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ASACUSA Publications

Last updated Mon, 2006-08-14 11:34 am


Links to LEAR publication lists: PS205, PS194

Publications

  • On the double ionization of helium by very slow antiproton impact by H. Knudsen et al., Nuclear Instruments and Methods in Physics Research B 267, 244 (2009). (pdf)
  • Chirp-corrected, nanosecond Ti:sapphire laser with 6 MHz linewidth for spectroscopy of antiprotonic helium by M. Hori and A. Dax, Optics Letters 34, 1273 (2009). (pdf)
  • Improved study of the antiprotonic helium hyperfine structure by T. Pask et al., J. Phys. B, Vol 41, p. 081008 (2008). (pdf)
  • Spatial and temporal beam profile monitor with nanosecond resolution for CERN's Linac4 and Superconducting Proton Linac by M. Hori and K. Hanke, Nucl. Inst. Meth. Phys. Res. A 588, 359 (2008). (pdf)
  • Antiprotonic helium and CPT invariance, Reports on Progress in Physics, Vol 70, 1995 (2007) by R.S. Hayano et al. (pdf)
  • Low temperature behavior of collisions between antiprotonic helium and hydrogen molecules and an indication of the Wigner threshold law by B. Juhasz et al., available online in Chem. Phys. Lett. 427, 246-250 (2006). (pdf)
  • Determination of the Antiproton-to-Electron Mass Ratio by Precision Laser Spectroscopy of Pbar-He+, Phys. Rev. Lett. 96, 243401 (2006). (pdf)
  • Photocathode microwire monitor for nondestructive and highly sensitive spatial profile measurements of ultraviolet, x-ray, and charged particle beams by M. Hori, Rev. Sci. Instr. 76, 113303 (2005). (pdf)
  • Observation of Cold, Long-lived Antiprotonic Helium Ions by M. Hori et al, Phys. Rev. Lett. 94, 063401 (2005). (pdf)
  • Cryogenic tunable microwave cavity at 13 GHz for hyperfine spectroscopy of antiprotonic helium by J. Sakaguchi et al, Nucl. Instr. Meth. A 533 (2004) 598(pdf)
  • Populations and lifetimes in the v = n––1 = 2 and 3 metastable cascades of He+ measured by pulsed and continuous antiproton beams by M. Hori et al., Phys. Rev. A 70, 012504 (2004) (pdf)
  • Systematic study of the decay rates of antiprotonic helium states by H. Yamaguchi et al., Phys. Rev. A 70, 012501 (2004) (pdf)
  • Stopping power in insulators and metals without charge exchange by S.P. Møller et al., Phys. Rev. Lett. 93 (2004) 042502 (pdf)
  • Parallel plate chambers for monitoring the profiles of high-intensity pulsed antiproton beams by M. Hori, NIM A 522 (2004) 420. (pdf)
  • Resolution-enhancement of pbar-helium atomic line profiles measured using a pulsed dye laser and Fizeau wavelength meter by M. Hori et al., Optics Letters 28 (2003) 2479. (pdf).
  • Direct measurement of transition frequencies in isolated pbar-He+ atoms, and new CPT violation limits on the antiproton charge and mass by M. Hori et al., Phys. Rev. Lett. 91 (2003) 123401 (pdf).
  • Quantum tunnelling effects revealed in collisions of antiprotonic helium with hydrogenic molecules at low temperatures by B. Juhasz et al., Chem. Phys. Lett. 379 (2003) 91-98 (pdf).
  • Transport beam line for ultraslow monoenergetic antiprotons
    K. Yoshiki Franzen et al., Rev. Sci. Instr. 75 (2003) 3305-3311 (pdf)
  • Analog Cherenkov detectors used in laser spectroscopy experiment on antiprotonic helium by M. Hori et al., NIM-A496 (2003) 102-122. (pdf)
  • Hyperfine Structure of Antiprotonic Helium Revealed by a Laser-microwave-laser resonance method
    E. Widmann et al., Phys. Rev. Lett. 89 (2002) 243402 (pdf)
  • Anomalies in the decay rates of antiprotonic helium atom states
    H. Yamaguchi et al., Phys. Rev. A 66 (2002) 022504 (pdf)
  • Primary populations of metastable antiprotonic 4He and 3He atom
    M. Hori et al., published in Phys. Rev. Lett. 89 (2002) 093401 (pdf)
  • Antiprotonic Helium
    T. Yamazaki, N. Morita, R.S. Hayano, E. Widmann and J. Eades, published in Physics Reports, Vol. 366 (4-5) (2002) 183-329, (2.1 Mb pdf)
  • Antiproton Stopping at Low Energies - Unequivocal Confirmation of Velocity-Proportional Stopping
    S.P. Moeller et al., published in Physical Review Letters 88 (2002) 193201 (pdf)
  • Quenching of metastable antiprotonic helium atoms in collisions with deuterium molecules
    B. Juhasz et al., published in Eur. Phys. J. D 18, 261-266 (2002) (pdf).
  • Sub-ppm laser spectroscopy of antiprotonic helium and a CPT-violation limit on the antiprotonic charge and mass
    M. Hori et al,Phys. Rev. Lett. 87, 093401 (2001). (pdf) This is the first PRL from AD.
  • Antiprotonic Helium
    T. Yamazaki, N. Morita, R.S. Hayano, E. Widmann, and J. Eades, To appear in Physics Reports (pdf)
  • Density Shifts of Laser Resonance Lines in Metastable Antiprotonic Helium Atoms and Determination of Antiproton Charge
       H.A. Torii et al., Phys. Rev. A59 (1999) 223. (pdf)
  • Laser spectroscopic studies of state-dependent collisional quenching of the lifetimes of metastable antiprotonic helium atoms
      M. Hori et al., Phys. Rev. A58 (1998) 1612-1627.
  • Influence of oxygen admixtures on the lifetime of metastable antiprotonic helium atoms
      R. Pohl et al., Phys. Rev. A58 (1998) 4406-4415.
  • Laser spectroscopy of metastable states in the $v$=2 cascade of antiprotonic $^3$He
      F.J. Hartmann et al., Phys. Rev. A58 (1998) 3604-3610.

