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NSR database version of March 21, 2024.

Search: Author = R.Hayano

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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetJ2663.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2009HA43      Nucl.Phys. A827, 324c (2009)

R.S.Hayano, J-PARC E17 Collaboration

Kaonic helium atoms

doi: 10.1016/j.nuclphysa.2009.05.067
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2008HA25      Nucl.Phys. A805, 295c (2008)

R.S.Hayano

Experimental study of hadron properties in the nuclear medium

doi: 10.1016/j.nuclphysa.2008.02.286
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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2001HA04      Nucl.Phys. A680, 125c (2001)

R.S.Hayano

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
Citations: PlumX Metrics


2001HA24      Nucl.Phys. A684, 658c (2001)

R.S.Hayano

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
Citations: PlumX Metrics


2001HA58      Nucl.Phys. A691, 367c (2001)

R.S.Hayano

Do η-Mesic Nuclei Exist ?

doi: 10.1016/S0375-9474(01)01058-2
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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
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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
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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
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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
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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
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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
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1999HA42      Nucl.Phys. A655, 318c (1999)

R.S.Hayano

Laser Spectroscopy of Protonium

doi: 10.1016/S0375-9474(99)00220-1
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1999HA43      Nucl.Phys. A655, 369c (1999)

R.S.Hayano

Japan Hadron Facility

doi: 10.1016/S0375-9474(99)00226-2
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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
Citations: PlumX Metrics


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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1997TE01      Phys.Rev. C55, 73 (1997)

T.P.Terada, R.S.Hayano

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
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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
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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
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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
Citations: PlumX Metrics


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
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1992HA39      Nucl.Phys. A547, 151c (1992)

R.S.Hayano

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1991HA12      Nucl.Phys. A527, 477c (1991)

R.S.Hayano

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
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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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14168.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1990HA11      Nucl.Phys. A508, 99c (1990)

R.S.Hayano

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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