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Couplings of heavy hadrons with soft pions from QCD sum rules

Technical Report:

Abstract

The couplings in the Heavy Hadron Chiral theory Lagrangian from the QCD sum rules in an external axial field are estimated. Stability of the sum rules at moderate values of the Borel parameter is poor that probably signals slow convergence of the OPE series. At large values of the Borel parameter they stabilize, and yield the couplings much lower than the constituent quark model expectations. 18 refs.; 5 figs.
Publication Date:
Dec 31, 1994
Product Type:
Technical Report
Report Number:
BUDKERINP-94-3; IYaF-94-3.
Reference Number:
SCA: 662420; 662410; PA: AIX-26:007150; EDB-95:010943; SN: 95001299581
Resource Relation:
Other Information: PBD: 1994
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; LAMBDA BARYONS; SUM RULES; MESONS; SIGMA BARYONS; ALGEBRAIC CURRENTS; COUPLING; 662420; 662410; PROPERTIES OF MESONS AND MESON RESONANCES; PROPERTIES OF BARYONS AND BARYON RESONANCES
OSTI ID:
10102830
Research Organizations:
AN SSSR, Novosibirsk (Russian Federation). Inst. Yadernoj Fiziki
Country of Origin:
Russian Federation
Language:
English
Other Identifying Numbers:
Other: ON: DE95610349; TRN: RU9404577007150
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
16 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Grozin, A G, and Yakovlev, O I. Couplings of heavy hadrons with soft pions from QCD sum rules. Russian Federation: N. p., 1994. Web.
Grozin, A G, & Yakovlev, O I. Couplings of heavy hadrons with soft pions from QCD sum rules. Russian Federation.
Grozin, A G, and Yakovlev, O I. 1994. "Couplings of heavy hadrons with soft pions from QCD sum rules." Russian Federation.
@misc{etde_10102830,
title = {Couplings of heavy hadrons with soft pions from QCD sum rules}
author = {Grozin, A G, and Yakovlev, O I}
abstractNote = {The couplings in the Heavy Hadron Chiral theory Lagrangian from the QCD sum rules in an external axial field are estimated. Stability of the sum rules at moderate values of the Borel parameter is poor that probably signals slow convergence of the OPE series. At large values of the Borel parameter they stabilize, and yield the couplings much lower than the constituent quark model expectations. 18 refs.; 5 figs.}
place = {Russian Federation}
year = {1994}
month = {Dec}
}