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pentaquarks in QCD sum rules

✍ Scribed by Philipp Gubler; Daisuke Jido; Toru Kojo; Tetsuo Nishikawa; Makoto Oka


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
155 KB
Volume
835
Category
Article
ISSN
0375-9474

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We calculate the form factors and the coupling constant in the D \* Dρ vertex in the framework of QCD sum rules. We evaluate the three-point correlation functions of the vertex considering D, ρ and D \* mesons off-shell. The form factors obtained are very different but give the same coupling constan