Diffractive $φ$ Production in a Perturbative QCD Model

Details Diffractive $φ$ Production in a Perturbative QCD Model Diffractive $φ$ Production in a Perturbative QCD Model

2000-06-25

arxiv.org/abs/hep-ph/0006284v2

Phys.Rev. D63 (2001) 114023

Physics

High Energy Physics

High Energy Physics - Phenomenology

Text revised, one figure added

Scientific paper

10.1103/PhysRevD.63.114023

The elastic leptoproduction of $\phi$ measured by the H1 collaboration at HERA is described by a perturbative QCD model, based on open $s\bar{s}$ production and parton hadron duality, proposed by Martin et al. We observe that both the total cross section and the ratio of the longitudinal and transverse cross sections are well reproduced with an effective strange-quark mass $m_s \sim 320- 380 $ MeV for various gluon distribution functions. Possible connection of the effective mass and the momentum dependent dynamical mass associated with dynamical breaking of chiral symmetry is also discussed.

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