143 citations · 1k across the 39 of their papers we have counts for
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Photon or meson formation in decays into
J. -P. Dedonder, B. Loiseau, S. Wycech
The measurements of the decays by the BES Collaboration indicate an enhancement at the threshold which, however, is not present in…
The antinucleon-nucleon quasi-bound states: J/psi and atomic evidence
S. Wycech, B. Loiseau
The measurements of J/psi decays into photon, proton and antiproton show a strong enhancement at the proton-antiproton threshold not seen in the decays into neutral pion, proton an…
Antiproton-Proton Channels in J/psi Decays
B. Loiseau, S. Wycech
The recent measurements by the BES Collaboration of J/psi decays into a photon and a proton-antiproton pair indicate a strong enhancement at the proton-antiproton threshold not obs…
A phenomenological determination of the pion-nucleon scattering lengths from pionic hydrogen
T. E. O. Ericson, B. Loiseau, S. Wycech
A model independent expression for the electromagnetic corrections to a phenomenological hadronic pion-nucleon scattering length, extracted from pionic hydrogen, is obtained. In a…
Antiproton-proton resonant like channels in J/Psi decays into photon, proton and antiproton
B. Loiseau, S. Wycech
The BES collaboration has recently observed a strong enhancement close to the proton-antiproton threshold in the J/Psi decays into photon, proton and antiproton. Such a structure c…
A phenomenological negatively charged pion-proton scattering length from pionic hydrogen
T. E. O. Ericson, B. Loiseau, S. Wycech
We derive a closed, model independent, expression for the electromagnetic correction factor to a phenomenological hadronic scattering length extracted from a hydrogenic atom. It is…
Nuclear Neutron Haloes as Seen by Antiprotons
S. Wycech, R. Smolanczuk
Nuclear interactions of antiprotons in atomic states are discussed. The total as well as partial widths for single nucleon capture events are calculated. These are compared to the…
The Production of the Exotic Atoms , and
S. Wycech, A. M. Green
Estimates are made of the signals to be expected in the production of the exotic atoms Pionium (), Kaonium () and also in pp, pd and reactions. Su…