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4 papers · 2 filters
Stability of Few-Charge Systems in Quantum Mechanics
E. A. G. Armour, J. -M. Richard, K. Varga
We consider non-relativistic systems in quantum mechanics interacting through the Coulomb potential, and discuss the existence of bound states which are stable against spontaneous…
Accumulation of three-body resonances above two-body thresholds
Z. Papp, J. Darai, J. Zs. Mezei +2
We calculate resonances in three-body systems with attractive Coulomb potentials by solving the homogeneous Faddeev-Merkuriev integral equations for complex energies. The equations…
On the characterisation of a Bragg spectrometer with X-rays from an ECR source
D. F. Anagnostopoulos, S. Biri, D. Gotta +8
Narrow X-ray lines from helium-like argon emitted from a dedicated ECR source have been used to determine the response function of a Bragg crystal spectrometer equipped with large…
Systematic study of the decay rates of antiprotonic helium states
H. Yamaguchi, R. S. Hayano, T. Ishikawa +8
A systematic study of the decay rates of antiprotonic helium (\pbhef and \pbhet) at CERN AD (Antiproton Decelerator) has been made by a laser spectroscopic method. The decay rates…