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  • Cross sections for elastic and proton-dissociative photoproduction of J/psi mesons are measured with the H1 detector in positron-proton collisions at HERA. The data were collected at ep centre-of-mass energies root s approximate to 318 GeV and root s approximate to 225 GeV, corresponding to integrated luminosities of L = 130 pb(-1) and L = 10.8 pb(-1), respectively. The cross sections are measured as a function of the photon-proton centre-of-mass energy in the range 25 < W-gamma p < 110 GeV. Differential cross sections d sigma/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range vertical bar t vertical bar < 1.2 GeV2 for the elastic process and vertical bar t vertical bar < 8 GeV2 for proton dissociation. The results are compared to other measurements. The W-gamma p and t-dependences are parametrised using phenomenological fits.
  • Cross sections for elastic and proton-dissociative photoproduction of J/psi mesons are measured with the H1 detector in positron-proton collisions at HERA. The data were collected at ep centre-of-mass energies root s approximate to 318 GeV and root s approximate to 225 GeV, corresponding to integrated luminosities of L = 130 pb(-1) and L = 10.8 pb(-1), respectively. The cross sections are measured as a function of the photon-proton centre-of-mass energy in the range 25 < W-gamma p < 110 GeV. Differential cross sections d sigma/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range vertical bar t vertical bar < 1.2 GeV2 for the elastic process and vertical bar t vertical bar < 8 GeV2 for proton dissociation. The results are compared to other measurements. The W-gamma p and t-dependences are parametrised using phenomenological fits. (en)
Title
  • Elastic and proton-dissociative photoproduction of J/ψ mesons at HERAψ
  • Elastic and proton-dissociative photoproduction of J/ψ mesons at HERAψ (en)
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  • Elastic and proton-dissociative photoproduction of J/ψ mesons at HERAψ
  • Elastic and proton-dissociative photoproduction of J/ψ mesons at HERAψ (en)
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  • RIV/68378271:_____/13:00427534!RIV15-AV0-68378271
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  • I, P(LA09042), P(LC527)
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  • 6
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  • 72277
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  • RIV/68378271:_____/13:00427534
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  • cross section; photoproduction; meson J/ψ; H1 detector; HERA (en)
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  • DE - Spolková republika Německo
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  • [1DC746181C15]
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  • European Physical Journal C
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  • 73
http://linked.open...iv/tvurceVysledku
  • Cvach, Jaroslav
  • Zálešák, Jaroslav
  • Reimer, Petr
  • Alexa, C.
  • Andreev, V.
  • Hladký, Jan
  • Baghdasaryan, A.
http://linked.open...ain/vavai/riv/wos
  • 000321855400021
issn
  • 1434-6044
number of pages
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  • 10.1140/epjc/s10052-013-2466-y
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