The D^0 -> K^0 \bar{K^0} decay beyond factorization
High Energy Physics - Phenomenology
2009-11-07 v1
Abstract
The decay mode D^0 -> K^0 \bar{K^0} has no factorizable contribution. We calculate the nonfactorizable chiral loop contributions of order O(p^3)and then we use a heavy-light type chiral quark model to calculate nonfactorizable tree level terms, also of order O(p^3), proportional to the gluon condensate. Calculated chiral loops and the gluon condensate contributions are of the same order of magnitude as the experimental amplitude.
Keywords
Cite
@article{arxiv.hep-ph/0110133,
title = {The D^0 -> K^0 \bar{K^0} decay beyond factorization},
author = {J. 0. Eeg and S. Fajfer and J. Zupan},
journal= {arXiv preprint arXiv:hep-ph/0110133},
year = {2009}
}
Comments
6 pages, uses aipproc.sty, talk given by S. Fajfer at QCD@Work, International workshop on QCD: Theory and Experiment, Martina Franca (Italy), June 16-20, 2001