Exclusive production of vector mesons in γp and pp collisions
نویسندگان
چکیده
منابع مشابه
Exclusive Production of Vector Mesons in Qcd
We compare results of our studies [1,2] on vector meson production within the QCD factorization at next-to-leading order with HERA data. 1 Introduction The exclusive vector meson V electro-and photo-productions in photon-proton collisions , γ p → V p, are the subject of HERA collider experiments. The primary motivation for the interests in these processes, both for the light ρ−meson electro-pro...
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The search for Higgs boson is the primary task for the LHC collider being now constructed at CERN. Although the predicted cross section is not small it may not be easy to discover Higgs in inclusive reaction due to large background in each of the final channel considered. An alternative way is to search for Higgs in exclusive or semi-exclusive reactions with large rapidity gaps. Kaidalov, Khoze...
متن کاملInterference in exclusive vector meson production in heavy-Ion collisions
Vector mesons are produced copiously in peripheral relativistic heavy-ion collisions. Virtual photons from one ion can fluctuate into quark-antiquark pairs and scatter from the second ion, emerging as vector mesons. The emitter and target are indistinguishable, so emission from the two ions will interfere. Vector mesons have negative parity so the interference is destructive, reducing the produ...
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Exclusive vector meson production reactions such as Au + Au → Au + Au + V, where V = ρ, ω, φ or J/ψ can proceed through photon-Pomeron and photon-meson interactions. Photons from the electromagnetic field of one nucleus interact coherently with the other nucleus. Photonuclear cross sections are scaled from γp data, and convoluted with the photon spectrum to find the exclusive rates. The cross s...
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Using an eikonal analysis, we examine the validity of the factorization theorem for nucleon-nucleon, γp and γγ collisions. As an example, using the additive quark model and meson vector dominance, we directly show that for all energies and values of the eikonal, that the factorization theorem σnn/σγp = σγp/σγγ holds. We can also compute the survival probability of large rapidity gaps in high en...
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ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 2011
ISSN: 0920-5632
DOI: 10.1016/j.nuclphysbps.2011.10.071