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Research Group "Stefan-Meyer-Institut, ÖAW"
(Univ.Prof. Dr. Eberhard Widmann)

Head of the research group:
Last name:Widmann
First name(s):Eberhard
Title:Univ.Prof. Dr.
Institution:Austrian Academy of Sciences
Organizational unit:Stefan-Meyer-Institut für Subatomare Physik
Street address:Boltzmanngasse 3
Postal code:1090
Assignments to Research Areas:
Research area(s):
  • Nuclear and Particle Physics
Assignments to Fields of Work According to the Austrian System of Science Areas:
Field(s) of work:
  • Atomic physics (103005)
  • Particle physics (103034)
Data Acquisition:
Date of the data acquisition:30.05.2011
Data acquisition period:from: 2005   up to including: 2009
Research Group at the Time of the Data Acquisition:
Scientific group members:
14 Persons
Priv.-Doz. Dr. Johann Marton
Priv.-Doz. Dr. Johann Zmeskal
Dr. Paul Bühler
Dr. Michael Cargnelli
Dr. Olaf Nils Hartmann
Dr. Tomoichi Ishiwatari
Dr. Bertalan Juhasz
Dr. Ken Suzuki
M. Sc. Gamal Ahmed
Mag. Silke Federmann
Mag. Susanne Friedreich
Mag. Alexander Gruber
Mag. Philipp Müllner
Oswald Massiczek
Percentage project-funded:40
Scientific Output in the Above Data Acquisition Period:
H-index of the group head:26
Number of publications:121
Five most important publications:
  1. Beer, G., A. M. Bragadireanu, M. Cargnelli, C. Curceanu-Petrascu, J. P. Egger, H. Fuhrmann, C. Guaraldo, M. Iliescu, T. Ishiwatari, K. Itahashi, M. Iwasaki, P. Kienle, T. Koike, B. Lauss, V. Lucherini, L. Ludhova, J. Marton, F. Mulhauser, T. Ponta, L. A. Schaller, R. Seki, D. L. Sirghi, F. Sirghi, J. Zmeskal (DEAR Collaboration) (2005). "Measurement of the kaonic hydrogen x-ray spectrum." Physical Review Letters 94(21): 212302.
  2. Hori, M., A. Dax, J. Eades, K. Gomikawa, R. S. Hayano, N. Ono, W. Pirkl, E. Widmann, H. A. Torii, B. Juhasz, D. Barna and D. Horvath (2006). "Determination of the antiproton-to-electron mass ratio by precision laser spectroscopy of pbar-He+." Physical Review Letters 96(24): 243401.
  3. Okada, S., G. Beer, H. Bhang, A. 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 and J. Zmeskal (2007). "Precision measurement of the 3d -> 2p x-ray energy in kaonic 4He." Physics Letters B 653(5-6): 387-391.
  4. Bartalucci, S., S. Bertolucci, M. Bragadireanu, M. Cargnelli, M. Catitti, C. Curceanu, S. Di Matteo, J. P. Egger, C. Guaraldo, M. Iliescu, T. Ishiwatari, M. Laubenstein, J. Marton, E. Milotti, D. Pietreanu, T. Ponta, D. L. Sirghi, F. Sirghi, L. Sperandio, E. Widmann and J. Zmeskal (2006). "New experimental limit on the Pauli exclusion principle violation by electrons." Physics Letters B 641(1): 18-22.
  5. T. Pask, D. Barna, A. Dax, R. S. Hayano, M. Hori, D. Horváth, S. Friedreich, B. Juhász, O. Massiczek, N. Ono, A. Sótér, E. Widmann, "Antiproton magnetic moment determined from the HFS of antiprotonic helium", Physics Letters B, 678 (2009), 55-59.
Projects and Funding Granted in the Above Data Acquisition Period:
Competitive projects:
  • EU FP6:
    I3 HadronPhysics
    Laufzeit: 2004 - 2008; Mittel: 165 kEuro, Zusatzfinanzierung bm_wf: 339 kEuro
  • EU FP6:
    Transnational Access to Research Infrastructures
    Laufzeit: 2004 - 2008; Mittel: 200 kEuro
  • EU FP6:
    Design Study DIRAC2ndary beams
    Laufzeit: 2005 - 2008; Mittel: 29 kEuro
    Geiger-mode APD Detektoren
    Laufzeit: 2007 - 2009; Mittel: 10 kEuro
  • EU FP7:
    I3 HadronPhysics 2
    Laufzeit: 2009 - 2011; Mittel: 276 kEuro, Zusatzfinanzierung bm_wf: 187 kEuro
  • EU FP7:
    Transnational Access to Research Infrastructures
    Laufzeit: 2009 - 2010; Mittel: 48 kEuro
  • EU FP7:
    FAIR Implementation Phase
    Laufzeit: 2007 - 2012; Mittel: 105 kEuro
  • FWF:
    Precision spectroscopy of kaonic helium-3
    Laufzeit: 2008 - 2011; Mittel: 372 kEuro
  • FWF:
    Hyperfine structure of antiprotonic helium
    Laufzeit: 2009 - 2012; Mittel: 402 kEuro
  • FWF:
    Search for K- pp - an antikaon nuclear bound state
    Laufzeit: 2009 - 2012; Mittel: 235 kEuro
Research Topics:
Current research topics:
  • Forschungsschwerpunkt 1: Materie-Antimaterie Symmetrie:
    Studium der CPT Symmetrie mit antiprotonischen Atomen und Antiwasserstoff am CERN-AD
  • Forschungsschwerpunkt 2: Hadronenphysik:
    Studium kaonischer Atome und kaonischer Kerncluster: Niederenergie-QCD an LN Frascati (Italien), J-PARC (Japan), Mesonenspektroskopie mit Antiprotonenstrahlen: PANDA and FAIR (Darmstadt)
  • Forschungsschwerpunkt 3: Instrumentation:
    Entwicklung modernster Detektoren (Röntgenlicht, sichtbares Licht, großflächige Spurendetektoren)
Future topics (next 5 years):
  • siehe oben
Teaching and Research Mobility in the Above Data Acquisition Period:
Doctor's theses:
3 doctor's theses
  1. A. Hirtl, Ph. D. , Determination of the Strong Interaction Ground State Width in Pionic Hydrogen, Vienna University of Technology, 2008.
  2. M. Kasprzak, Ph. D., Ultracold Neutron Converters, University of Vienna, 2008.
  3. T. Pask, Ph. D., A Precision Measurement of the Antiprotonic Helium Hyperfine Structure, University of Vienna, 2008.
Diploma and master theses:
3 theses
  1. Alexander Gruber, Diploma thesis, Coulomb-Explosion in pionischen Kohlenstoff, University of Vienna, 2005.
  2. Chloe Malbrunot, Diploma thesis, Collisional effects in the measurement of the hyperfine structure of antiprotonic helium, Vienna University of Technology, 2007.
  3. Philipp Schmid, Diploma thesis, Fluessig-Deuterium Target zur Untersuchung von starkgebundenen Kaonischen Kernzustaenden, University of Vienna, 2007.
International networking:
  • insgesamt 67 Besuche incoming und mehr als 200 outgoing (Dauer 4 Tage und mehr)
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