THE QCD SUM-RULE FOR THE DELTA(1232) IN THE INSTANTON MEDIUM

Authors
KODAMA N OKA M
Citation
N. Kodama et M. Oka, THE QCD SUM-RULE FOR THE DELTA(1232) IN THE INSTANTON MEDIUM, Physics letters. Section B, 340(4), 1994, pp. 221-225
Citations number
13
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
340
Issue
4
Year of publication
1994
Pages
221 - 225
Database
ISI
SICI code
0370-2693(1994)340:4<221:TQSFTD>2.0.ZU;2-J
Abstract
The QCD sum rule for the Delta(1232) is considered in the instanton me dium. It is found that the instanton effect improves the chirally odd sum rule significantly. This indicates that the operator product expan sion does not converge rapidly in the delta state. The chirally even s um rule of Delta suggests that the ''standard'' value of the higher di mensional condensate mo is much smaller than that derived from the ins tanton model.