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Vector meson dominance and radiative decays of heavy spin-3/2 baryons to heavy spin-1/2 baryons
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Date
2012-04-10
Author
Alıyev, Tahmasıb
Savcı, Mustafa
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Using the calculated values of the strong coupling constants of the heavy sextet spin-3/2 baryons to sextet and antitriplet heavy spin-1/2 baryons with light vector mesons within the light cone QCD sum rules method, and vector meson dominance assumption, the radiative decay widths are calculated. These widths are compared with the "direct" radiative decay widths predicted in the framework of the light cone QCD sum rules.
Subject Keywords
Vector meson dominance
,
Radiative decays
,
Strong coupling constants of heavy baryons
,
Light cone QCD sum rules
URI
https://hdl.handle.net/11511/49151
Journal
MODERN PHYSICS LETTERS A
DOI
https://doi.org/10.1142/s021773231250054x
Collections
Department of Physics, Article
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In this work, the strong coupling constants of the octet baryons to the K and pi mesons are studied within the Light Cone QCD sum rule method. It is well known that in the SU(3)(f) limit, these couplings can be expressed in terms of only 2 constants, so called F and D constants. In this work, the SU(3)(f) symmetry violating effects are also studied and it is shown that all the coupling constants can be expressed in terms of four analytical functions of the quark parameters.
Strong coupling constants of heavy spin-3/2 baryons with light pseudoscalar mesons
Alıyev, Tahmasıb; Savcı, Mustafa (2011-11-01)
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T. Alıyev and M. Savcı, “Vector meson dominance and radiative decays of heavy spin-3/2 baryons to heavy spin-1/2 baryons,”
MODERN PHYSICS LETTERS A
, pp. 0–0, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/49151.