NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = R.Hayano Found 111 matches. Showing 1 to 100. [Next]2021AG02 Nucl.Phys. A1009, 122170 (2021) H.Aghai-Khozani, D.Barna, M.Corradini, D.De Salvador, R.S.Hayano, M.Hori, M.Leali, E.Lodi-Rizzini, V.Mascagna, M.Prest, D.Seiler, A.Soter, K.Todoroki, E.Vallazza, L.Venturelli Limits on antiproton-nuclei annihilation cross sections at ∼ 125 keV NUCLEAR REACTIONS C, Pd, Pt(p-bar, X), E ∼ 125 keV; measured reaction products, TOF; deduced limits on the annihilation σ.
doi: 10.1016/j.nuclphysa.2021.122170
2019AJ01 Phys.Lett. B 789, 620 (2019) S.Ajimura, H.Asano, G.Beer, C.Berucci, H.Bhang, M.Bragadireanu, P.Buehler, L.Busso, M.Cargnelli, S.Choi, C.Curceanu, S.Enomoto, H.Fujioka, Y.Fujiwara, T.Fukuda, C.Guaraldo, T.Hashimoto, R.S.Hayano, T.Hiraiwa, M.Iio, M.Iliescu, K.Inoue, Y.Ishiguro, T.Ishikawa, S.Ishimoto, K.Itahashi, M.Iwasaki, K.Kanno, K.Kato, Y.Kato, S.Kawasaki, P.Kienle, H.Kou, Y.Ma, J.Marton, Y.Matsuda, Y.Mizoi, O.Morra, T.Nagae, H.Noumi, H.Ohnishi, S.Okada, H.Outa, K.Piscicchia, Y.Sada, A.Sakaguchi, F.Sakuma, M.Sato, A.Scordo, M.Sekimoto, H.Shi, K.Shirotori, D.Sirghi, F.Sirghi, K.Suzuki, S.Suzuki, T.Suzuki, K.Tanida, H.Tatsuno, M.Tokuda, D.Tomono, A.Toyoda, K.Tsukada, O.Vazquez Doce, E.Widmann, T.Yamaga, T.Yamazaki, Q.Zhang, J.Zmeskal "K-pp", a K-bar-meson nuclear bound state, observed in 3He(K-, Λp)n reactions NUCLEAR REACTIONS 3He(K-, Λp), E ∼ 1 GeV; measured reaction products; deduced a distinct peak in the Λp invariant mass spectrum.
doi: 10.1016/j.physletb.2018.12.058
2018AG01 Nucl.Phys. A970, 366 (2018) H.Aghai-Khozani, A.Bianconi, M.Corradini, R.Hayano, M.Hori, M.Leali, E.Lodi Rizzini, V.Mascagna, Y.Murakami, M.Prest, E.Vallazza, L.Venturelli, H.Yamada Measurement of the antiproton-nucleus annihilation cross-section at low energy NUCLEAR REACTIONS 12C(p-bar, γ), E=5.3 MeV; measured p-bar in-flight annihilations; deduced σ. Compared with other data (up to 900 MeV/c) and calculations, and also with n-bar on different targets below 500 MeV.
doi: 10.1016/j.nuclphysa.2018.01.001
2016BA34 Nucl.Phys. A954, 7 (2016) M.Bazzi, G.Beer, G.Bellotti, C.Berucci, A.M.Bragadireanu, D.Bosnar, M.Cargnelli, C.Curceanu, A.D.Butt, A.d'Uffizi, C.Fiorini, F.Ghio, C.Guaraldo, R.S.Hayano, M.Iliescu, T.Ishiwatari, M.Iwasaki, P.Levi Sandri, J.Marton, S.Okada, D.Pietreanu, K.Piscicchia, A.Romero Vidal, E.Sbardella, A.Scordo, H.Shi, D.L.Sirghi, F.Sirghi, H.Tatsuno, O.Vazquez Doce, E.Widmann, J.Zmeskal K-series X-ray yield measurement of kaonic hydrogen atoms in a gaseous target ATOMIC PHYSICS 1,2H(K-, X), E≈ 16 MeV; measured K-series X-rays, timing using TDC channel with SSD; deduced X-ray energy of kaonic hydrogen atom, intensities of K-series transitions; calculated X-ray detection efficiency vs photon energy using GEANT4; deduced Kα, Ktot and Kcomplex yields.
doi: 10.1016/j.nuclphysa.2016.03.047
2015FU02 Acta Phys.Pol. B46, 127 (2015) H.Fujioka, Y.Ayyad, J.Benlliure, K.-T.Brinkmann, S.Friedrich, H.Geissel, J.Gellanki, C.Guo, E.Gutz, E.Haettner, M.N.Harakeh, R.S.Hayano, Y.Higashi, S.Hirenzaki, C.Hornung, Y.Igarashi, N.Ikeno, K.Itahashi, M.Iwasaki, D.Jido, N.Kalantar-Nayestanaki, R.Kanungo, R.Knoebel, N.Kurz, V.Metag, I.Mukha, T.Nagae, H.Nagahiro, M.Nanova, T.Nishi, H.J.Ong, S.Pietri, A.Prochazka, C.Rappold, M.P.Reiter, J.L.Rodriguez-Sanchez, C.Scheidenberger, H.Simon, B.Sitar, P.Strmen, B.Sun, K.Suzuki, I.Szarka, M.Takechi, Y.K.Tanaka, I.Tanihata, S.Terashima, Y.N.Watanabe, H.Weick, E.Widmann, J.S.Winfield, X.Xu, H.Yamakami, J.Zhao Search for η'(958)-nucleus Bound States by (p, d) Reaction at GSI and FAIR NUCLEAR REACTIONS C(p, d), E=2.5 GeV; measured reaction products, Ep, Ip; deduced preliminary results for η'-mesic nuclei.
doi: 10.5506/APhysPolB.46.127
2014AG17 Hyperfine Interactions 229, 31 (2014) H.Aghai-Khozani, D.Barna, M.Corradini, R.Hayano, M.Hori, T.Kobayashi, M.Leali, E.Lodi-Rizzini, V.Mascagna, M.Prest, A.Soter, K.Todoroki, E.Vallazza, L.Venturelli, N.Zurlo Experimental investigation of ∼ 130 keV kinetic energy antiprotons annihilation on nuclei NUCLEAR REACTIONS C, Pd(p-bar, X), E ∼ 130 keV; measured reaction products, Eβ, Iβ; deduced annihilation yields.
doi: 10.1007/s10751-014-1054-3
2014BA21 Eur.Phys.J. A 50, 91 (2014) M.Bazzi, G.Beer, C.Berucci, A.M.Bragadireanu, M.Cargnelli, C.Curceanu, A.d'Uffizi, C.Fiorini, F.Ghio, C.Guaraldo, R.S.Hayano, M.Iliescu, T.Ishiwatari, M.Iwasaki, P.Levi Sandri, J.Marton, S.Okada, D.Pietreanu, T.Ponta, R.Quaglia, A.Romero Vidal, E.Sbardella, A.Scordo, H.Shi, D.L.Sirghi, F.Sirghi, H.Tatsuno, O.Vazquez Doce, B.Wunschek, E.Widmann, J.Zmeskal, for the SIDDHARTA Collaboration L-series X-ray yields of kaonic 3He and 4He atoms in gaseous targets ATOMIC PHYSICS 2H, 3,4He(K+, x), (K-, x), E not given; measured X-rays; deduced 3,4He kaonic atom yields, L-series X-ray transition yields using Monte Carlo simulation.
doi: 10.1140/epja/i2014-14091-0
2014IV04 Phys.Rev. C 90, 034620 (2014) A.N.Ivanov, R.S.Hayano, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov β-decay rates of bare 108Ag47+ and H-like 108Ag46+ ions RADIOACTIVITY 108Ag(β-), (EC); calculated decay rates of the continuum-state, bound-state, and EC-decay rates for bare 108Ag47+ and H-like 108Ag46+ ions using standard theory of weak interactions of heavy ions. Comparison with experimental decay rates of neutral 108Ag atoms.