Doctor Theses

  • Laser Spectroscopy of Antiprotonic Helium Atomcules - collisional shift and broadening of resonance lines -
    Hiroyuki A. Torii, December 1997, University of Tokyo (pdf) and his defense transparencies (pdf)
  • Cascade of metastable antiprotonic helium atoms
    Masaki Hori, December 1999, University of Tokyo (pdf)
  • Laser spectroscopy of the antiprotonic helium atom –its energy levels and state lifetimes
    Hidetoshi Yamaguchi, December 2003, University of Tokyo (pdf)

Master & diploma theses

  • Experimental Investigations of the Energy Loss of Slow Protons and Antiprotons in Matter
    Alex Csete (master thesis, Aarhus University) (pdf)
  • Application of microwave techniques to antiprotonic helium spectroscopy
    Jun Sakaguchi, January 2000, University of Tokyo (pdf)
  • Lézerspektroszkópia antiprotons héliumatomokon - Antiprotonk fékezödésének szimulációja -
    Juhász Bertalan, 2000, Debreceni Egyetem, Kísérleti Fizika Tanszék (pdf), appendix with color figures (pdf)

Talks

  • T. Yamazaki, Invited talk at the International Workshop on Gravitation and Astrophysics Nov 17-19, 1997, Tokyo "SCOPE FOR HIGH-PRECISION SPECTROSCOPY OF ANTIPROTONIC ATOMCULE AND ANTIHYDROGEN" (proceedings)
  • R.S. Hayano, LEAR symposium, CERN, Geneva (Switzerland, May.1998).
  • Invited talk at "42nd radiation chemistry symposium", Sept 16-18, 1998, Sendai, "Chemistry of Antiprotonic Atoms" by Hayano (abstract in Japanese)
  • R.S. Hayano, "New Era of Low-energy Antiproton Physics", an article to appear in "Parity", (in Japanese)
  • R.S. Hayano, Invited talk at the INTERNATIONAL WORKSHOP ON CONTEMPORARY NUCLEAR PHYSICS, April 30 - Ma 2 1998, Korea University, Seoul, Korea, " Summary of JHF antiproton Session"
  • E. Widmann, ``Experimental studies of antiprotonic helium'', Workshop on Frontier Tests of Quantum Electrodynamics and Physics of the Vacuum (QED98), Sandanski (Bulgaria, Jun.1998); Proceedings (Heron Press, Sofia, 1998) 186-201. proceedings and slides
  • H.A. Torii, ``High-precision laser spectroscopy of antiprotonic helium atoms'', Workshop on Frontier Tests of Quantum Electrodynamics and Physics of the Vacuum (QED98), Sandanski (Bulgaria, Jun.1998); Proceedings (Heron Press, Sofia, 1998) 209-214. proceedings
  • Y. Yamazaki, ``Production of ultra slow antiprotons, its application to atomic collisions and atomic spectroscopy --- ASACUSA project'', The 7th Workshop on Fast Ion-Atom Collisions, Debrecen (Hungary, Sep.1998); Nucl. Instrum. Meth. in Phys. Res. B154 (1999) 174-184. proceedings
  • H. Higaki, Trapped Charged Particles and Fundamental Physics, Moterey CA (U.S.A., Sep.1998); AIP Conf. Proc. 457, D.H.E. Dubin and D. Schneider, American Institute of Physics (Springer-Verlag, 1999).
  • N. Oshima, SLOPOS-8, the eighth international workshop on slow positron beam techniques for solids and surfaces, Cape Town (South Africa, Sep.1998).
  • D. Horvath , ``Atomic Spectroscopy and Collisions using Slow Antiprotons - ASACUSA', EXAT98 --- Workshop on Exotic Atoms, Molecules and Muon Catalyzed Fusion, Ascona (Switzerland, Jul.1998); Hyperfine Interactions 119 (1999) 195-200. abstract and proceedings
