.
doi: 10.1016/S0375-9474(98)00122-5
1997BE44 Phys.Rev. C56, 1521 (1997) M.J.Bennett, D.Beavis, J.B.Carroll, J.Chiba, A.Chikanian, H.J.Crawford, M.Cronqvist, Y.Dardenne, R.Debbe, T.Doke, J.Engelage, L.Greiner, R.S.Hayano, T.J.Hallman, H.H.Heckman, T.Kashiwagi, J.Kikuchi, B.S.Kumar, C.Kuo, P.J.Lindstrom, J.W.Mitchell, S.Nagamiya, J.L.Nagle, J.K.Pope, P.Stankus, K.H.Tanaka, R.C.Welsh, W.Zhan Antiproton Distributions in Au + Nucleus Collisions NUCLEAR REACTIONS 27Al, Cu, 197Au(197Au, X), E at 10.8 GeV/c; measured p-bar invariant production σ, multiplicity at several rigidities, rapidity distributions; deduced centrality, target dependencies. E878 experiment. Longitudinal, radial expansion, transport models.
doi: 10.1103/PhysRevC.56.1521
1995BE45 Phys.Rev.Lett. 75, 3078 (1995) D.Beavis, M.J.Bennett, J.B.Carroll, J.Chiba, A.Chikanian, H.Crawford, M.Cronqvist, Y.Dardenne, R.Debbe, T.Doke, J.Engelage, L.Greiner, T.J.Hallman, R.S.Hayano, H.H.Heckman, T.Kashiwagi, J.Kikuchi, S.Kumar, C.Kuo, P.J.Lindstrom, J.W.Mitchell, S.Nagamiya, J.L.Nagle, J.K.Pope, P.Stankus, K.H.Tanaka, R.C.Welsh, W.Zhan, and the E878 Collaboration Search for New Metastable Particles Produced in Au + Au Collisions at 10.8A GeV/c NUCLEAR REACTIONS 197Au(197Au, X), E at 10.8 GeV/c/nucleon; measured particle production invariant multiplicities, σ; deduced no new metastable particles.
doi: 10.1103/PhysRevLett.75.3078
1995BE46 Phys.Rev.Lett. 75, 3633 (1995) D.Beavis, M.J.Bennett, J.B.Carroll, J.Chiba, A.Chikanian, H.Crawford, M.Cronqvist, Y.Dardenne, R.Debbe, T.Doke, J.Engelage, L.Greiner, T.J.Hallman, R.S.Hayano, H.H.Heckman, T.Kashiwagi, J.Kikuchi, S.Kumar, C.Kuo, P.J.Lindstrom, J.W.Mitchell, S.Nagamiya, J.L.Nagle, J.K.Pope, P.Stankus, K.H.Tanaka, R.C.Welsh, W.Zhan, and the E878 Collaboration Centrality Dependence of Antiproton Production in Au + Au Collisions NUCLEAR REACTIONS 197Au(197Au, X), E=high; measured p-bar yields vs rapidity; deduced p-bar production, annihilation dynamics related features.
doi: 10.1103/PhysRevLett.75.3633
1995CH17 Nucl.Phys. A583, 633c (1995) J.Chiba, D.Ashery, H.Ito, K.Kimura, Yu.T.Kiselev, S.Kouda, K.Miyano, T.Murakami, T.Nagae, Y.Nakai, M.Nomachi, H.Ochiishi, S.Sawada, M.Sekimoto, Y.Sugaya, T.Suzuki, K.H.Tanaka, M.K.Vlasov, Y.Yamanoi, K.Yasuda, Y.Yoshimura Subthreshold Antiproton Productions in pA, dA and αA Reactions NUCLEAR REACTIONS Cu(p, X), E=3.5-5 GeV; Cu(d, X), E=3-5 GeV/nucleon; Cu(α, X), E=2-5 GeV/nucleon; measured p-bar production σ(θ) vs momentum.
doi: 10.1016/0375-9474(94)00738-9
1994GI09 Nucl.Phys. A577, 227c (1994) R.Gilman, E.Brash, G.Edwards, C.Glashausser, M.K.Jones, F.T.Baker, S.Bastea, D.P.Beatty, L.Bimbot, J.Brusoe, J.Chiba, D.Cooper, G.Kumbartzki, C.Mauger, T.Nagae, B.Park, D.Prout, R.D.Ransome, M.Rawool-Sullivan, P.Rutt, B.Storm, E.Sugarbaker, T.Taddeucci, J.Zumbro Coherent Pion Production in 12C(p, nπ) at 800 MeV NUCLEAR REACTIONS 12C(p, nπ+), E=800 MeV; measured neutron, pion spectra.
