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Using K0p??p? transitions to compute K ?(pp)I=0 decay amplitudes at NLO in the chiral expansion

Using K0p??p? transitions to compute K ?(pp)I=0 decay amplitudes at NLO in the chiral expansion
Using K0p??p? transitions to compute K ?(pp)I=0 decay amplitudes at NLO in the chiral expansion
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
1-7
Scuola Internaziole Superiore di Studi Avanzati (SISSA)
Kim, Changhoan
b9765a16-6cee-4120-a1cd-ced51a33e398
Sachrajda, Christopher
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Kim, Changhoan
b9765a16-6cee-4120-a1cd-ced51a33e398
Sachrajda, Christopher
0ed6568b-f52f-4314-8677-4aeeb925d6f7

Kim, Changhoan and Sachrajda, Christopher (2007) Using K0p??p? transitions to compute K ?(pp)I=0 decay amplitudes at NLO in the chiral expansion. In Proceedings of the XXV International Symposium on Lattice Field Theory. Scuola Internaziole Superiore di Studi Avanzati (SISSA). pp. 1-7 .

Record type: Conference or Workshop Item (Paper)

Abstract

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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Published date: 2007

Identifiers

Local EPrints ID: 57352
URI: http://eprints.soton.ac.uk/id/eprint/57352
PURE UUID: 2c8b3144-3781-412f-bf6c-592e85305e23

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Date deposited: 07 Aug 2008
Last modified: 09 Nov 2021 09:53

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Contributors

Author: Changhoan Kim

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