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g(KAN) and g(K Sigma N) coupling constants in light cone QCD sum rules
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Date
2000-04-01
Author
Alıyev, Tahmasıb
Savcı, Mustafa
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The strong coupling constants g(K Lambda N) and g(K Sigma N) for the structure sigma(mu nu)gamma(5) are calculated within light-cone QCD sum rules. A comparison of our results on these couplings with predictions from traditional QCD sum rules is presented.
Subject Keywords
Quantum chromodynamics
,
Asymptotic-behavior
,
Exclusive processes
,
Form-factors
,
Decays
,
Factorization
,
Breaking
,
Misuse
URI
https://hdl.handle.net/11511/46601
Journal
PHYSICAL REVIEW C
DOI
https://doi.org/10.1103/physrevc.61.045201
Collections
Department of Physics, Article
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Heavy chi(Q) (2) tensor mesons in QCD
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The masses and decay constants of the ground state heavy chi(Q2) (Q = b, c) tensor mesons are calculated in the framework of the QCD sum rules approach. The obtained results on the masses are in good consistency with the experimental values. Our predictions on the decay constants can be verified in the future experiments.
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Alıyev, Tahmasıb; Savcı, Mustafa (2000-01-01)
We calculate the pi Sigma Lambda and pi Sigma Sigma coupling constants in light cone QCD sum rules for the structure sigma(alpha beta)gamma(5)p(alpha)q(beta). A comparison of our results on these coupling constants with the predictions of SU(6) symmetry is presented.
Radiative Delta -> N gamma decay in light cone QCD
Alıyev, Tahmasıb; Savcı, Mustafa (1999-12-01)
The g(Delta N gamma) coupling for the Delta-->N gamma decay is calculated in the framework of the light cone QCD sum rules and is found to be g(Delta N gamma)=(1.6+/-0.2) GeV-1. Using this value of g(Delta N gamma) we estimate the branching ratio of the Delta(+)-->N gamma decay, which is in a very good agreement with the experimental result. [S0556-2821(99)02023-8].
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T. Alıyev and M. Savcı, “g(KAN) and g(K Sigma N) coupling constants in light cone QCD sum rules,”
PHYSICAL REVIEW C
, pp. 0–0, 2000, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/46601.