doi: 10.1016/0375-9474(94)90860-5
1994TO08 Phys.Lett. 328B, 264 (1994) K.Tomizawa, I.Arai, H.Kitayama, N.Kato, Y.Nagasaka, M.Tanaka, K.Yagi, J.Chiba, T.Kobayashi, A.Manabe, T.Nagae, M.Sekimoto, V.Pantuev (Lambda) Hyperon Production at Backward Angles in the Reaction π- 6Li → (Lambda)X at 4 GeV/c NUCLEAR REACTIONS 6Li(π-, X), E at 4 GeV/c; measured lambda hyperon production invariant σ, polarization. Quark-parton model.
doi: 10.1016/0370-2693(94)91477-X
1993CH12 Nucl.Phys. A553, 771c (1993) J.Chiba, D.Ashery, H.Ito, K.Kimura, Yu.T.Kiselev, S.Koda, K.Miyano, T.Murakami, T.Nagae, Y.Nakai, M.Nomachi, S.Sawada, M.Sekimoto, T.Suzuki, K.H.Tanaka, M.K.Vlasov, Y.Yoshimura Enhancement of Subthreshold Antiproton Productions in Deuteron Induced Reactions NUCLEAR REACTIONS C, 27Al, Cu(d, X), E=3-5 GeV/nucleon; C, Cu(p, X), E=3.5-5 GeV; measured p-bar production σ.
doi: 10.1016/0375-9474(93)90696-U
1991AK05 Nucl.Phys. A534, 478 (1991) M.Akei, J.F.Amann, J.Chiba, H.Ejiri, Y.Iseki, M.Fukuda, T.Fukuda, O.Hashimoto, A.Higashi, S.Homma, T.Irie, A.Kashitani, S.Kato, K.Kimura, T.Kishimoto, K.Maeda, Y.Matsuyama, J.A.McGill, T.Nagae, H.Nagasawa, C.Nagoshi, H.Noumi, M.Nomachi, H.Ohsumi, K.Okuda, K.Omata, H.Sano, O.Sasaki, T.Shibata, F.Soga, F.Takeuchi, H.A.Thiessen, S.Toyama, K.H.Tanaka, Y.Umeda, N.Yoshikawa, Y.Yamanoi The (π+, K+) Reaction on 12C and 56Fe NUCLEAR REACTIONS 12C, Fe(π+, K+), E at 1.07 GeV/c; measured σ(θ), θ=3°. DWIA analysis.
doi: 10.1016/0375-9474(91)90457-H
1991CH32 Phys.Rev.Lett. 67, 1982 (1991) J.Chiba, T.Kobayashi, T.Nagae, I.Arai, N.Kato, H.Kitayama, A.Manabe, M.Tanaka, M.Tomizawa, D.Beatty, G.Edwards, C.Glashausser, G.J.Kumbartzki, R.D.Ransome, F.T.Baker Coincidence Measurements of (p, n) Reactions at 1.5 GeV/c on C and H in the Δ Excitation Region NUCLEAR REACTIONS C, 1H(p, n), E at 1.5 GeV/c; measured σ(θ) vs neutron momentum; deduced isobar peak location features.
doi: 10.1103/PhysRevLett.67.1982
1990AR30 J.Phys.(Paris), Colloq.C-6, 591 (1990) I.Arai, J.Chiba, N.Kato, H.Kitayama, T.Kobayashi, A.Manabe, T.Nagae, Y.Nagasaka, I.Nomura, V.Pantuev, M.Sekimoto, M.Tanaka, M.Tomizawa, K.Yagi Production and Polarization of Strange Quarks from Nuclear Matter: Polarization of (Lambda) hyperons at backward angles in the reactions πA → (Lambda)X and πA → (Lambda)K0X at 4 GeV/c NUCLEAR REACTIONS 12C(π-, X), E at 4 GeV/c; measured invariant σ, polarization. Hyperon production.