doi: 10.1103/PhysRevC.90.034620
2013BA19 Nucl.Phys. A907, 69 (2013) M.Bazzi, G.Beer, C.Berucci, L.Bombelli, A.M.Bragadireanu, M.Cargnelli, C.Curceanu, A.d'Uffizi, C.Fiorini, T.Frizzi, F.Ghio, C.Guaraldo, R.Hayano, M.Iliescu, T.Ishiwatari, M.Iwasaki, P.Kienle, P. Levi Sandri, A.Longoni, J.Marton, S.Okada, D.Pietreanu, T.Ponta, A.Romero Vidal, E.Sbardella, A.Scordo, H.Shi, D.L.Sirghi, F.Sirghi, H.Tatsuno, A.Tudorache, V.Tudorache, O.Vazquez Doce, E.Widmann, J.Zmeskal Preliminary study of kaonic deuterium X-rays by the SIDDHARTA experiment at DAΦNE ATOMIC PHYSICS 2H(K-, X), E=low; measured X-ray spectrum using SDDS at SIDDHARTA-2; deduced kaonic atoms X-ray K-series yields to be used for low-energy QCD.
doi: 10.1016/j.nuclphysa.2013.03.001
2013CU03 Nucl.Phys. A914, 251c (2013) C.Curceanu, M.Bazzi, G.Beer, C.Berucci, L.Bombelli, A.M.Bragadireanu, M.Cargnelli, A.Clozza, A.d'Uffizi, C.Fiorini, T.Frizzi, F.Ghio, C.Guaraldo, R.S.Hayano, M.Iliescu, T.Ishiwatari, M.Iwasaki, P.Kienle, P.Levi Sandri, A.Longoni, J.Marton, S.Okada, D.Pietreanu, K.Piscicchia, M.Poli Lener, T.Ponta, A.Romero Vidal, E.Sbardella, A.Scordo, H.Shi, D.L.Sirghi, F.Sirghi, H.Tatsuno, A.Tudorache, V.Tudorache, O.Vazquez Doce, E.Widmann, B.Wunschek, J.Zmeskal Unlocking the secrets of the kaon-nucleon/nuclei interactions at low-energies: The SIDDHARTA(-2) and the AMADEUS experiments at the DAφNE collider NUCLEAR REACTIONS 1,2H, 3,4He(K-, γ), E=low; measured hypernucleus X-ray; deduced widths of specified levels. Compared with available data.
doi: 10.1016/j.nuclphysa.2012.12.128
2012FR09 Hyperfine Interactions 212, 167 (2012) S.Friedreich, D.Barna, F.Caspers, A.Dax, R.Hayano, M.Hori, D.Horvath, B.Juhasz, T.Kobayashi, O.Massiczek, A.Soter, K.Todoroki, E.Widmann, J.Zmeskal Microwave spectroscopy measurements of the hyperfine structure in antiprotonic 3He NUCLEAR MOMENTS 3He; measured microwave frequency, laser resonance profile; deduced first microwave spectroscopic result for hyperfine structure in antiprotonic 3He, SSHF resonance transitions.
doi: 10.1007/s10751-012-0639-y
2011FR07 Phys.Lett. B 700, 1 (2011) S.Friedreich, D.Barna, F.Caspers, A.Dax, R.S.Hayano, M.Hori, D.Horvath, B.Juhasz, T.Kobayashi, O.Massiczek, A.Soter, K.Todoroki, E.Widmann, J.Zmeskal First observation of two hyperfine transitions in antiprotonic 3He ATOMIC PHYSICS 3He; measured the analog delayed annihilation spectrum in p-bar 3He system, microwave frequency; deduced hyperfine transitions. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2011.04.029
2011FR10 Hyperfine Interactions 199, 337 (2011) S.Friedreich, D.Barna, A.Dax, R.Hayano, D.Horvath, M.Hori, B.Juhasz, O.Massiczek, A.Soter, T.Pask, E.Widmann Spectroscopy of the hyperfine structure of antiprotonic 4He and 3He NUCLEAR MOMENTS 3,4He; measured microwave spectra; deduced spin magnetic moment of antiproton. Comparison with previous measurements.
doi: 10.1007/s10751-011-0329-1
2010CA30 Nucl.Phys. A835, 27c (2010) M.Cargnelli, M.Bazzi, G.Beer, L.Bombelli, A.M.Bragadireanu, C.Curceanu Petrascu, C.Fiorini, T.Frizzi, F.Ghio, B.Girolami, C.Guaraldo, R.Hayano, M.Iliescu, T.Ishiwatari, M.Iwasaki, P.Kienle, P.Lechner, P.Levi Sandri, A.Longoni, V.Lucherini, J.Marton, S.Okada, D.Pietreanu, T.Ponta, A.Romero Vidal, A.Scordo, H.-X.Shi, D.L.Sirghi, F.Sirghi, H.Soltau, L.Struder, H.Tatsuno, O.Vazquez Doce, E.Widmann, J.Zmeskal Kaonic atoms studies at DAFNE by the SIDDHARTA experiment ATOMIC PHYSICS 1,2H, 4He; measured mesic-atoms E(X-ray), I(X-ray). 4He deduced 2p shift.
doi: 10.1016/j.nuclphysa.2010.01.171
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
2009HA43 Nucl.Phys. A827, 324c (2009) R.S.Hayano, J-PARC E17 Collaboration Kaonic helium atoms
doi: 10.1016/j.nuclphysa.2009.05.067
2009IT02 Hyperfine Interactions 193, 27 (2009) K.Itahashi, S.Itoh, N.Fukunishi, H.Geissel, R.S.Hayano, S.Hirenzaki, M.Iwasaki, P.Kienle, R.Kimura, K.Lindberg, C.Nociforo, H.Ohnishi, S.Okada, N.Ono, H.Outa, M.Sato, K.Suzuki, T.Suzuki, H.Tatsuno, P.-E.Tegner, M.Wakasugi, H.Weick, J.Yamagata-Sekihara, To.Yamazaki, Y.Yano, I.Zartova Pionic atom factory project in the RIBF, Spectroscopy of pionic atom in 122Sn (d, 3He) Nuclear Reaction
doi: 10.1007/s10751-009-0069-7
2008HA25 Nucl.Phys. A805, 295c (2008) Experimental study of hadron properties in the nuclear medium
doi: 10.1016/j.nuclphysa.2008.02.286
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
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
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
2006ZU05 Phys.Rev.Lett. 97, 153401 (2006) N.Zurlo, M.Amoretti, C.Amsler, G.Bonomi, C.Carraro, C.L.Cesar, M.Charlton, M.Doser, A.Fontana, R.Funakoshi, P.Genova, R.S.Hayano, L.V.Jorgensen, A.Kellerbauer, V.Lagomarsino, R.Landua, E.Lodi Rizzini, M.Macri, N.Madsen, G.Manuzio, D.Mitchard, P.Montagna, L.G.Posada, H.Pruys, C.Regenfus, A.Rotondi, G.Testera, D.P.Van der Werf, A.Variola, L.Venturelli, Y.Yamazaki, and the ATHENA Collaboration Evidence For The Production Of Slow Antiprotonic Hydrogen In Vacuum ATOMIC PHYSICS 1H(p-bar, X), E=low; measured annihilation spectra; deduced antiprotonic hydrogen production.
doi: 10.1103/PhysRevLett.97.153401
2005BO14 Nucl.Phys. A752, 97c (2005) G.Bonomi, M.Amoretti, P.D.Bowe, C.Canali, C.Carraro, C.L.Cesar, M.Charlton, M.Doser, A.Fontana, M.C.Fujiwara, R.Funakoshi, P.Genova, J.S.Hangst, R.S.Hayano, L.V.Jorgensen, A.Kellerbauer, V.Lagomarsino, R.Landua, E.Lodi Rizzini, M.Macri, N.Madsen, G.Manuzio, P.Montagna, D.Mitchard, A.Rotondi, G.Testera, A.Variola, L.Venturelli, Y.Yamazaki, D.P.van der Werf, N.Zurlo Antihydrogen production mechanisms in ATHENA
doi: 10.1016/j.nuclphysa.2005.02.046
2005HO03 Phys.Rev.Lett. 94, 063401 (2005) M.Hori, J.Eades, R.S.Hayano, W.Pirkl, E.Widmann, H.Yamaguchi, H.A.Torii, B.Juhasz, D.Horvath, K.Suzuki, T.Yamazaki Observation of Cold, Long-Lived Antiprotonic Helium Ions ATOMIC PHYSICS 3,4He; measured antiprotonic ions lifetimes.
