Shao-Zhou Jiang, Qing Wang. Computation of the p^6 order low-energy constants with tensor sources


Natural Sciences / Physics / Particle physics

Submitted on: Sep 15, 2012, 17:44:36

Description: We present the results of computing the $p^4$ and $p^6$ order low-energy constants of the chiral Lagrangian with tensor sources for both two and three flavors pseudoscalar mesons. This is a generalization of our previous work on calculating the $p^4$ and $p^6$ order coefficients of the chiral Lagrangian without tensor sources in terms of the quark self-energy $Sigma(p^2)$. We find that some $p^6$ order operators with tenor sources used in the literature are related to each other with the help of some epsilon relations. There leaves 100 independent terms for $n$-flavor, 94 terms for 3-flavor, and 67 terms for 2-flavor cases. We also find that the odd-intrinsic-parity chiral Lagrangian with tensor sources can not exist.

The abstract of this article will be published in the September 2012 issue of "Intellectual Archive Bulletin", ISSN 1929-1329.

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