1990TO03 Phys.Lett. 235B, 245 (1990) K.Tokushuku, H.Enyo, T.Nagae, H.Sano, S.Sasaki, M.Sekimoto, R.Chiba, K.Ichimaru, T.Mori, H.Yokota, I.Arai, J.Chiba, K.Nakai Analysis of Deuteron Spectra from Hadron-Nucleus Reactions at Several GeV/c with the Coalescence Model NUCLEAR REACTIONS 27Al, Pb(p, pX), (p, dX), E at 4 GeV/c; measured proton, deuteron spectra. Coalescence model.
doi: 10.1016/0370-2693(90)91958-E
1989AK02 Nuovo Cim. 102A, 457 (1989) M.Akei, H.Ejiri, M.Fukuda, T.Irie, Y.Iseki, A.Kashitani, T.Kishimoto, H.Nagasawa, H.Noumi, H.Ohsumi, K.Okuda, Y.Umeda, T.Fukuda, T.Shibata, O.Hashimoto, S.Homma, Y.Matsuyama, T.Nagae, C.Nagoshi, K.Omata, F.Soga, S.Toyama, N.Yoshikawa, Y.Yamanoi, J.F.Amann, J.A.McGill, H.A.Thiessen, J.Chiba, M.Nomachi, S.Sasaki, K.H.Tanaka, S.Kato, K.Kimura, F.Takeuchi, K.Maeda, H.Sano Study of 12C(Lambda) and 56Fe(Lambda) Hypernuclei by (π+, K+) Reactions at the KEK 12 GeV PS NUCLEAR REACTIONS 12C, 56Fe(π+, K+), E ≈ 720 MeV/c; measured σ(θ) vs lambda binding energy.
doi: 10.1007/BF02734864
1989AK04 Nucl.Instrum.Methods Phys.Res. A283, 46 (1989) M.Akei, J.F.Amann, J.Chiba, H.Ejiri, M.Fukuda, T.Fukuda, O.Hashimoto, S.Homma, T.Irie, Y.Iseki, A.Kashitani, S.Kato, K.Kimura, T.Kishimoto, K.Maeda, Y.Matsuyama, J.A.McGill, T.Nagae, H.Nagasawa, C.Nagoshi, M.Nomachi, H.Noumi, H.Ohsumi, K.Okuda, K.Omata, H.Sano, O.Sasaki, T.Shibata, F.Soga, F.Takeuchi, H.A.Thiessen, S.Toyama, K.H.Tanaka, Y.Yamanoi, N.Yoshikawa A Broad Range Spectrometer PIK for Medium-Energy Meson Spectroscopy NUCLEAR REACTIONS 12C(π+, K+), E at 1.05 GeV/c; 12C, 1H(π+, p), E at 490 MeV/c; measured missing mass spectra. CH2 target, broad range spectrometer.
doi: 10.1016/0168-9002(89)91254-0
1989MA66 Phys.Rev.Lett. 63, 490 (1989) A.Manabe, I.Arai, M.Ninomiya, H.Nunokawa, M.Tanaka, K.Tomizawa, K.Yagi, T.Nagae, H.Sano, S.Sasaki, K.Tokushuku, J.Chiba, T.Kobayashi Polarizations and cross sections of Λ hyperons produced at backward angles in the reaction π + 12C → Λ + X at 4 GeV/c NUCLEAR REACTIONS 12C(π-, x), E=3.8 GeV; measured products, Λ; deduced polarization data. Data were imported from EXFOR entry J1333.
doi: 10.1103/PhysRevLett.63.490
1989YO03 Phys.Rev. C39, 2090 (1989) H.Yokota, S.Igarashi, K.Hama, T.Mori, T.Katsumi, K.Nakayama, K.Ichimaru, R.Chiba, K.Nakai, J.Chiba Direct (π+, pd) Cross Sections for Light Nuclei NUCLEAR REACTIONS 6,7Li, C(π+, pd), E=70, 130, 165 MeV; measured σ(θp, θd); deduced quasifree π+t → pd σ.
doi: 10.1103/PhysRevC.39.2090
1989YO05 Phys.Rev. C40, 270 (1989) H.Yokota, S.Igarashi, K.Hama, T.Mori, T.Katsumi, K.Ichimaru, K.Nakayama, R.Chiba, K.Nakai, J.Chiba Inclusive (π+, p) and (π+, pp) Cross Sections for Light Nuclei in the Resonance Energy Region NUCLEAR REACTIONS 6,7Li, C(π+, pX), (π+, 2p), E=70, 130, 165 MeV; measured σ(θ), σ(θp1, θp2); deduced effective numbers of quasideuteron.