doi: 10.1103/PhysRevLett.94.063401
2005SU13 Nucl.Phys. A754, 375c (2005) T.Suzuki, H.Bhang, G.Franklin, K.Gomikawa, R.S.Hayano, T.Hayashi, K.Ishikawa, S.Ishimoto, K.Itahashi, M.Iwasaki, T.Katayama, Y.Kondo, Y.Matsuda, T.Nakamura, S.Okada, H.Outa, B.Quinn, M.Sato, M.Shindo, H.So, P.Strasser, T.Sugimoto, K.Suzuki, S.Suzuki, D.Tomono, A.M.Vinodkumar, E.Widmann, T.Yamazaki, T.Yoneyama A search for deeply bound kaonic nuclear states NUCLEAR REACTIONS 4He(K-, nX), (K-, pX), E at rest; measured En, Ep, missing mass; deduced strange tribaryon production.
doi: 10.1016/j.nuclphysa.2005.02.087
2004FU01 Nucl.Instrum.Methods Phys.Res. B214, 11 (2004) M.C.Fujiwara, M.Amoretti, C.Amsler, G.Bonomi, A.Bouchta, P.Bowe, C.Carraro, C.L.Cesar, M.Charlton, M.Doser, V.Filippini, A.Fontana, R.Funakoshi, P.Genova, J.S.Hangst, R.S.Hayano, L.V.Jorgensen, V.Lagomarsino, R.Landau, D.Lindelof, E.Lodi Rizzini, M.Marchesotti, M.Macri, N.Madsen, P.Montagna, H.Pruys, C.Regenfus, P.Rielder, A.Rotondi, G.Testera, A.Variola, D.P.van der Werf, and the ATHENA Collaboration First production and detection of cold antihydrogen atoms
doi: 10.1016/S0168-583X(03)01775-0
2004HO17 Phys.Rev. A 70, 012504 (2004) M.Hori, J.Eades, E.Widmann, T.Yamazaki, R.S.Hayano, T.Ishikawa, H.A.Torii, T.von Egidy, F.J.Hartmann, B.Ketzer, C.Maierl, R.Pohl, M.Kumakura, N.Morita, D.Horvath, I.Sugai Populations and lifetimes in the v=n-l-1=2 and 3 metastable cascades of (p-bar)He+ measured by pulsed and continuous antiproton beams ATOMIC PHYSICS He(p-bar, X), E at rest; measured antiprotonic helium level populations, lifetimes. Laser spectroscopy.
doi: 10.1103/PhysRevA.70.012504
2004SA02 Nucl.Instrum.Methods Phys.Res. B214, 89 (2004) J.Sakaguchi, J.Eades, R.S.Hayano, M.Hori, D.Horvath, T.Ishikawa, B.Juhasz, H.A.Torii, E.Widmann, H.Yamaguchi, T.Yamazaki Study of the hyperfine structure of antiprotonic helium NUCLEAR REACTIONS He(p-bar, X), E at rest; measured hfs of antiprotonic helium. Laser-microwave spectroscopy. ATOMIC PHYSICS He(p-bar, X), E at rest; measured hfs of antiprotonic helium. Laser-microwave spectroscopy.
doi: 10.1016/j.nimb.2003.08.013
2004SA52 Nucl.Instrum.Methods Phys.Res. A533, 598 (2004) J.Sakaguchi, H.Gilg, R.S.Hayano, T.Ishikawa, K.Suzuki, E.Widmann, H.Yamaguchi, F.Caspers, J.Eades, M.Hori, D.Barna, D.Horvath, B.Juhasz, H.A.Torii, T.Yamazaki Cryogenic tunable microwave cavity at 13 GHz for hyperfine spectroscopy of antiprotonic helium
doi: 10.1016/j.nima.2004.06.144
2004SU04 Phys.Rev.Lett. 92, 072302 (2004) K.Suzuki, M.Fujita, H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Matos, G.Munzenberg, T.Ohtsubo, M.Sato, M.Shindo, T.Suzuki, H.Weick, M.Winkler, T.Yamazaki, T.Yoneyama Precision Spectroscopy of Pionic 1s States of Sn Nuclei and Evidence for Partial Restoration of Chiral Symmetry in the Nuclear Medium NUCLEAR REACTIONS 116,120,124Sn(d, 3He), E=503.338 MeV; measured σ(E, θ). 115,119,123Sn deduced deeply bound pionic states energies, widths, pion-nucleus potential features.
doi: 10.1103/PhysRevLett.92.072302
2004SU19 Phys.Lett. B 597, 263 (2004) T.Suzuki, H.Bhang, G.Franklin, K.Gomikawa, R.S.Hayano, T.Hayashi, K.Ishikawa, S.Ishimoto, K.Itahashi, M.Iwasaki, T.Katayama, Y.Kondo, Y.Matsuda, T.Nakamura, S.Okada, H.Outa, B.Quinn, M.Sato, M.Shindo, H.So, P.Strasser, T.Sugimoto, K.Suzuki, S.Suzuki, D.Tomono, A.M.Vinodkumar, E.Widmann, T.Yamazaki, T.Yoneyama Discovery of a strange tribaryon S0(3115) in 4He (stopped K-, p) reaction NUCLEAR REACTIONS 4He(K-, pX), E at rest; measured proton spectra, missing mass; deduced strange dibaryon production.
doi: 10.1016/j.physletb.2004.07.046
2004WI01 Nucl.Instrum.Methods Phys.Res. B214, 31 (2004) E.Widmann, R.S.Hayano, M.Hori, T.Yamazaki Measurement of the hyperfine structure of antihydrogen
doi: 10.1016/j.nimb.2003.08.021
2004YA22 Phys.Rev. A 70, 012501 (2004) H.Yamaguchi, R.S.Hayano, T.Ishikawa, J.Sakaguchi, E.Widmann, J.Eades, M.Hori, H.A.Torii, B.Juhasz, D.Horvath, T.Yamazaki Systematic study of the decay rates of antiprotonic helium states ATOMIC PHYSICS 3,4He(p-bar, X), E at rest; measured antiprotonic helium decay rates. Laser spectroscopy, comparison with model predictions.
doi: 10.1103/PhysRevA.70.012501
2003SA44 Nucl.Phys. A721, 859c (2003) J.Sakaguchi, J.Eades, R.S.Hayano, M.Hori, D.Horvath, T.Ishikawa, B.Juhasz, H.A.Torii, E.Widmann, H.Yamaguchi, T.Yamazaki First observation of the hyperfine and superhyperfine structure of antiprotonic helium by laser-microwave spectroscopy ATOMIC PHYSICS He(p-bar, X), E at rest; measured hfs of antiprotonic helium. Laser-microwave spectroscopy. NUCLEAR REACTIONS He(p-bar, X), E at rest; measured hfs of antiprotonic helium. Laser-microwave spectroscopy.
doi: 10.1016/S0375-9474(03)01226-0
2003SU24 Nucl.Phys. A721, 831c (2003) K.Suzuki, M.Fujita, H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Matos, G.Munzenberg, T.Ohtsubo, M.Sato, M.Shindo, T.Suzuki, H.Weick, M.Winkler, T.Yamazaki, T.Yoneyama Deeply bound pionic 1s states in Sn isotopes NUCLEAR REACTIONS 116,120,124Sn(d, 3Heπ-), E=503.4 MeV; measured σ(E, θ). 115,119,123Sn deduced pionic states energies, widths.
doi: 10.1016/S0375-9474(03)01219-3
2003SU35 Prog.Theor.Phys.(Kyoto), Suppl. 149, 32 (2003) K.Suzuki, M.Fujita, H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Matos, G.Munzenberg, T.Ohtsubo, M.Sato, M.Shindo, T.Suzuki, H.Weick, M.Winkler, T.Yamazaki, T.Yoneyama Observation of Pionic 1s States in Sn Nuclei and Its Implications on Chiral Symmetry Restoration NUCLEAR REACTIONS 116,120,124Sn(d, 3Heπ-), E=503.4 MeV; measured particle spectra, σ(E, θ). 115,119,123Sn deduced deeply-bound pionic states binding energies, widths.
