Charge and isospin symmetry breaking via external pi0-eta meson mixing - INSPIRE

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Charge and isospin symmetry breaking via external pi0-eta meson mixing

A. Magiera
(
- Julich, Forschungszentrum and
- Jagiellonian U.
)
,
H. Machner
(
- Julich, Forschungszentrum
)

Jun, 2000

9 pages

Published in:

Nucl.Phys.A 674 (2000) 515-523

DOI:

10.1016/S0375-9474(00)00178-0

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Abstract: (Elsevier)

A simple model of isospin and charge symmetry breaking due to external π 0 – η meson mixing is presented. It is based on amplitudes extracted from the available experimental data for pd → 3 He π 0 , pd → 3 He η and dd → 4 He η reactions. Predictions of the strength of isospin symmetry breaking in pd → 3 H π + / 3 He π 0 reactions are given. Within the same model, the cross section for the charge symmetry breaking dd → 4 He π 0 reaction is calculated.

24.80.+y
11.30.Er
13.60.Le
p deuteron: nuclear reaction
tritium: hadroproduction
helium: hadroproduction
helium: nuclide
pi0
eta
pseudoscalar meson: interference

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