Exclusive processes $e^+e^-\to VP$ in $k_T$ factorization

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dc.creatorLu, Cai-Dian
dc.creatorWang, Wei
dc.creatorWang, Yu-Ming
dc.date2007-02-08
dc.date2007-04-03
dc.date.accessioned2026-07-07T11:59:02Z
dc.date.available2026-07-07T11:59:02Z
dc.descriptionThe exclusive processes $e^+e^-\to VP$, in the region of which the final state meson momentum is much larger than the hadronic scale $Λ_{QCD}$, are studied in the framework of PQCD approach based on the $k_T$ factorization. Including the transverse momentum distribution in the light cone wave functions, our results are consistent with the experimental measurements. According to our results, many processes have large enough cross sections to be detected at $\sqrt s=10.58$ GeV. The $s$ dependence of the cross section has been directly studied and our result indicates that the $1/s^3$ scaling is more favored than $1/s^4$. We also find that the gluonic contribution for the processes involving $η^{(')}$ is tiny.
dc.description17 pages, including 5 figures, Revtex4
dc.identifierhttps://arxiv.org/abs/hep-ph/0702085
dc.identifierhttp://arxiv.org/abs/hep-ph/0702085
dc.identifierPhys.Rev.D75:094020,2007
dc.identifierdoi:10.1103/PhysRevD.75.094020
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206427
dc.subjectHigh Energy Physics - Phenomenology
dc.titleExclusive processes $e^+e^-\to VP$ in $k_T$ factorization
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