P. Di Nezza

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Measurements of the cross section for exclusive virtual-photoproduction of ρ 0 mesons from hydrogen are reported. The data were collected by the HERMES experiment using 27.5 GeV positrons incident on a hydrogen gas target in the HERA storage ring. The invariant mass W of the photon-nucleon system ranges from 4.0 to 6.0 GeV, while the negative squared(More)
The measurement of primary π ± , K ± , p and p production at mid-rapidity (|y| < 0.5) in proton–proton collisions at √ s = 7 TeV performed with a large ion collider experiment at the large hadron collider (LHC) is reported. Particle identification is performed using the specific ioni-sation energy-loss and time-of-flight information, the ring-imaging(More)
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