The helicity structure of the diffractive electroproduction of rho mesons, e + p --> e + rho + Y, is studied in a previously unexplored region of large four-momentum transfer squared at the proton vertex, t: 0 < t' < 3 GeV2, where t' = \t\ - \t\ min. The data used are collected with the HI detector at HERA in the kinematic domain 2.5 < Q(2) < 60 GeV2, 40 < W < 120 GeV No t dependence of the r(00)(04) spin density matrix element is found. A significant t dependent helicity non-conservation from the virtual photon to the rho meson is observed for the spin density matrix element combinations r(00)(5) + 2r(11)(5) and r(00)(1) + 2r(11)(1). These t dependences are consistently described by a perturbative QCD model based on the exchange of two glu...
The subject of this thesis is the study of diffractive #rho# vector meson production at the electron...
120 pages, 48 figures, 57 tablesDiffractive electroproduction of rho and phi mesons is measured at H...
This thesis consists in an analysis of data collected by the H1 detector at the electron-proton coll...
The helicity structure of the diffractive electroproduction of rho mesons, e + p --> e + rho + Y, is...
The helicity structure of the diffractive electroproduction of #rho# mesons, e+p #-># e+#rho#+Y, ...
The diffractive photoproduction of rho mesons, e p \to e rho Y, with large momentum transfer squared...
19 pages, 5 figures, 2 tables - Subm. to Phys. Lett. BThe diffractive photoproduction of rho mesons,...
The diffractive photoproduction of rho mesons, ep -> e rho Y, with large momentum transfer squared a...
The subject of this thesis is the study of diffractive #rho# vector meson production at the electron...
120 pages, 48 figures, 57 tablesDiffractive electroproduction of rho and phi mesons is measured at H...
This thesis consists in an analysis of data collected by the H1 detector at the electron-proton coll...
The helicity structure of the diffractive electroproduction of rho mesons, e + p --> e + rho + Y, is...
The helicity structure of the diffractive electroproduction of #rho# mesons, e+p #-># e+#rho#+Y, ...
The diffractive photoproduction of rho mesons, e p \to e rho Y, with large momentum transfer squared...
19 pages, 5 figures, 2 tables - Subm. to Phys. Lett. BThe diffractive photoproduction of rho mesons,...
The diffractive photoproduction of rho mesons, ep -> e rho Y, with large momentum transfer squared a...
The subject of this thesis is the study of diffractive #rho# vector meson production at the electron...
120 pages, 48 figures, 57 tablesDiffractive electroproduction of rho and phi mesons is measured at H...
This thesis consists in an analysis of data collected by the H1 detector at the electron-proton coll...