Analysis of gamma(*) Lambda -> Sigma(0) transition in QCD

Download

index.pdf

Date

2013-05-20

Author

Alıyev, Tahmasıb
Savcı, Mustafa

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

270
views

78
downloads

The gamma(*) Lambda -> Sigma(0) transition form factors are investigated within the light- cone QCD sum rules method. Using the most general form of the interpolating current of Sigma(0) baryon and the distribution amplitudes of baryon we calculate the Q(2) dependence of the electromagnetic form factors. Our results are compared with the predictions of the covariant spectator quark model.

Subject Keywords

Nuclear and High Energy Physics

URI

https://hdl.handle.net/11511/39379

Journal

PHYSICAL REVIEW D

DOI

https://doi.org/10.1103/physrevd.87.096013

Collections

Department of Physics, Article

Suggestions

OpenMETU
Core

Analysis of heavy spin-3/2 baryon-heavy spin-1/2 baryon-light vector meson vertices in QCD Alıyev, Tahmasıb; Savcı, Mustafa (American Physical Society (APS), 2011-05-16) The heavy spin-3/2 baryon-heavy spin-1/2 baryon vertices with light vector mesons are studied within the light cone QCD sum rules method. These vertices are parametrized in terms of three coupling constants. These couplings are calculated for all possible transitions. It is shown that correlation functions for these transitions are described by only one invariant function for every Lorenz structure. The obtained relations between the correlation functions of the different transitions are structure independe...
General analysis of polarization phenomena in inclusive and semi-inclusive radiative decays of B mesons Pak, Namık Kemal; Rekalo, MP; Yilmaz, T (IOP Publishing, 2000-07-01) Polarization characteristics of photons produced in inclusive and semi-inclusive radiative decays of B mesons, B --> gamma + X-s, B --> gamma + h + X', are described in a general model-independent framework, using the structure function formalism.
Analysis of rare B -> K-0(*)(1430)l(+)l(-) decay within QCD sum rules Azizi, K.; Alıyev, Tahmasıb; Savcı, Mustafa (American Physical Society (APS), 2007-10-01) Form factors of rare B -> K-0(*)(1430)l(+)l(-) decay are calculated within three-point QCD sum rules, with K-0(*)(1430) being the p-wave scalar meson. The branching ratios are estimated when only short, as well as short and long distance effects, are taken into account. It is obtained that the B -> K-0(*)(1430)l(+)l(-) (l=e, mu) decay is measurable at LHC. Measurement of these branching ratios for the semileptonic rare B -> K-0(*)(1430)l(+)l(-) can give valuable information about the nature of scalar meson ...
Strong coupling constants of decuplet baryons with vector mesons Alıyev, Tahmasıb; Savcı, Mustafa (American Physical Society (APS), 2010-11-10) We provide a comprehensive study of strong coupling constants of decuplet baryons with light nonet vector mesons in the framework of light cone QCD sum rules. Using the symmetry arguments, we argue that all coupling constants entering the calculations can be expressed in terms of only one invariant function even if the SU(3)(f) symmetry breaking effects are taken into account. We estimate the order of SU(3)(f) symmetry violations, which are automatically considered by the employed approach.
Light cone QCD sum rules analysis of the axial N ->Delta transition form factors Alıyev, Tahmasıb; Özpineci, Altuğ (Elsevier BV, 2008-02-01) The axial N - Delta(1232) transition form factors are calculated within the light cone QCD sum rules method. A comparison of our results with the predictions of lattice theory and quark model is presented.

Citation Formats

T. Alıyev and M. Savcı, “Analysis of gamma(*) Lambda -> Sigma(0) transition in QCD,” PHYSICAL REVIEW D, pp. 0–0, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39379.