Title of article
η−η′ mixing from U(3)L⊗U(3)R chiral perturbation theory
Author/Authors
P. Herrera-Sikl?dy، نويسنده , , J.I. Latorre، نويسنده , , J. P. Pascual Starink، نويسنده , , J. Taron، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1998
Pages
7
From page
326
To page
332
Abstract
We obtain explicit expressions for the η and η′ masses and decay constants using UL(3)⊗UR(3) chiral perturbation theory at next-to-leading order in a combined expansion in p2 and 1/Nc. A numerical fit of the parameters appearing to this order of the expansion is also discussed.
Journal title
PHYSICS LETTERS B
Serial Year
1998
Journal title
PHYSICS LETTERS B
Record number
909357
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