doi: 10.1103/PhysRevC.40.270
1989YO07 Phys.Rev. C40, 1069 (1989) H.Yokota, S.Igarashi, K.Hama, T.Mori, T.Katsumi, K.Ichimaru, K.Nakayama, R.Chiba, K.Nakai, J.Chiba Broad Component of the (π+, pp) Angular Correlation NUCLEAR REACTIONS 6Li, 12C(π+, 2p), (π-, 2p), E=165 MeV; measured σ(θ1, θ2); deduced σ(θ) ratio, reaction mechanism.
doi: 10.1103/PhysRevC.40.1069
1987NA11 Phys.Lett. 191B, 31 (1987) T.Nagae, S.Sasaki, K.Tokushuku, H.Sano, M.Sekimoto, I.Arai, A.Manabe, H.Nunokawa, H.Sakamoto, K.Aoki, J.Chiba, K.Nakai Quasifree Production of Δ0 Isobars in Proton-Nucleus Reactions at 3.88 GeV/c NUCLEAR REACTIONS 2H, C, 27Al, Cu(p, p'), E at 3.88 GeV/c; measured proton spectra, σ(θ) vs momentum; deduced quasifree isobar production σ vs mass. Large acceptance spectrometer. Theoretical calculations.
doi: 10.1016/0370-2693(87)91316-5
1987YO01 Phys.Rev.Lett. 58, 191 (1987) H.Yokota, T.Mori, T.Katsumi, S.Igarashi, K.Hama, R.Chiba, K.Nakai, J.Chiba, H.Enyo, S.Sasaki, T.Nagae, M.Sekimoto Direct Observation of Multiple-Scattering Processes in Pion Absorption NUCLEAR REACTIONS 6Li, C(π-, 2p), E=70, 130, 165 MeV; measured σ(θ1, θ2); deduced multiple-scattering processes. Counter telescopes, plastic scintillators. Intranuclear cascade calculations.
doi: 10.1103/PhysRevLett.58.191
1986YO06 Phys.Rev.Lett. 57, 807 (1986) H.Yokota, K.Nakayama, K.Ichimaru, T.Katsumi, T.Mori, S.Igarashi, K.Hama, R.Chiba, K.Nakai, J.Chiba, H.Enyo, S.Sasaki, T.Nagae, M.Sekimoto Pion Absorption on T = 1 Nucleon Pairs at T(π) = 70 MeV NUCLEAR REACTIONS 6,7Li(π+, np), (π-, np), E=70 MeV; measured np(θ); deduced σ(θ), two-nucleon absorption component.
doi: 10.1103/PhysRevLett.57.807
1985IW01 Nucl.Phys. A433, 580 (1985) H.Iwasaki, H.Aihara, J.Chiba, H.Fujii, T.Fujii, T.Kamae, K.Nakamura, T.Sumiyoshi, Y.Takada, T.Takeda, M.Yamauchi, H.Fukuma Small-Angle (pol)p Elastic Scattering and the Real-to-Imaginary Ratio of the Forward Amplitude between 413 and 715 MeV/c NUCLEAR REACTIONS 1H(p-bar, p-bar), E at 413-715 MeV/c; measured σ(θ≤10°); deduced real to imaginary amplitude ratio.
doi: 10.1016/0375-9474(85)90019-3
1984NA03 Phys.Rev.Lett. 52, 731 (1984) K.Nakamura, J.Chiba, T.Fujii, H.Iwasaki, T.Kageyama, S.Kuribayashi, T.Sumiyoshi, T.Takeda, H.Ikeda, Y.Takada Absorption and Forward Scattering of Antiprotons by C, Al, and Cu Nuclei in the Region 470-880 MeV/c NUCLEAR REACTIONS C, 27Al, Cu(p-bar, p-bar), (p-bar, X), E at 470-880 MeV/c; measured elastic σ(θ), absorption σ; deduced (p-bar)-nucleus potential parameters. Optical model.
doi: 10.1103/PhysRevLett.52.731
1981AI01 Nucl.Phys. A360, 291 (1981) H.Aihara, J.Chiba, H.Fujii, T.Fujii, H.Iwasaki, T.Kamae, K.Nakamura, T.Sumiyoshi, Y.Takada, T.Takeda, M.Yamauchi, H.Fukuma Absorption Cross Sections for Antiprotons on Carbon, Aluminum and Copper at 485 and 597 MeV/c NUCLEAR REACTIONS 12C, 27Al, Cu(p-bar, X), E=118, 174 MeV; measured σ(absorption). Transmission method, natural targets.