doi: 10.1143/PTPS.149.32
2003YA14 Nucl.Phys. A721, 473c (2003) H.Yamaguchi, J.Eades, R.S.Hayano, M.Hori, D.Horvath, T.Ishikawa, B.Juhasz, J.Sakaguchi, H.A.Torii, E.Widmann, T.Yamazaki Precise laser spectroscopy of the antiprotonic helium atom and CPT test on antiproton mass and charge ATOMIC PHYSICS He; measured transition frequencies in antiprotonic helium; deduced limits on proton-antiproton mass and charge differences.
doi: 10.1016/S0375-9474(03)01102-3
2002GE09 Phys.Rev.Lett. 88, 122301 (2002) H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Munch, G.Munzenberg, W.Schott, K.Suzuki, D.Tomono, H.Weick, T.Yamazaki, T.Yoneyama Deeply Bound 1s and 2p Pionic States in 205Pb and Determination of the s-Wave Part of the Pion-Nucleus Interaction NUCLEAR REACTIONS 206Pb(d, 3He), E=604.3 MeV; measured particle spectra, σ(E, θ). 205Pb deduced deeply bound pionic states energies, widths.
doi: 10.1103/PhysRevLett.88.122301
2002GE17 Phys.Lett. 549B, 64 (2002) H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, s.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Munch, G.Munzenberg, W.Schott, K.Suzuki, D.Tomono, H.Weick, T.Yamazaki, T.Yoneyama Experimental Indication of a Reduced Chiral Order Parameter from the 1s π- State in 205Pb NUCLEAR STRUCTURE 205Pb; analyzed deeply bound pionic state binding energy, width; deduced isovector potential parameter.
doi: 10.1016/S0370-2693(02)02864-2
2002HO15 Phys.Rev.Lett. 89, 093401 (2002) M.Hori, J.Eades, R.S.Hayano, T.Ishikawa, J.Sakaguchi, T.Tasaki, E.Widmann, H.Yamaguchi, H.A.Torii, B.Juhasz, D.Horvath, T.Yamazaki Primary Populations of Metastable Antiprotonic 4He and 3He Atoms ATOMIC PHYSICS 3,4He(p-bar, X), E=low; measured annihilation time spectra, population of antiprotonic atoms metastable states. Laser spectroscopy. NUCLEAR REACTIONS 3,4He(p-bar, X), E=low; measured annihilation time spectra, population of antiprotonic atoms metastable states. Laser spectroscopy.
doi: 10.1103/PhysRevLett.89.093401
2002JU03 Eur.Phys.J. D 18, 261 (2002) B.Juhasz, J.Eades, R.S.Hayano, M.Hori, D.Horvath, T.Ishikawa, J.Sakaguchi, H.A.Torii, E.Widmann, H.Yamaguchi, T.Yamazaki Quenching of Metastable Antiprotonic Helium Atoms in Collisions with Deuterium Molecules ATOMIC PHYSICS He; measured decay rates of antiprotonic helium, quenching via collisions with deuterium molecules.
doi: 10.1007/s10053-002-8829-9
2002WI16 Phys.Rev.Lett. 89, 243402 (2002) E.Widmann, J.Eades, T.Ishikawa, J.Sakaguchi, T.Tasaki, H.Yamaguchi, R.S.Hayano, M.Hori, H.A.Torii, B.Juhasz, D.Horvath, T.Yamazaki Hyperfine Structure of Antiprotonic Helium Revealed by a Laser-Microwave-Laser Resonance Method ATOMIC PHYSICS He; measured hfs in antiprotonic helium. Laser-microwave-laser resonance method.
doi: 10.1103/PhysRevLett.89.243402
2002YA11 Phys.Rep. 366, 183 (2002) T.Yamazaki, N.Morita, R.S.Hayano, E.Widmann, J.Eades Antiprotonic Helium
doi: 10.1016/S0370-1573(01)00082-5
2001AU08 Nucl.Phys. A691, 278c (2001) M.Augsburger, G.Beer, S.Bianco, A.M.Bragadireanu, M.Bregant, W.H.Breunlich, M.Cargnelli, D.Chatellard, C.Curceanu Petrascu, J.-P.Egger, F.L.Fabbri, B.Gartner, C.Guaraldo, R.S.Hayano, M.Iliescu, T.Ishiwatari, T.M.Ito, M.Iwasaki, R.King, P.Knowles, T.Koike, B.Lauss, V.Lucherini, J.Marton, E.Milotti, F.Mulhauser, S.N.Nakamura, T.Ponta, A.C.Sanderson, L.A.Schaller, L.Schellenberg, H.Schneuwly, R.Seki, D.Tomono, T.Yoneyama, E.Zavattini, J.Zmeskal, on behalf of the DEAR Collaboration The DEAR Experiment on DAΦNE
doi: 10.1016/S0375-9474(01)01044-2
2001HA04 Nucl.Phys. A680, 125c (2001) Experimental Studies of Deeply Bound Meson-Nucleus States NUCLEAR REACTIONS 206,208Pb(d, 3He), E=600 MeV; measured excitation energy spectra. 205,207Pb deduced deeply bound pionic states, effective pion mass. Fragment separator.
doi: 10.1016/S0375-9474(00)00401-2
2001HA24 Nucl.Phys. A684, 658c (2001) High-Precision Laser Spectroscopy of Antiprotonic Helium Atoms ATOMIC PHYSICS He; measured levels in antiprotonic helium. Laser spectroscopy.
doi: 10.1016/S0375-9474(01)00515-2
2001HA58 Nucl.Phys. A691, 367c (2001) Do η-Mesic Nuclei Exist ?
doi: 10.1016/S0375-9474(01)01058-2
2001KE04 Eur.Phys.J. D 13, 305 (2001) B.Ketzer, T.von Egidy, F.J.Hartmann, C.Maierl, R.Pohl, J.Eades, E.Widmann, T.Yamazaki, M.Kumakura, N.Morita, R.S.Hayano, M.Hori, T.Ishikawa, H.A.Torii, I.Sugai, D.Horvath Collisional Quenching of Metastable States of Antiprotonic Helium by Hydrogen and Deuterium Molecules NUCLEAR REACTIONS He(p-bar, X), E at rest; measured annihilation rates in antiprotonic helium, quenching due to molecular collisions. ATOMIC PHYSICS He(p-bar, X), E at rest; measured annihilation rates in antiprotonic helium, quenching due to molecular collisions.
doi: 10.1007/s100530170246
2000GI05 Nucl.Phys. A663-664, 206c (2000) A.Gillitzer, H.Gilg, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Munch, G.Munzenberg, W.Schott, K.Suzuki, D.Tomono, H.Weick, T.Yamazaki, T.Yoneyama, and the GSI-S160 Collaboration Observation of Well-Resolved 1s and 2p π- States in Pb by High Resolution (d, 3He) Spectroscopy NUCLEAR REACTIONS 206,208Pb(d, 3He), E=300 MeV/nucleon; measured excitation energy spectrum. 205,207Pb deduced deeply bound pionic states. Fragment separator.
doi: 10.1016/S0375-9474(99)00589-8
2000GI14 Phys.Rev. C62, 025201 (2000) H.Gilg, A.Gillitzer, M.Knulle, M.Munch, W.Schott, P.Kienle, K.Itahashi, K.Oyama, R.S.Hayano, H.Geissel, N.Iwasa, G.Munzenberg, T.Yamazaki Deeply Bound π- States in 207Pb Formed in the 208Pb(d, 3He) Reaction. I. Experimental Method and Results NUCLEAR REACTIONS 208Pb(d, 3He), E=604.3 MeV; measured particle momenta, σ(E). 207Pb deduced deeply bound pionic state. Fragment separator. Comparison with model prediction.
