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Vector meson-baryon strong coupling constants in light cone QCD sum rules
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Date
2009-07-01
Author
Alıyev, Tahmasıb
Özpineci, Altuğ
Savcı, Mustafa
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Using the most general form of the interpolating current of the baryons, the strong coupling constants of the light vector mesons with the octet baryons are calculated within the light cone QCD sum rules. The SU(3)(f) symmetry breaking effects are taken into account in the calculations. It is shown that each of the electric and magnetic coupling constants can be described in terms of three universal functions. A detailed comparison of the results of this work on aforementioned couplings with the existing theoretical results is presented.
Subject Keywords
Nuclear and High Energy Physics
URI
https://hdl.handle.net/11511/38878
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.80.016010
Collections
Department of Physics, Article
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The strong coupling constants of heavy baryons with light vector mesons are calculated in the framework of the light cone QCD sum rules using the most general form of the interpolating currents for the heavy baryons. It is shown that the sextet sextet, sextet-antitriplet and antitriplet-antitriplet transitions are described by one invariant function for each class of transitions. The values of the electric and magnetic coupling constants for these transitions are obtained.
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Strong coupling constant of negative parity octet baryons with light pseudoscalar mesons in light cone QCD sum rules
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The strong coupling constants of the pi 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)(f) symmetry, and the third function describes the SU(3)(f) symmetry violating effects. We compare our predictions on the strong coup...
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BibTeX
T. Alıyev, A. Özpineci, and M. Savcı, “Vector meson-baryon strong coupling constants in light cone QCD sum rules,”
PHYSICAL REVIEW D
, pp. 0–0, 2009, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38878.