Axial vector transition form factors of N -> Delta in QCD

Download

1-s2.0-S0550321316302942-main.pdf

Date

2016-12

Author

Küçükarslan, Ayşe
Özdem, Ulaş
Özpineci, Altuğ

Metadata

Show full item record

Item Usage Stats

376
views

144
downloads

The isovector axial vector form factors of N -> Delta transition are calculated by employing Light-cone QCD sum rules. The analytical results are analyzedby both the conventional method, and also by a Monte Carlo based approach which allows one to scan all of the parameter space. The predictions are also compared with the results in the literature, where available. Although the MonteCarlo analysis predicts large uncertainties in the predicted results, the predictions obtained by the conventional analysis are in good agreement with other results in the literature. (C) 2016 The Author(s). Published by Elsevier B.V.

Subject Keywords

Light-Cone QCD, Sum-Rules, Pion Production, Nucleon, Baryons, Decays

URI

https://hdl.handle.net/11511/52408

Journal

NUCLEAR PHYSICS B

DOI

https://doi.org/10.1016/j.nuclphysb.2016.09.019

Collections

Department of Physics, Article

Suggestions

OpenMETU
Core

Isovector axial vector and pseudoscalar transition form factors of Delta in QCD KÜÇÜKARSLAN, AYŞE; Ozdem, U.; Özpineci, Altuğ (2014-09-03) We investigate the isovector axial vector and pseudoscalar form factors of Delta baryon by employing light-cone QCD sum rules. Numerical calculations show that the form factors can be well fitted by the exponential form. We make a comparison with the predictions of lattice QCD, chiral perturbation theory and quark model.
Tensor form factors of B -> K-1 transition from QCD light cone sum rules Alıyev, Tahmasıb; Savcı, Mustafa (Elsevier BV, 2011-05-30) The tensor form factors of B into p-wave axial vector meson transition are calculated within light cone QCD sum rules method. The parametrizations of the tensor form factors based on the series expansion are presented.
Isovector axial vector form factors of octet-decuplet hyperon transition in QCD KÜÇÜKARSLAN, AYŞE; Ozdem, U.; Özpineci, Altuğ (2015-01-01) We calculate the isovector axial vector form factors of the octet-decuplet hyperon transitions within the framework of the light-cone QCD sum rules to leading in QCD and including higher-twist corrections. In particular, we motivate the most recent version of the Sigma and Lambda baryons distribution amplitudes, which are examined up to twist-6 based on conformal symmetry of the massless QCD Lagrangian.
Pseudospin and spin symmetry in the Dirac equation with Woods-Saxon potential and tensor potential AYDOĞDU, OKTAY; Sever, Ramazan (2010-01-01) The Dirac equation is solved approximately for the Woods-Saxon potential and a tensor potential with the arbitrary spin-orbit coupling quantum number kappa under pseudospin and spin symmetry. The energy eigenvalues and the Dirac spinors are obtained in terms of hypergeometric functions. The energy eigenvalues are calculated numerically.
Vector meson dominance and radiative decays of heavy spin-3/2 baryons to heavy spin-1/2 baryons Alıyev, Tahmasıb; Savcı, Mustafa (2012-04-10) 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.

Citation Formats

A. Küçükarslan, U. Özdem, and A. Özpineci, “Axial vector transition form factors of N -> Delta in QCD,” NUCLEAR PHYSICS B, pp. 132–150, 2016, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/52408.