2007/02/28 by Cai-Dian Lü, Cai-Dian Lu, Wei Wang +1
Computer Science · Physics and Astronomy · #Computer science #Cryptography and Data Security #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevd.75.094020
published as Phys.Rev.D75:094020,2007 · 17 pages, including 5 figures, Revtex4
arxiv created 2007/04/03 · openalex publication_date 2007/05/24 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The exclusive processes e+e^\ensuremath-\ensuremath→VP, in the region of which the final state meson momentum is much larger than the hadronic scale \ensuremathΛQCD, are studied in the framework of the perturbative quantum chromodynamics (PQCD) approach based on the kT 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 √(s)=10.58 GeV. The s dependence of the cross section has been directly studied and our result indicates that the 1/s3 scaling is more favored than 1/s4. We also find that the gluonic contribution for the processes involving \ensuremathη^(^\ensuremath') is tiny.