The Goldberger-Treiman Discrepancy
N. F. Nasrallah (Lebanese University)
TL;DR
This paper investigates the Goldberger-Treiman discrepancy, linking it to the asymptotic behavior of the nucleon's pionic form factor through baryonic QCD sum rules, providing a quantitative estimate of the discrepancy.
Contribution
It offers a theoretical analysis connecting the discrepancy to QCD sum rules and provides a numerical range for the discrepancy value.
Findings
Discrepancy range: 0.015 to 0.022
Connection established between discrepancy and pionic form factor
Uses baryonic QCD sum rules for analysis
Abstract
The Golberger- Treiman discrepancy is related to the asymptotic behaviour of the pionic form factor of the nucleon obtained from baryonic QCD sum rules. The result is .015<=Delta_{GT}<=.022
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