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NSR database version of April 11, 2024.

Search: Author = E.Widmann

Found 56 matches.

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2023SG01      Eur.Phys.J. A 59, 56 (2023)

F.Sgaramella, M.Tuchler, C.Amsler, M.Bazzi, D.Bosnar, M.Bragadireanu, M.Cargnelli, M.Carminati, A.Clozza, G.Deda, R.Del Grande, L.De Paolis, L.Fabbietti, C.Fiorini, I.Friscic C.Guaraldo, M.Iliescu, M.Iwasaki, A.Khreptak, S.Manti, J.Marton, M.Miliucci, P.Moskal, F.Napolitano, S.Niedzwiecki, H.Ohnishi, K.Piscicchia, Y.Sada, A.Scordo, H.Shi, M.Silarski, D.Sirghi, F.Sirghi, M.Skurzok, A.Spallone, K.Toho, O.Vazquez Doce, E.Widmann, C.Yoshida, J.Zmeskal, C.Curceanu

Measurements of high-n transitions in intermediate mass kaonic atoms by SIDDHARTA-2 at DOΦNE

ATOMIC PHYSICS C, O, N, Al; measured X-rays for the kaonic atoms transitions database; deduced high-n transitions. The SIDDHARTA-2 experiment installed at the DAΦNE collider of INFN-LNF.

doi: 10.1140/epja/s10050-023-00976-y
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


2018SK07      Acta Phys.Pol. B49, 705 (2018)

M.Skurzok, M.Cargnelli, C.Curceanu, R.Del Grande, L.Fabbietti, C.Guaraldo, J.Marton, P.Moskal, K.Piscicchia, A.Scordo, M.Silarski, D.L.Sirghi, I.Tucakovic, O.Vazquez Doce, S.Wycech, E.Widmann, J.Zmeskal

Search for Deeply Bound Kaonic Nuclear States in the AMADEUS Experiment

doi: 10.5506/aphyspolb.49.705
Citations: PlumX Metrics


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


2016GA21      Eur.Phys.J. A 52, 177 (2016)

P.Gasik, K.Piasecki, N.Herrmann, Y.Leifels, T.Matulewicz, A.Andronic, R.Averbeck, V.Barret, Z.Basrak, N.Bastid, M.L.Benabderrahmane, M.Berger, P.Buehler, M.Cargnelli, R.Caplar, P.Crochet, O.Czerwiakowa, I.Deppner, P.Dupieux, M.Dzelalija, L.Fabbietti, Z.Fodor, I.Gasparic, Y.Grishkin, O.N.Hartmann, K.D.Hildenbrand, B.Hong, T.I.Kang, J.Kecskemeti, Y.J.Kim, M.Kirejczyk, M.Kis, P.Koczon, R.Kotte, A.Lebedev, A.Le Fevre, J.L.Liu, X.Lopez, V.Manko, J.Marton, R.Munzer, M.Petrovici, F.Rami, A.Reischl, W.Reisdorf, M.S.Ryu, P.Schmidt, A.Schuttauf, Z.Seres, B.Sikora, K.S.Sim, V.Simion, K.Siwek-Wilczynska, V.Smolyankin, K.Suzuki, Z.Tyminski, P.Wagner, I.Weber, E.Widmann, K.Wisniewski, Z.G.Xiao, I.Yushmanov, Y.Zhang, A.Zhilin, V.Zinyuk, J.Zmeskal

Strange meson production in Al+Al collisions at 1.9 A GeV

doi: 10.1140/epja/i2016-16177-y
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


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


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


2010ZM01      Nucl.Phys. A835, 410c (2010)

J.Zmeskal, M.Bazzi, M.Bragadireanu, P.Buhler, M.Cargnelli, C.Curceanu, F.Ghio, C.Guaraldo, M.Iliescu, T.Ishiwatari, P.Kienle, P.Levi Sandri, J.Marton, P.Mullner, K.Suzuki, S.Okada, D.Pietreanu, M.Poli Lener, A.Rizzo, O.Vazquez Doce, A.Romero Vidal, A.Scordo, F.Sirghi, D.Sirghi, A.d'Ufizzi, E.Widmann, B.Wunschek

The AMADEUS experiment-precision measurements of low-energy antikaon nucleus/nucleon interactions

doi: 10.1016/j.nuclphysa.2010.01.231
Citations: PlumX Metrics


2009SU22      Nucl.Phys. A827, 312c (2009)

K.Suzuki, M.Berger, P.Buhler, L.Fabbietti, O.Hartmann, N.Herrmann, P.Kienle, M.Kis, Y.Leifels, J.Marton, R.Munzer, M.Schafhauser, E.Widmann, T.Yamazaki, J.Zmeskal, and the FOPI Collaboration

Search for the Kaonic Nuclear State, K-pp, in the exclusive pp → pΛK+ channel

doi: 10.1016/j.nuclphysa.2009.05.063
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


2007CU01      Eur.Phys.J. A 31, 537 (2007)