doi: 10.1103/PhysRevC.62.025201
2000HA24 Nucl.Phys. A663-664, 955c (2000) R.S.Hayano, J.Eades, T.von Egidy, F.J.Hartmann, M.Hori, D.Horvath, T.Ishikawa, B.Ketzer, M.Kumakura, C.Maierl, N.Morita, R.Pohl, I.Sugai, H.A.Torii, E.Widmann, T.Yamazaki, for the CERN-PS205 and ASACUSA Collaboration Laser Spectroscopy of Antiprotonic Helium and Stringent Constraint on the Antiproton Charge and Mass ATOMIC PHYSICS 4He(p-bar, X), E at rest; measured antiprotonic helium energy levels. Laser spectroscopy.
doi: 10.1016/S0375-9474(99)00806-4
2000IT05 Phys.Rev. C62, 025202 (2000) K.Itahashi, K.Oyama, R.S.Hayano, H.Gilg, A.Gillitzer, M.Knulle, M.Munch, W.Schott, P.Kienle, H.Geissel, N.Iwasa, G.Munzenberg, S.Hirenzaki, H.Toki, T.Yamazaki Deeply Bound π- States in 207Pb Formed in the 208Pb(d, 3He) Reaction. II. Deduced Binding Energies and Widths and the Pion-Nucleus Interaction NUCLEAR REACTIONS 208Pb(d, 3He), E=604.3 MeV; analyzed excitation energy spectrum. 207Pb deduced bound pionic state binding energy, width, effective pion mass.
doi: 10.1103/PhysRevC.62.025202
1999BB09 Phys.Rev.Lett. 83, 5238 (1999) S.Bart, R.E.Chrien, W.A.Franklin, T.Fukuda, R.S.Hayano, K.Hicks, E.V.Hungerford, R.Michael, T.Miyachi, T.Nagae, J.Nakano, W.Naing, K.Omata, R.Sawafta, Y.Shimizu, L.Tang, S.W.Wissink Σ Hyperons in the Nucleus NUCLEAR REACTIONS 6Li, 9Be(K-, π-), (K-, π+), E at 600 MeV/c; measured pion spectra. 4He(K-, π-), (K-, π+), E at 600 MeV/c; analyzed pion spectra. 4He, 6Li, 9Be deduced no narrow continuum Σ hyperon states. Isospin dependence of Σ-nucleus potential discussed.
doi: 10.1103/PhysRevLett.83.5238
1999HA42 Nucl.Phys. A655, 318c (1999) Laser Spectroscopy of Protonium
doi: 10.1016/S0375-9474(99)00220-1
1999HA43 Nucl.Phys. A655, 369c (1999) Japan Hadron Facility
doi: 10.1016/S0375-9474(99)00226-2
1999HA49 Eur.Phys.J. A 6, 99 (1999) R.S.Hayano, S.Hirenzaki, A.Gillitzer Formation of η/ω-Mesic Nuclei using the Recoilless (d, 3He) Reaction NUCLEAR REACTIONS 7Li, 12C, 40Ca(d, 3He), E < 10 GeV; calculated η meson production σ, η-, ω-mesic nuclei formation related features. Recoilless reaction.
doi: 10.1007/s100500050322
1999NA46 Hyperfine Interactions 118, 45 (1999) S.N.Nakamura, K.Bartlett, G.A.Beer, G.R.Gill, R.S.Hayano, T.M.Ito, M.Iwasaki, L.Lee, G.Mason, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, Y.Yamashita, S.Yen Observation of kaonic hydrogen atom X-ray NUCLEAR REACTIONS 1H(K-, X), E at rest; measured kaonic hydrogen X-ray spectra; deduced strong-interaction energy shift, width. ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E at rest; measured kaonic hydrogen X-ray spectra; deduced strong-interaction energy shift, width.
doi: 10.1023/A:1012672100283
1999PE25 Hyperfine Interactions 118, 53 (1999) C.Petrascu, S.Bianco, A.M.Bragadireanu, F.L.Fabbri, C.Guaraldo, M.Iliescu, T.M.Ito, V.Lucherini, M.Bregant, E.Milotti, A.Vacchi, E.Zavattini, M.Augsburger, D.Chatellard, P.Knowles, F.Mulhauser, L.A.Schaller, L.Schellenberg, H.Schneuwly, J.-P.Egger, D.Varidel, W.H.Breunlich, M.Cargnelli, B.Gartner, R.King, B.Lauss, J.Marton, J.Zmeskal, T.Ponta, S.N.Nakamura, T.Koike, R.S.Hayano, M.Hori, T.Ishikawa, T.Ishiwatari, M.Iwasaki, Y.Akaishi, G.Beer, A.C.Sanderson, R.Seki Disentangling the K-complex of kaonic hydrogen with DEAR
doi: 10.1023/A:1012624217122
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
1998BI09 Acta Phys.Pol. B29, 2269 (1998) S.Bianco, A.M.Bragadireanu, F.L.Fabbri, C.Guaraldo, M.Iliescu, T.M.Ito, V.Lucherini, C.Petrascu, M.Bregant, E.Milotti, A.Vacchi, E.Zavattini, M.Augsburger, D.Chatellard, P.Knowles, F.Mulhauser, L.A.Schaller, L.Schellenberg, H.Schneuwly, J.-P.Egger, D.Varidel, W.H.Breunlich, M.Cargnelli, B.Gartner, R.King, B.Lauss, J.Marton, J.Zmeskal, T.Ponta, S.N.Nakamura, T.Koike, R.S.Hayano, M.Hori, T.Ishikawa, T.Ishiwatari, M.Iwasaki, Y.Akaishi, G.Beer, A.C.Sanderson, R.Seki Kaon-Nucleon Interaction Studied by Kaonic X Rays with DEAR at DAΦNE
1998GI22 Acta Phys.Pol. B29, 3035 (1998) A.Gillitzer, H.Geissel, H.Gilg, R.S.Hayano, K.Itahashi, N.Iwasa, P.Kienle, M.Knulle, M.Munch, G.Munzenberg, K.Oyama, W.Schott, T.Yamazaki Discovery of Deeply Bound π- States in the 208Pb(d, 3He) Reaction NUCLEAR REACTIONS 208Pb(d, 3He), E=600 MeV; measured particle spectra. 207Pb deduced deeply bound pionic states energies, pion mass shift.
1998HA50 Phys.Rev. A58, 3604 (1998) F.J.Hartmann, B.Ketzer, C.Maierl, R.Pohl, T.von Egidy, R.S.Hayano, M.Hori, T.Ishikawa, H.Tamura, H.A.Torii, M.Kumakura, N.Morita, I.Sugai, D.Horvath, J.Eades, E.Widmann, T.Yamazaki Laser Spectroscopy of Metastable States in the ν = 2 Cascade of Antiprotonic 3He NUCLEAR REACTIONS 3He(p-bar, X), E at rest; measured pion spectra, annihilation times; deduced target pressure dependence of antiprotonic 3He metastable states lifetimes. Resonant laser deexcitation. ATOMIC PHYSICS 3He(p-bar, X), E at rest; measured pion spectra, annihilation times; deduced target pressure dependence of antiprotonic 3He metastable states lifetimes. Resonant laser deexcitation.
doi: 10.1103/PhysRevA.58.3604
1998IT03 Phys.Rev. C58, 2366 (1998) T.M.Ito, R.S.Hayano, S.N.Nakamura, T.P.Terada, M.Iwasaki, D.R.Gill, L.Lee, A.Olin, M.Salomon, S.Yen, K.Bartlett, G.A.Beer, G.Mason, G.Trayling, H.Outa, T.Taniguchi, Y.Yamashita, R.Seki Observation of Kaonic Hydrogen Atom X Rays ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectra, pion spectra following K-p absorption; deduced kaonic hydrogen 1s state strong interaction shift, width.
doi: 10.1103/PhysRevC.58.2366
1998IW03 Nucl.Phys. A639, 501c (1998) M.Iwasaki, K.Bartlett, G.A.Beer, D.R.Gill, R.S.Hayano, T.M.Ito, L.Lee, G.Mason, S.N.Nakamura, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, Y.Yamashita, S.Yen Discovery of the Repulsive Energy Shift of the Kaonic Hydrogen 1s State ATOMIC PHYSICS, Mesic-atoms 1H(K-, X), E at rest; measured X-ray spectrum; deduced energy shift.
