Title

NEW 4-QUARK DELTA-S=2 LOCAL OPERATOR

Publication Date

1986

Journal or Book Title

PHYSICAL REVIEW D

Abstract

We describe a new four-quark ΔS=2 local operator, which we dub the ‘‘dipenguin’’ operator. Its form is derived and its K¯ 0-to-K0 matrix element is estimated. Also, we comment upon bag-model evaluations of K¯ 0-to-K0 matrix elements of (V-A)×(V-A) operators.

Comments

Published version is located at http://prd.aps.org/abstract/PRD/v33/i5/p1387_1

Volume

33

Pages

1387-1390

Issue

5

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