  • F.J. Hartmann, "The metatstable antiprotonic helium as an antiproton trap", EXAT98 --- Workshop on Exotic Atoms, Molecules and Muon Catalyzed Fusion, Ascona (Switzerland, Jul.1998) abstract
  • E. Widmann, ``Measurement of the hyperfine structure of antiprotonic helium'', EXAT98 --- Workshop on Exotic Atoms, Molecules and Muon Catalyzed Fusion, Ascona (Switzerland, Jul.1998); Hyperfine Interactions 119 (1999) 195-200. abstract, transparencies
  • H.A. Torii, ``High-precision laser spectroscopy of antiprotonic helium atomcules and effects of collisions at high-density conditions'', Workshop on Exotic Atoms, Molecules and Muon Catalyzed Fusion, Ascona (Switzerland, Jul.1998); Hyperfine Interactions 119 (1999) 213-219. abstract
  • B. Ketzer, ``Quenching of metastable states of antiprotonic helium by foreign gas admixtures'', EXAT98 --- Workshop on Exotic Atoms, Molecules and Muon Catalyzed Fusion, Ascona (Switzerland, Jul.1998); Hyperfine Interactions 119 (1999) 221-226. abstract, transprencies
  • R.S. Hayano, ``Laser spectroscopy of protonium'', LEAP98 --- Fifth Biennial Conference on Low Energy Antiproton Physics, Villasimius (Italy, Sep.1998); Nucl. Phys. A 655 (1999) 318-323. proceedings, transparencies
  • R.S. Hayano, ``Japan Hadron Facility'', LEAP98 --- Fifth Biennial Conference on Low Energy Antiproton Physics, Villasimius (Italy, Sep.1998); Nucl. Phys. A 655 (1999) 369-370. abstract, proceedings, transparencies
  • E. Widmann, ``Antiprotonic atom formation and spectroscopy --- ASACUSA experiment at CERN-AD'', LEAP98 --- Fifth Biennial Conference on Low Energy Antiproton Physics, Villasimius (Italy, Sep.1998); Nucl. Phys. A 655 (1999) 353-362. abstract, proceedings, transparencies
  • H.A. Torii, ``Latest news from PS205 --- High-precision laser spectroscopy of antiprotonic helium atoms'', LEAP98 --- Fifth Biennial Conference on Low Energy Antiproton Physics'', Villasimius (Italy, Sep.1998); Nucl. Phys. A 655 (1999) 295-300. abstract
  • R.S. Hayano, ``Formation and spectroscopy of antiprotonic atoms and antihydrogen'', International Workshop on Advanced Techniques of Positron Beam Generation and Control, RIKEN, Wako (Saitama, Japan, Dec.1998). proceedings
  • N. Oshima, \etal, ``A new project to produce ultra cold ions using a positron cooling technique'', International Workshop on Advanced Techniques of Positron Beam Generation and Control, RIKEN, Wako (Saitama, Japan, Dec.1998). proceedings
  • N. Oshima, Eurotrap workshop, London (U.K., Apr.1999).
  • E. Widmann, \etal, ``Measurement of the hyperfine structure of antiprotonic helium'', XVth International Conference on Particles and Nuclei (PANIC99), Uppsala (Sweden, Jun.1999). abstract
  • R.S. Hayano, \etal, ``Laser spectroscopy of antiprotonic helium and stringent constraint on the antiproton charge and mass'', XVth International Conference on Particles and Nuclei (PANIC99), Uppsala (Sweden, Jun.1999). abstract proceedings