doi: 10.1016/S0375-9474(98)00318-2
1998NA03 Phys.Rev.Lett. 80, 1605 (1998) T.Nagae, T.Miyachi, T.Fukuda, H.Outa, T.Tamagawa, J.Nakano, R.S.Hayano, H.Tamura, Y.Shimizu, K.Kubota, R.E.Chrien, R.Sutter, A.Rusek, W.J.Briscoe, R.Sawafta, E.V.Hungerford, A.Empl, W.Naing, C.Neerman, K.Johnston, M.Planinic Observation of a (Σ)4He Bound State in the 4He(K-, π-) Reaction at 600 MeV/c NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), E at 600 MeV/c; measured pion spectra. 4He deduced bound hypernuclear state E, Γ.
doi: 10.1103/PhysRevLett.80.1605
1998OU01 Nucl.Phys. A639, 251c (1998) H.Outa, M.Aoki, R.S.Hayano, T.Ishikawa, M.Iwasaki, A.Sakaguchi, E.Takada, H.Tamura, T.Yamazaki Mesonic and Non-Mesonic Decay Widths of Λ4H and Λ4He NUCLEAR REACTIONS 4He(K-, π-), E at rest; measured pion spectra. 4H, 4He deduced hypernuclei mesonic, non-mesonic decay widths.
doi: 10.1016/S0375-9474(98)00281-4
1998YA07 Phys.Lett. 418B, 246 (1998) T.Yamazaki, R.S.Hayano, K.Itahashi, K.Oyama, A.Gillitzer, H.Gilg, M.Knulle, M.Munch, P.Kienle, W.Schott, W.Weise, H.Geissel, N.Iwasa, G.Munzenberg, S.Hirenzaki, H.Toki Effective Pion Mass in the Nuclear Medium Deduced from Deeply Bound Pionic States in 207Pb NUCLEAR REACTIONS 208Pb(d, 3He), E=600 MeV; measured Q-value spectrum. 207Pb deduced negative pion binding energies, effective mass. Deeply bound pionic states.
doi: 10.1016/S0370-2693(97)01408-1
1997AH03 Phys.Rev. C55, 2604 (1997) L.Ahle, Y.Akiba, D.Beavis, P.Beery, H.C.Britt, B.Budick, C.Chasman, Z.Chen, C.Y.Chi, Y.Y.Chu, V.Cianciolo, B.A.Cole, J.B.Costales, H.J.Crawford, J.B.Cumming, R.Debbe, J.Engelage, S.Y.Fung, M.Gonin, S.Gushue, H.Hamagaki, R.S.Hayano, S.Hayashi, S.Homma, H.Kaneko, J.Kang, S.Kaufman, W.L.Kehoe, K.Kurita, R.J.Ledoux, M.J.LeVine, Y.Miake, D.P.Morrison, R.J.Morse, B.Moskowitz, S.Nagamiya, M.N.Namboodiri, T.Nayak, J.Olness, C.G.Parsons, L.P.Remsberg, D.Roehrich, P.Rothschild, H.Sakurai, T.C.Sangster, R.Seto, K.Shigaki, R.Soltz, P.Stankus, S.G.Steadman, G.S.F.Stephans, T.Sung, Y.Tanaka, M.J.Tannenbaum, J.Thomas, S.Tonse, S.Ueno, J.H.van Dijk, F.Videbaek, O.Vossnack, V.Vutsadakis, F.Q.Wang, Y.Wang, H.E.Wegner, H.E.Wegner, D.S.Woodruff, Y.D.Wu, K.Yagi, X.Yang, D.Zachary, W.A.Zajc, and the E802 Collaboration Baryon Emission at Target Rapidities in Si + Al, Cu, Au Collisions at 14.6A GeV/c and Au + Au Collisions at 11.7A GeV/c NUCLEAR REACTIONS 27Al, Cu, 197Au(28Si, X), E at 14.6 GeV/c/nucleon; 197Au(197Au, X), E at 11.7 GeV/c/nucleon; measured light charged particle momentum density distribution; deduced proton distributions at minimum bias target rapidities, pseudorapidity distributions shapes. Model comparison.
doi: 10.1103/PhysRevC.55.2604
1997AK04 Phys.Rev. C56, 1544 (1997) Y.Akiba, D.Beavis, P.Beery, H.C.Britt, B.Budick, C.Chasman, Z.Chen, C.Y.Chi, Y.Y.Chu, V.Cianciolo, B.A.Cole, J.B.Costales, H.J.Crawford, J.B.Cumming, R.Debbe, J.Engelage, S.Y.Fung, M.Gonin, S.Gushue, H.Hamagaki, O.Hansen, R.S.Hayano, S.Hayashi, S.Homma, H.Kaneko, J.Kang, S.Kaufman, W.L.Kehoe, K.Kurita, R.J.Ledoux, M.J.Levine, Y.Miake, D.P.Morrison, R.J.Morse, B.Moskowitz, S.Nagamiya, M.N.Namboodiri, T.K.Nayak, J.Olness, C.G.Parsons, L.P.Remsberg, D.Roehrich, P.Rothschild, H.Sakurai, T.C.Sangster, R.Seto, R.Soltz, P.Stankus, S.G.Steadman, G.S.F.Stephans, T.Sung, Y.Tanaka, M.J.Tannenbaum, J.Thomas, S.Tonse, J.H.Van Dijk, F.Videbaek, O.Vossnack, V.Vutsadakis, F.Q.Wang, Y.Wang, H.E.Wegner, D.S.Woodruff, Y.D.Wu, X.Yang, D.Zachary, W.A.Zajc Two-Particle Rapidity Correlations from the Bose-Einstein Effect in Central 28Si + Au Collisions at 14.6A GeV/c and Intermittency NUCLEAR REACTIONS 197Au(28Si, X), E at 14.6 GeV/c/nucleon; measured two-pion correlation functions vs Q(inv), rapidity, pseudorapidity; deduced correlation length, Bose-Einstein effect role.
doi: 10.1103/PhysRevC.56.1544
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
1997IW01 Phys.Rev.Lett. 78, 3067 (1997) M.Iwasaki, R.S.Hayano, T.M.Ito, S.N.Nakamura, T.P.Terada, D.R.Gill, L.Lee, A.Olin, M.Salomon, S.Yen, K.Bartlett, G.A.Beer, G.Mason, G.Trayling, H.Outa, T.Taniguchi, Y.Yamashita, R.Seki Observation of Kaonic Hydrogen K(α) X Rays NUCLEAR REACTIONS 1H(K-, X), E at rest; measured kaonic hydrogen X-rays; deduced (K-bar N) strong interaction energy shift, width. ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E at rest; measured kaonic hydrogen X-rays; deduced (K-bar N) strong interaction energy shift, width.
doi: 10.1103/PhysRevLett.78.3067
1997TE01 Phys.Rev. C55, 73 (1997) Cascade Calculation of Hadronic Hydrogen Atoms ATOMIC PHYSICS 1H(p-bar, X), (π, X), E at rest; calculated antiprotonic, pionic, kaonic atom X-ray yields vs density. Cascade calculations. NUCLEAR REACTIONS 1H(p-bar, X), (π, X), E at rest; calculated antiprotonic, pionic, kaonic atom X-ray yields vs density. Cascade calculations.
doi: 10.1103/PhysRevC.55.73
1997WI10 Phys.Lett. 404B, 15 (1997) E.Widmann, J.Eades, T.Yamazaki, H.A.Torii, R.S.Hayano, M.Hori, T.Ishikawa, M.Kumakura, N.Morita, I.Sugai, F.J.Hartmann, T.von Egidy, B.Ketzer, C.Maierl, R.Pohl, D.Horvath Hyperfine Structure of the Metastable (p-bar)He+ Atomcule Revealed by a Laser-Induced (n, l) = (37, 35) → (38, 34) Transition ATOMIC PHYSICS He(p-bar, X), E=low; analyzed data; deduced metastable (p-bar)He+ metastable atomcule hfs.
