Light vector meson production at HERA

被引：0

作者：

Proskuryakov, A ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119899, Russia

来源：

NEW TRENDS IN HERA PHYSICS 1999 | 2000年 / 546卷

关键词：

D O I：

暂无

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Recent results from HERA on exclusive vector meson production are reviewed. The diffractive reaction gamma*p --> Vp (V = rho(0), omega.phi) has been measured at photon-proton centre-of-mass energies 20 < W < 160 GeV, for photon virtualities Q(2) < 60 GeV2 and for \t\ up to 11 GeV2, where t is the square of the four-momentum transferred at the proton vertex. The gamma*p --> Vp cross section as a function of W, Q(2) and t is presented. The polarisation properties of the rho(0) produced at low and high Q(2) are discussed. The data are compared with perturbative QCD calculations.

引用

页码：337 / 348

页数：12

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