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Photoproduction of Vector Meson ø off Deuteron in QCD Inspired Model
Authors:MENG Cheng-Ju  PAN Ji-Huan  PENG Jin-Song  MA Wei-Xing  YUAN Tong-Quan
Institution:1.Department of Physics and Electronic Engineering, Hechi College, Yizhou 546300, China ;2.Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing 100049, China
Abstract:Based on the quark-gluon contents of nucleon and strongly believing that the force mediators, Pomeron and its counterpart in the conventional approach of Regge theory, for high energy diffractive process would be the tensor glueball and Odderonrespectively, we discuss photo-production of vector meson ø off the deuteron at energy less than 3 GeV in the QCD inspired model in which the quark gluon degrees of freedom and glueball, Odderon exchange are taken into account. A calculation isperformed for γ+D → ø+D, and the theoretical predictions of the differential cross section dσ γD/dt, are presented and compared with available experimental data. Our QCD inspired model reproduces data quite well in the whole range of the experimental measurements up to |t|≌ 0.4~GeV. Our results can be used toextract γn →øn data, which cannot be measured in experiment.
Keywords:photoproduction of vector meson    QCD generalized vector meson dominance model  QCD  
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