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Jul 4 – 11, 2012
Melbourne Convention and Exhibition Centre
Australia/Melbourne timezone
ICHEP2012 - 36th International Conference for High Energy Physics

Exclusive VM production at HERA

Jul 7, 2012, 4:30 PM
15m
Room 217 (Melbourne Convention and Exhibition Centre)

Room 217

Melbourne Convention and Exhibition Centre

Melbourne Australia
Parallel Sessions Track 6. QCD, Jets, Parton Distributions Room 217 - Education & Outreach - QCD, Jet, Parton Distributions - TR15&6

Speaker

Prof. Sampa Bhadra (York University)

Description

The exclusive photoproduction reaction gamma p -> Upsilon(1S) p has been studied with the ZEUS detector in ep collisions at HERA.The exclusive electroproduction of two pions in the mass range 0.4 < M(pipi) < 2.5 GeV has also been studied with the ZEUS detector at HERA. The two-pion invariant-mass distribution is interpreted in terms of the pion electromagnetic form factor, |F(M(pipi)|, assuming that the studied mass range includes the contributions of the rho, rho' and rho'' vector-meson states.Results from exclusive diffractive photoproduction of J/psi mesons as measured with the H1 detector at the electron-proton collider HERA will be shown. Differential cross sections will be presented as a function of t, the squared four-momentum transfer at the proton vertex, and of W_gammap in the kinematical range of low photon virtualities of Q^2 < 2.5 GeV^2.

Primary author

Prof. Sampa Bhadra (York University)

Presentation materials