doi: 10.1016/S0370-2693(97)00538-8
1996AK04 Phys.Rev.Lett. 76, 2021 (1996) Y.Akiba, D.Beavis, P.Beery, H.C.Britt, B.Budick, C.Chasman, Z.Chen, C.Y.Chi, Y.Y.Chu, V.Cianciolo, B.A.Cole, J.B.Costales, H.J.Crawford, J.B.Cumming, R.Debbe, J.Engelage, S.Y.Fung, M.Gonin, S.Gushue, H.Hamagaki, O.Hansen, R.S.Hayano, S.Hayashi, S.Homma, H.Kaneko, J.Kang, S.Kaufman, W.L.Kehoe, K.Kurita, R.J.Ledoux, M.J.Levine, Y.Miake, D.P.Morrison, R.J.Morse, B.Moskowitz, S.Nagamiya, M.N.Namboodiri, T.K.Nayak, J.Olness, C.G.Parsons, L.P.Remsberg, D.Roehrich, P.Rothschild, H.Sakurai, T.C.Sangster, R.Seto, R.Soltz, P.Stankus, S.G.Steadman, G.S.F.Stephans, T.Sung, Y.Tanaka, M.J.Tannenbaum, J.Thomas, S.Tonse, J.H.Van Dijk, F.Videbaek, O.Vossnack, V.Vutsadakis, F.Q.Wang, Y.Wang, H.E.Wegner, D.S.Woodruff, Y.D.Wu, X.Yang, D.Zachary, W.A.Zajc, and the E-802 Collaboration Production of φ Mesons in Central 28Si + 197Au Collisions at 14.6A GeV/c NUCLEAR REACTIONS 197Au(28Si, X), E at 14.6 GeV/c/nucleon; measured invariant φ yield; deduced invariant transverse mass distribution width.
doi: 10.1103/PhysRevLett.76.2021
1996KE17 Phys.Rev. A53, 2108 (1996) B.Ketzer, F.J.Hartmann, H.Daniel, T.von Egidy, A.Niestroj, S.Schmid, W.Schmid, T.Yamazaki, I.Sugai, K.Nakayoshi, R.S.Hayano, F.E.Maas, H.A.Torii, T.Ishikawa, H.Tamura, N.Morita, D.Horvath, J.Eades, E.Widmann Isotope Effects on Delayed Annihilation Time Spectra of Antiprotonic Helium Atoms in a Low-Temperature Gas NUCLEAR REACTIONS 3,4He(p-bar, X), E at 200 MeV/c; measured delayed annihilation time spectra; deduced overall trapping times ratio. Beam passed through thick Be window before entering low-temperature gas targets. ATOMIC PHYSICS 3,4He(p-bar, X), E at 200 MeV/c; measured delayed annihilation time spectra; deduced overall trapping times ratio. Beam passed through thick Be window before entering low-temperature gas targets.
doi: 10.1103/PhysRevA.53.2108
1996KU13 Nucl.Phys. A602, 327 (1996) K.Kubota, R.S.Hayano, T.Ishikawa, M.Iwasaki, H.Outa, E.Takada, H.Tamura, M.Aoki, T.Yamazaki, A.Sakaguchi Search for Neutron-Rich Λ Hypernuclei in the (K-(stopped), π+) Reaction NUCLEAR REACTIONS 9Be, 12C, 16O(K-, π+), E at rest; measured pion spectra; deduced hypernuclei formation probability upper limits.
doi: 10.1016/0375-9474(96)00083-8
1996YA11 Z.Phys. A355, 219 (1996) T.Yamazaki, R.S.Hayano, K.Itahashi, K.Oyama, A.Gillitzer, H.Gilg, M.Knulle, M.Munch, P.Kienle, W.Schott, H.Geissel, N.Iwasa, G.Munzenberg Discovery of Deeply Bound π- States in the 208Pb(d, 3He) Reaction NUCLEAR REACTIONS, ICPND 208Pb(d, 3He), E=300 MeV/nucleon; measured yield, σ(θ, E(3He)); deduced deeply bound π-x207Pb states, configurations.
doi: 10.1007/s002180050101
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
1995IW01 Nucl.Phys. A585, 239c (1995) M.Iwasaki, K.Bartlett, G.A.Beer, D.R.Gill, R.S.Hayano, T.M.Ito, L.Lee, F.E.Maas, G.Mason, S.N.Nakamura, A.Olin, H.Outa, M.Salomon, R.Seki, T.Taniguchi, T.P.Terada, G.Trayling, E.Widmann, Y.Yamashita, S.Yen, Y.Yonezawa Kaonic Hydrogen X-Ray Experiment at KEK ATOMIC PHYSICS, Mesic-Atoms 1H(K-, X), E not given; measured kaonic atom X-ray energy shift, width.
doi: 10.1016/0375-9474(94)00572-5
1995OU02 Nucl.Phys. A585, 109c (1995) H.Outa, M.Aoki, R.S.Hayano, T.Ishikawa, M.Iwasaki, A.Sakaguchi, E.Takada, H.Tamura, T.Yamazaki Meson Weak Decay of 4H(Lambda) and 4He(Lambda) NUCLEAR REACTIONS 4He(K-, π-X), E at rest; measured inclusive, γ-tagging spectra; deduced 4H(lambda) hypernucleus T1/2, partial mesonic decay width, 4He(lambda) π0 branching ratio, partial mesonic decay width. Model comparison.
doi: 10.1016/0375-9474(94)00552-X
1994HA44 Phys.Rev.Lett. 73, 1485 (1994); Errata Phys.Rev.Lett. 73, 3181 (1994) R.S.Hayano, F.E.Maas, H.A.Torii, N.Morita, M.Kumakura, T.Yamazaki, H.Masuda, I.Sugai, F.J.Hartmann, H.Daniel, T.von Egidy, B.Ketzer, W.Muller, W.Schmid, D.Horvath, J.Eades, E.Widmann Laser Studies of the Decay Chain of Metastable Antiprotonic Helium Atoms ATOMIC PHYSICS He(p-bar, X), E at rest; measured upper state population time dependence; deduced exotic atom states initial population, T1/2. Laser studies.
doi: 10.1103/PhysRevLett.73.1485
1994OU01 Prog.Theor.Phys.(Kyoto), Suppl. 117, 177 (1994) H.Outa, T.Yamazaki, M.Iwasaki, R.S.Hayano Formation and Decay of Σ Hypernuclei in (Stopped K-, π±) Reactions NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), 12C(K-, π+), E at rest; analyzed hypernuclei production; deduced A=4 Σ hypernuclear bound state, Σ-nucleus interaction spin/isospin dependence.
doi: 10.1143/PTPS.117.177
1994TA34 Prog.Theor.Phys.(Kyoto), Suppl. 117, 1 (1994) H.Tamura, R.S.Hayano, H.Outa, T.Yamazaki Study of Λ-Hypernuclei with Stopped K- Reaction NUCLEAR REACTIONS 4He, 7Li, 9Be, 12C, 16O(K-, π-), E at rest; measured π- momentum spectra, hypernuclei formation probabilities; deduced π0 branching ratios, mesonic decays of hypernuclei.
doi: 10.1143/PTPS.117.1
1993AB04 Phys.Rev. C47, R1351 (1993) T.Abbott, Y.Akiba, D.Beavis, M.A.Bloomer, P.D.Bond, C.Chasman, Z.Chen, Y.Y.Chu, B.A.Cole, J.B.Costales, H.J.Crawford, J.B.Cumming, R.Debbe, J.Engelage, S.-Y.Fung, S.Gushue, H.Hamagaki, O.Hansen, R.Hayano, S.Hayashi, S.Homma, H.Z.Huang, Y.Ikeda, I.Juricic, J.Kang, S.Katcoff, S.Kaufman, K.Kimura, K.Kitamura, K.Kurita, R.J.Ledoux, M.J.Le Vine, Y.Miake, R.J.Morse, B.Moskowitz, S.Nagamiya, J.Olness, C.G.Parsons, L.P.Remsberg, D.Roehrich, H.Sakurai, M.Sarabura, P.Stankus, S.G.Steadman, G.S.F.Stephans, T.Sugitate, M.J.Tannenbaum, J.H.Van Dijk, F.Videbaek, M.Vient, P.Vincent, V.Vutsadakis, H.E.Wegner, D.S.Woodruff, Y.D.Wu, W.A.Zajc, and the E-802 Collaboration Antiproton Production in p + A Collisions at 14.6 GeV/c NUCLEAR REACTIONS 9Be, 27Al, Cu(p, p-bar), E at 14.6 GeV/c; measured p-bar production σ, multiplicity.