C.Curceanu, M.Bazzi, G.Beer, L.Bombelli, A.M.Bragadireanu, M.Cargnelli, M.Catitti, C.Fiorini, T.Frizzi, F.Ghio, B.Girolami, C.Guaraldo, M.Iliescu, T.Ishiwatari, P.Kienle, P.Lechner, P.Levi Sandri, A.Longoni, V.Lucherini, J.Marton, D.Pietreanu, T.Ponta, D.L.Sirghi, F.Sirghi, H.Soltau, L.Struder, E.Widmann, J.Zmeskal

Precision measurements of kaonic atoms at DAφNE and future perspectives

ATOMIC PHYSICS 1H, 2H(K-, X-ray); measured strong-interaction shift and width of the fundamental level. Discussed planned measurements of kaonic deuterium.

doi: 10.1140/epja/i2006-10197-2
Citations: PlumX Metrics


2007KL02      Phys.Rev. C 76, 014311 (2007)

B.Klos, A.Trzcinska, J.Jastrzebski, T.Czosnyka, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, F.J.Hartmann, B.Ketzer, P.Ring, R.Schmidt, T.von Egidy, R.Smolanczuk, S.Wycech, K.Gulda, W.Kurcewicz, E.Widmann, B.A.Brown

Neutron density distributions from antiprotonic 208Pb and 209Bi atoms

NUCLEAR REACTIONS 208Pb, 209Bi(p-bar, X-ray), E at 106 MeV/c; measured x-ray cascade from antiprotonic atoms. Deduced neutron densities and rms radii.

doi: 10.1103/PhysRevC.76.014311
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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2007ZM01      Nucl.Phys. A790, 667c (2007)

J.Zmeskal, M.Bazzi, G.Beer, L.Bombelli, A.M.Bragadirean, M.Cargnelli, M.Catitti, C.Curceanu, C.Fiorini, T.Frizzi, F.Ghio, B.Girolami, C.Guaraldo, M.Iliescu, T.Ishiwatari, P.Kienle, P.Lechner, P.Levi Sandri, V.Lucherini, A.Longoni, J.Marton, D.Pietreanu, T.Ponta, D.L.Sirghi, F.Sirghi, H.Soltau, L.Struder, E.Widmann

Experimental studies on kaonic atoms at DAΦNE

doi: 10.1016/j.nuclphysa.2007.03.012
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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
Citations: PlumX Metrics


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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2005WI08      Nucl.Phys. A752, 87c (2005)

E.Widmann

Testing CPT with antiprotonic helium and antihydrogen - the ASACUSA experiment at CERN-AD

doi: 10.1016/j.nuclphysa.2005.02.096
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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
Citations: PlumX Metrics


2004KL06      Phys.Rev. C 69, 044311 (2004)

B.Klos, S.Wycech, A.Trzcinska, J.Jastrzebski, T.Czosnyka, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, F.J.Hartmann, B.Ketzer, R.Schmidt, T.von Egidy, J.Cugnon, K.Gulda, W.Kurcewicz, E.Widmann

Strong interaction and E2 effect in even-A antiprotonic Te atoms

ATOMIC PHYSICS 122,124,126,128,130Te(p-bar, X), E at 106, 300 MeV/c; measured X-ray spectra from antiprotonic atoms; deduced level widths and shifts, nuclear resonance effect. 122,124,126,128,130Te deduced relative neutron, proton radii, neutron density at periphery.

doi: 10.1103/PhysRevC.69.044311
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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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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
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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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2003SC13      Phys.Rev. C 67, 044308 (2003)

R.Schmidt, A.Trzcinska, T.Czosnyka, T.von Egidy, K.Gulda, F.J.Hartmann, J.Jastrzebski, B.Ketzer, M.Kisielinski, B.Klos, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Smolanczuk, E.Widmann, S.Wycech

Nucleon density in the nuclear periphery determined with antiprotonic x rays: Cadmium and tin isotopes

NUCLEAR REACTIONS 106,116Cd, 112,116,120,124Sn(p-bar, X), E at rest; measured antiprotonic x-ray spectra. 106,116Cd, 112,116,120,124Sn deduced nucleon density distributions, radii. Comparison with previous data and model predictions.

ATOMIC PHYSICS 106,116Cd, 112,116,120,124Sn; measured antiprotonic x-ray spectra; deduced atomic level widths and shifts.

doi: 10.1103/PhysRevC.67.044308
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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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2002HA01      Phys.Rev. C65, 014306 (2002)

F.J.Hartmann, R.Schmidt, B.Ketzer, T.von Egidy, S.Wycech, R.Smolanczuk, T.Czosnyka, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, B.Klos, K.Gulda, W.Kurcewicz, E.Widmann

Nucleon Density in the Nuclear Periphery Determined with Antiprotonic X Rays: Calcium isotopes

ATOMIC PHYSICS 16O, 40,42,43,44,48Ca(p-bar, X), E at rest; measured antiprotonic X-ray spectra; deduced level widths. 40,42,43,44,48Ca deduced neutron density distribution features.

