Diffractive Vector Mesons in DIS: Meson Structure and QCD
classification
✦ hep-ph
keywords
vectordiffractivemesonmesonspropertiesshrinkagechannelcone
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I review the modern status of QCD theory of diffractive vector meson production with the focus on shrinkage of photons with Q2 and (Q2+mV2)$scaling, j-plane properties of the QCD pomeron and Regge shrinkage of diffraction cone, $s$-channel helicity non-conservation and sensitivity to spin-orbital properties of vector mesons.
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