doi: 10.1016/0375-9474(81)90147-0
1981SH03 Nucl.Instrum.Methods 179, 67 (1981) T.A.Shibata, T.Kobayashi, T.Numao, J.Chiba, K.Nakai, T.Yamazaki, O.Hashimoto, H.Hamagaki, M.Taino, A.Yamamoto, S.Kurokawa, H.Hirabayashi A Low-Momentum π-μ Channel at the KEK 12 GeV Proton Synchrotron NUCLEAR REACTIONS C, Al, Cu(p, π+), (p, π-), (p, α), (p, p), (p, d), (p, 3He), E=12 GeV; measured σ(θ, particle momentum). C, Al, Cu(π, X), E=20-300 MeV; measured σ(absorption), γ-multiplicities vs E. Pions from 12 GeV primary proton beam.
doi: 10.1016/0029-554X(81)91163-0
1980NA03 Phys.Rev.Lett. 44, 1446 (1980) K.Nakai, T.Kobayashi, T.Numao, T.A.Shibata, J.Chiba, K.Masutani Measurements of Cross Sections for Pion Absorption by Nuclei NUCLEAR REACTIONS Al, Ti, Cu, Sn, Au(π+, X), (π-, X), E=20-280 MeV; measured Eγ, Iγ, γγ-, πγ-, πγγ-coin, γ-multiplicity; deduced pion absorption σ(E). Optical model analysis.
doi: 10.1103/PhysRevLett.44.1446
1979CH26 Phys.Rev. C20, 1332 (1979) J.Chiba, K.Nakai, I.Tanihata, S.Nagamiya, H.Bowman, J.Ingersoll, J.O.Rasmussen Low-Energy Pion Production with 800 MeV/N 20Ne NUCLEAR REACTIONS Na, Cu, Pb(20Ne, π+), E=800 MeV/nucleon; measured σ(E(π), θπ).
doi: 10.1103/PhysRevC.20.1332
1979NA12 Phys.Rev. C20, 2210 (1979) K.Nakai, J.Chiba, I.Tanihata, M.Sasao, H.Bowman, S.Nagamiya, J.O.Rasmussen Low-Energy Pion Production in High-Energy Nucleus-Nucleus Collisions NUCLEAR REACTIONS C, Na, F, Cu, Pb(20Ne, π+), E=400 MeV/nucleon; measured σ(Eπ, θπ).
doi: 10.1103/PhysRevC.20.2210
1978SH18 Nucl.Phys. A308, 513 (1978) T.Shibata, H.Ejiri, J.Chiba, S.Nagamiya, K.Nakai In-Beam Nuclear Gamma-Ray Studies of Relativistic Heavy Ion Reactions NUCLEAR REACTIONS Sr(12C, X), E=3-12.6 GeV; Na, S, Ca(12C, X), E=3-4.8 GeV; Na, S, Ca(α, X), E=1.6 GeV; measured σ(Eγ), Iγ.
doi: 10.1016/0375-9474(78)90563-8
1977CH23 J.Phys.Soc.Jap. 43, 1109 (1977) J.Chiba, R.S.Hayano, M.Sekimoto, H.Nakayama, K.Nakai Band Structures of the 135La, 133La and 129Cs Nuclei NUCLEAR REACTIONS 133Cs, 127I(α, 2n), E=28 MeV; 133Cs(3He, 3n), E=33 MeV; measured Eγ, σ(Eγ, θ), γγ(t). 135,133La, 129Cs deduced levels, K, J, π, T1/2. Natural targets. Ge(Li) detectors.
doi: 10.1143/JPSJ.43.1109
1977NA27 Nucl.Phys. A293, 137 (1977) H.Nakayama, J.Chiba, M.Sekimoto, K.Nakai Structure of the Transitional Nucleus 149Eu NUCLEAR REACTIONS 150Sm(p, 2nγ), E=18-26 MeV; measured Eγ, σ(Eγ), σ(Eγ, θ), γγ-coin, γγ-delayed coin. 149Eu deduced levels, J, π. Enriched target.
doi: 10.1016/0375-9474(77)90482-1
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