Strong coupling constant of negative parity octet baryons with light pseudoscalar mesons in light cone QCD sum rules

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• 作者：T.M. Aliev¹ ; ^{taliev@metu.edu.tr} ; M. Savcı ; ^{savci@metu.edu.tr}
• 关键词：Strong coupling constant ; Negative parity octet baryons ; Light cone QCD sum rules ; F and D couplings
• 刊名：Nuclear Physics A
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：957
• 期：Complete
• 页码：391-405
• 全文大小：362 K
• 卷排序：957

文摘

The strong coupling constants of the π and K mesons with negative parity octet baryons are estimated within the light cone QCD sum rules. It is observed that all strong coupling constants, similarly to the case for the positive parity baryons, can be described in terms of three invariant functions, where two of them correspond to the well known F and D   couplings in the SU(3)fSU(3)f symmetry, and the third function describes the SU(3)fSU(3)f symmetry violating effects. We compare our predictions on the strong coupling constants of pseudoscalar mesons of negative parity baryons with those corresponding to the strong coupling constants for the positive parity baryons.