High-Precision Calculation of Antiprotonic Helium Atomcules and Antiproton Mass

  • Y. Kino
  • M. Kamimura
  • H. Kudo
Part of the Few-Body Systems book series (FEWBODY, volume 12)


We showed a new possibility to determine the basic constants concerned with antiproton by high-accuracy calculations of the transition wavelength of antiprotonic helium atoms (̄pHe+, atomcule in short). The Coulomb three-body calculation having large interacting angular momenta of J~35 was carried out by a non-adiabatic coupled rearrangement channel method. Relativistic and QED corrections on the energies were calculated up to the second order perturbation. Excellent agreement with experimental data was obtained. With this agreement the antiproton mass (charge) were determined with the precision of 10−7. The observed transition wavelengths are systematically red-shifted from the calculated value. These shifts couldn’t be explained by a binary collision with simple attraction between the atomcule and medium He.


Transition Wavelength Density Correction Antiprotonic Helium Pseudo State Rearrangement Channel 
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Copyright information

© Springer-Verlag Wien 2000

Authors and Affiliations

  • Y. Kino
    • 1
  • M. Kamimura
    • 2
  • H. Kudo
    • 1
  1. 1.Department of ChemistryTohoku UniversitySendaiJapan
  2. 2.Department of PhysicsKyushu UniversityFukuokaJapan

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