  • R.S. Hayano, ``Precision spectroscopy of antiprotonic atoms'', 10th workshop on low-energy positron and positronium physics, KEK, Tsukuba (Ibaraki, Japan, Jul.1999); Nucl. Instrum. Meth. in Phys. Res. B (Jul.2000). proceedings
  • T. Ichioka, \etal, ``Multi-ring trap as a reservoir of cooled antiprotons'', 1999 Workshop on Nonneutral Plasmas, Princeton, U.S.A. (Aug.1999); ``Non-neutral plasma physics III'', AIP Conf. Proc. 498, J.J. Bollinger \etal, American Institute of Physics (Springer-Verlag, 1999), p.59-64/503.
  • Y. Yamazaki, ``Trapping, cooling, and extraction of antiprotons, and the ASACUSA project'', 1999 Workshop on Nonneutral Plasmas, Princeton, U.S.A. (Aug.1999); ``Non-neutral plasma physics III'', AIP Conf. Proc. 498, J.J. Bollinger \etal, American Institute of Physics (Springer-Verlag, 1999), p.48-58/503.
  • Y. Yamazaki, ``Atomic spectroscopy and collisions using slow antiprotons'', X-99 (X-ray and Inner-Shell Processes), Chicago (U.S.A., Aug.1999); AIP Conf. Proc. 506, R.W. Dunford \etal, American Institute of Physics (Springer-Verlag, 2000).
  • R.S. Hayano, ``Antiprotonic Helium --- a window into the antiworld'', Asia Pacific Conference on Few-Body Problems in Physics, Noda/Kashiwa (Chiba, Japan, Aug.1999); Few Body Systems {Suppl. (Springer-Verlag, 2000)
  • Y. Kino, ``High-precision calculation of antiprotonic helium atomcules and antiproton mass'', Asia Pacific Conference on Few-Body Problems in Physics, Noda/Kashiwa (Chiba, Japan, Aug.1999); Few Body Systems {Suppl. (Springer-Verlag, 2000)
  • T. Yamazaki, ``Laser spectroscopy of antiprotonic helium'' 1st Euroconference on Atomic Physics at Accelerators (APAC99), Budenheim (Germany, Sep.1999); Hyperfine Interactinos (2000)
  • R.S. Hayano, ``High-precision laser spectroscopy of antiprotonic helium atoms'', XVIth IUPAP International Conference on Few-Body Problems in Physics, Taipei (Taiwan, Mar.2000); Proceedings, Elsevier Science (2000) abstract, proceedings
  • E. Widmann \etal, ``Hyperfine structure measurements of antiprotonic helium and antihydrogen'', Hydrogen atom II, Castiglione della Pescaia (Italy, Jun.2000). proceedings
  • Y. Yamazaki, XVII International Conference on Atomic Physics (ICAP 2000), Florence (Italy, Jun.2000).
  • H.A. Torii, ``High-precision laser spectroscopy of antiprotonic helium atoms as a pioneer work in antimatter science'', Europhysics Conference for Atomic Spectroscopy (EGAS32), Vilnius (Lithuania, Jul.2000).
  • M. Hori, Biennial Conference on Low Energy Antiproton Physics (LEAP 2000), Venice (Italy, Aug.2000) proceedings.
  • E. Widmann, 2nd Workshop on Frontier Tests of Quantum Electrodynamics and Physics of the Vacuum (QED2000), Trieste, Italy, October 5{11, 2000) proceedings.
  • E. Widmann, invited talk at the spring German Physical Society meeting (abstract in German).

Other reports

  • CERN PS/CA Note 99-23, H. Knudsen, U. Mikkelsen, S.P. MÏller, R. Thompson and E. UggerhÏj, unpublished

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