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Ds0DK vertex in QCD sum rules |
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| Authors: | N. Ghahramany R. Khosravi S. Janipour |
| Affiliation: | 1. Physics Department and Biruni observatory, Shiraz University, Shiraz, 71454, Iran 2. Department of Physics, Isfahan University of Technology, Isfahan, 84156-83111, Iran 3. Department of Physics, College of science, Shiraz University, Shiraz, 71454, Iran |
| Abstract: | We calculate the form factors and the coupling constant in the Ds0DK vertex in the framework of QCD sum rules. We evaluate the three point correlation functions of the vertex considering both D and K mesons off-shell. The form factors obtained are very different but give the same coupling constant. |
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