Kim, Changhoan and Sachrajda, Christopher
Using K0p??p? transitions to compute K ?(pp)I=0
decay amplitudes at NLO in the chiral expansion.
Proceedings of the XXV International Symposium on Lattice Field Theory.
Scuola Internaziole Superiore di Studi Avanzati (SISSA).
(Proceedings of Science).
Full text not available from this repository.
It is proposed to compute matrix elements for the (unphysical) K0p? ?p? transition to determine
the next-to-leading order low energy constants of the weak chiral Lagrangian. This allows
us to evaluate K ?(pp )I=0 decay amplitudes at this level of precision. This approach has several
significant advantages over the use of K ?pp transitions, most notably the elimination of
s-channel disconnected diagrams and the use of fewer inversions
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