doi: 10.1103/PhysRevC.47.R1351
1992AB07 Phys.Rev. D45, 3906 (1992) T.Abbott, Y.Akiba, D.Beavis, M.A.Bloomer, P.D.Bond, C.Chasman, Z.Chen, Y.Y.Chu, B.A.Cole, J.B.Costales, H.J.Crawford, J.B.Cumming, R.Debbe, J.Engelage, S.Y.Fung, S.Gushue, H.Hamagaki, O.Hansen, R.S.Hayano, S.Hayashi, S.Homma, H.Z.Huang, Y.Ikeda, I.Juricic, J.Kang, S.Katcoff, S.Kaufman, K.Kimura, K.Kitamura, K.Kurita, R.J.Ledoux, M.J.Levine, Y.Miake, R.J.Morse, B.Moskowitz, S.Nagamiya, J.Olness, C.G.Parsons, L.P.Remsberg, H.Sakurai, M.Sarabura, P.Stankus, S.G.Steadman, G.S.F.Stephans, T.Sugitate, M.J.Tannenbaum, J.H.van Dijk, F.Videbaek, M.Vient, P.Vincent, V.Vutsadakis, H.E.Wegner, D.S.Woodruff, Y.D.Wu, W.Zajc, and the E-802 Collaboration Measurement of Particle Production in Proton-Induced Reactions at 14.6 GeV/c NUCLEAR REACTIONS 9Be, 27Al, Cu, 197Au(p, xp), (p, xπ+), (p, xπ-), (p, xK+), (p, xK-), (p, xp), E at 14.6 GeV/c; measured invariant particle production σ; deduced particle production mechanism.
doi: 10.1103/PhysRevD.45.3906
1992HA39 Nucl.Phys. A547, 151c (1992) 4He(K-, π±) Experiments at KEK and BNL NUCLEAR REACTIONS 3,4He(K-, π-), (K-, π+), E at 600 MeV/c; measured spectra; deduced structure in 4He(K-, π-) spectrum.
doi: 10.1016/0375-9474(92)90721-U
1992OU02 Nucl.Phys. A547, 109c (1992) H.Outa, M.Aoki, R.S.Hayano, T.Ishikawa, M.Iwasaki, A.Sakaguchi, E.Takada, H.Tamura, T.Yamazaki Lifetime Measurement of 4H(Lambda) Hypernucleus NUCLEAR REACTIONS 4He(K-, π-), E at rest; measured pion momenta, kaon injection-pion emission time difference spectra; deduced 4H(lambda) T1/2.
doi: 10.1016/0375-9474(92)90716-W
1991HA12 Nucl.Phys. A527, 477c (1991) Light Σ Hypernuclei NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), E at rest; measured pion spectra; deduced evidence for 4He(Σ).
doi: 10.1016/0375-9474(91)90142-S
1991IW01 Phys.Rev. C43, 1099 (1991) M.Iwasaki, A.Trudel, A.Celler, O.Hausser, R.S.Hayano, R.Helmer, R.Henderson, S.Hirenzaki, K.P.Jackson, Y.Kuno, N.Matsuoka, J.Mildenberger, C.A.Miller, H.Outa, H.Sakai, H.Toki, M.Vetterli, Y.Watanabe, T.Yamazaki, S.Yen Search for Deeply Bound Pionic States in 208Pb using the 208Pb(n, p) Reaction at T(n) = 418 MeV NUCLEAR REACTIONS 208Pb(n, p), E=418 MeV; measured σ(θp, Ep), σ(θ=0°). DWIA analysis.
doi: 10.1103/PhysRevC.43.1099
1991SA01 Phys.Rev. C43, 73 (1991) A.Sakaguchi, W.Bruckner, S.Paul, R.Schussler, B.Povh, H.Dobbeling, M.Aoki, H.Tamura, T.Yamazaki, R.S.Hayano, T.Ishikawa, M.Iwasaki, T.Motoki, H.Outa, E.Takada, K.H.Tanaka π0 Decay Process of 12C(Lambda) and 11B(Lambda) Hypernuclei NUCLEAR REACTIONS 12C(K-, π-), (K-, π0π-), E at rest; measured π- momentum spectra, (π-π0)-coin; deduced branching ratios in hypernuclear decay.
doi: 10.1103/PhysRevC.43.73
1991TO06 Nucl.Phys. A527, 455c (1991) H.Toki, S.Hirenzaki, T.Yamazaki, R.S.Hayano Structure and Formation of Deeply Bound Pionic Atoms NUCLEAR REACTIONS 208Pb(π-, π-), E not given; calculated potential, deeply bound states pion density. Optical model.
doi: 10.1016/0375-9474(91)90138-V
1991YA11 Nucl.Instrum.Methods Phys.Res. A305, 406 (1991) T.Yamazaki, R.S.Hayano, H.Toki d(HI, 3He) Reaction Spectroscopy for the Formation of Pionic Bound States NUCLEAR REACTIONS 208Pb(d, 3He), E=350, 600 MeV/nucleon; calculated σ(θ) vs pion binding energy in 207Pb. 2H(208Pb, 3He), E=350, 600 MeV/nucleon; calculated recoil momentum vs recoil angle. Inverse systematics, high resolution spectroscopy.
doi: 10.1016/0168-9002(91)90558-8
1990HA11 Nucl.Phys. A508, 99c (1990) Production and Structure of Light Σ Hypernuclei NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), E at rest; measured pion spectra; deduced hypernuclear production features.
doi: 10.1016/0375-9474(90)90466-Y
1990YA10 Nucl.Instrum.Methods Phys.Res. A292, 619 (1990) T.Yamazaki, R.S.Hayano, H.Toki, P.Kienle Pion-Transfer Reaction Spectroscopy of Inverse Kinematics for Studies of Deeply Bound Pionic Atoms in Heavy Nuclei NUCLEAR REACTIONS 208Pb(n, p), E=400 MeV; calculated σ(θ) vs pion binding energy in 208Pb. 3H(208Pb, 208Tl), E=high; calculated σ(θ) vs recoil momentum spectra. Pion transfer spectroscopy.
doi: 10.1016/0168-9002(90)90180-E
1989HA30 Nuovo Cim. 102A, 437 (1989) R.S.Hayano, T.Ishikawa, M.Iwasaki, H.Outa, E.Takada, H.Tamura, A.Sakaguchi, M.Aoki, T.Yamazaki Σ Hypernuclear Bound State Observed in Stopped K- Reaction on 4He NUCLEAR REACTIONS 4He(K-, π-), (K-, π+), E at rest; measured pion momentum spectra; deduced Σ hypernuclear bound state.
doi: 10.1007/BF02734862
1989HA39 Phys.Lett. 231B, 355 (1989) R.S.Hayano, T.Ishikawa, M.Iwasaki, H.Outa, E.Takada, H.Tamura, A.Sakaguchi, M.Aoki, T.Yamazaki Evidence for a Bound State of the 4He(Σ) Hypernucleus NUCLEAR REACTIONS 4He(K-, π-), E at rest; measured pion momentum spectrum; deduced hypernucleus bound state evidence.
doi: 10.1016/0370-2693(89)90675-8
1989SA33 Nuovo Cim. 102A, 511 (1989) A.Sakaguchi, W.Bruckner, S.Paul, R.Schussler, B.Povh, H.Dobbeling, H.Tamura, T.Yamazaki, M.Aoki, R.S.Hayano, T.Ishikawa, M.Iwasaki, T.Motoki, H.Outa, E.Takada, K.-H.Tanaka A Measurement of the π0 Decay of 12C(Lambda) and 11B(Lambda) Hypernuclei NUCLEAR REACTIONS 12C(K-, π-), E at rest; measured pion momentum spectrum; deduced hypernucleus π0 decay branching ratio.
doi: 10.1007/BF02734870
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