NUCLEAR REACTIONS 16O, 40,42,43,44,48Ca(p-bar, X), E at rest; measured antiprotonic X-ray spectra; deduced level widths. 40,42,43,44,48Ca deduced neutron density distribution features.

doi: 10.1103/PhysRevC.65.014306
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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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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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2001TR23      Nucl.Phys. A692, 176c (2001)

A.Trzcinska, J.Jastrzebski, T.Czosnyka, T.von Egidy, K.Gulda, F.J.Hartmann, J.Iwanicki, B.Ketzer, M.Kisielinski, B.Klos, W.Kurcewicz, P.Lubinski, P.J.Napiorkowski, L.Pienkowski, R.Schmidt, E.Widmann

Information on Antiprotonic Atoms and the Nuclear Periphery from the PS209 Experiment

NUCLEAR STRUCTURE 48Ca, 112,116,120,124Sn, 208Pb; analyzed antiproton annihilation data; deduced neutron-to-proton density ratios.

ATOMIC PHYSICS 16O, 40,42,43,44,48Ca, 54,56,57,58Fe, 59Co, 58,60,62,64Ni, 90,96Zr, 106,116Cd, 112,116,120,124Sn, 122,124,126,128,130Te, 172,176Yb, 208Pb, 209Bi, 232Th, 238U; measured antiprotonic atoms strong interaction level widths, shifts.

doi: 10.1016/S0375-9474(01)01176-9
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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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1999HA41      Nucl.Phys. A655, 289c (1999)

F.J.Hartmann, T.Czosnyka, K.Gulda, J.Jastrzebski, B.Ketzer, M.Kisielinski, B.Klos, J.Kulpa, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Schmidt, R.Smolanczuk, A.Trzcinska, T.von Egidy, E.Widmann, S.Wycech

Antiprotonic Atoms as a Tool to Study the Nuclear Periphery

doi: 10.1016/S0375-9474(99)00215-8
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1999SC35      Phys.Rev. C60, 054309 (1999)

R.Schmidt, F.J.Hartmann, B.Ketzer, T.von Egidy, T.Czosnyka, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, B.Klos, R.Smolanczuk, S.Wycech, W.Poschl, K.Gulda, W.Kurcewicz, E.Widmann

Composition of the Nuclear Periphery from Antiproton Absorption using Short-Lived Residual Nuclei

NUCLEAR REACTIONS 48Ca, 100Mo, 104Ru, 112,124Sn, 116Cd(p-bar, X), E at rest; measured Eγ, Iγ(t) following residual nucleus decay; deduced yields, isomeric ratios. 48Ca, 100Mo, 104Ru, 112,124Sn, 116Cd deduced peripheral neutron-to-proton ratios, effective scattering lengths of antiprotons. Comparison with Hartree-Fock-Bogoliubov calculations.

doi: 10.1103/PhysRevC.60.054309
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1999SC49      Hyperfine Interactions 118, 67 (1999)

R.Schmidt, T.Czosnyka, K.Gulda, F.J.Hartmann, J.Jastrzebski, B.Ketzer, B.Klos, J.Kulpa, W.Kurcewicz, P.Lubinski, P.Napiorkowski, L.Pienkowski, R.Smolanczuk, A.Trzcinska, T.von Egidy, E.Widmann, S.Wycech

Determination of the proton and neutron densities at the nuclear periphery with antiprotonic X-rays and (p-bar)-nucleus reactions

NUCLEAR REACTIONS 172,176Yb(p-bar, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths. 172,176Yb deduced surface nucleon densities.

ATOMIC PHYSICS 172,176Yb(p-bar, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths. 172,176Yb deduced surface nucleon densities.

doi: 10.1023/A:1012680402100
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1999WI10      Nucl.Phys. A655, 353c (1999)

E.Widmann

Antiprotonic Atom Formation and Spectroscopy - ASACUSA Experiment at CERN-AD

doi: 10.1016/S0375-9474(99)00224-9
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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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1998SC43      Phys.Rev. C58, 3195 (1998)

R.Schmidt, F.J.Hartmann, T.von Egidy, T.Czosnyka, J.Iwanicki, J.Jastrzebski, M.Kisielinski, P.Lubinski, P.Napiorkowski, L.Pienkowski, A.Trzcinska, J.Kulpa, R.Smolanczuk, S.Wycech, B.Klos, K.Gulda, W.Kurcewicz, E.Widmann

Nucleon Density of 172Yb and 176Yb at the Nuclear Periphery Determined with Antiprotonic x Rays

NUCLEAR REACTIONS 172,176Yb(p-bar, X), E at rest; measured x-ray spectra; deduced widths and shifts due to strong interaction. 172,176Yb deduced nucleon density at nuclear periphery.

doi: 10.1103/PhysRevC.58.3195
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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
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1997WI21      Nucl.Phys. A626, 177c (1997)

E.Widmann

High-Precision Spectroscopy of Antiprotonic Helium Atomcules

ATOMIC PHYSICS 3,4He(p-bar, X), E at rest; measured delayed annihilation time spectra, atomcule transition wavelengths. Laser spectroscopy.

doi: 10.1016/S0375-9474(97)00535-6
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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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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
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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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