Home
For authors
Submission status

Archive
Archive (English)
Current
      Volume 110
      Volume 109
      Volume 108
      Volume 107
      Volume 106
      Volume 105
      Volume 104
      Volume 103
      Volume 102
      Volume 101
      Volume 100
      Volume 99
      Volume 98
      Volume 97
      Volume 96
      Volume 95
      Volume 94
      Volume 93
Search
VOLUME 94 | ISSUE 10 | PAGE 791
Quark-hadron duality, axial anomaly and mixing
Y. Klopot+, A. Oganesian+*, O. Teryaev+
+Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia
*Institute of Theoretical and Experimental Physics, 117218 Moscow, Russia

Abstract
Interplay between axial anomaly and quark-hadron duality in the presence of strong mixing is considered. The anomaly sum rule for meson transition form factors based on the dispersive representation of axial anomaly and quark-hadron duality in octet channel is analyzed. The comparison of this sum rule to the experimental data on η- and η'-mesons transition form factors shows that the interval of duality in this channel is rather small, contradicting the usual understanding of quark-hadron duality. The same values of interval of duality are supported by considering the two-point correlator in the local duality limit. This contradiction may be resolved by introducing of some nonperturbative non-OPE correction to the relevant spectral density. The form and value of this correction are discussed.


Download PS file (GZipped, 111.4K)  |  Download PDF file (215.8K)


Список работ, цитирующих данную статью, см. здесь.

List of articles citing this article can be found here.