Title of article
Chiral-loop and vector-meson contributions to η → ππγγ decays
Author/Authors
Ll. Ametller، نويسنده , , J. Bijnens، نويسنده , , A. Bramon، نويسنده , , P. Talavera، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1997
Pages
9
From page
370
To page
378
Abstract
The process η → π0π0γγ is discussed in Chiral Perturbation Theory (ChPT). Special attention is deveted to one-loop corrections, η-η′ mixing effects and vector-meson dominance of ChPT counter-terms. The less interesting η → π+π−γγ transition is briefly discussed too.
Journal title
PHYSICS LETTERS B
Serial Year
1997
Journal title
PHYSICS LETTERS B
Record number
908244
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