J/ψproduction through resolved photon processes ate+e−colliders

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ID: 270176
2002
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Abstract
We consider J/psi photoproduction in e+ e- as well as linear photon colliders. We find that the process is dominated by the resolved photon channel. Both the once-resolved and twice-resolved cross-sections are sensitive to (different combinations of) the colour octet matrix elements. Hence, this may be a good testing ground for colour octet contributions in NRQCD. On the other hand, the once-resolved J/psi production cross-section, particularly in a linear photon collider, is sensitive to the gluon content of the photon. Hence these cross-sections can be used to determine the parton distribution functions, especially the gluon distribution, in a photon, if the colour octet matrix elements are known.Comment: Added a figure on parametrisation dependence of photonic parton densities and some reference
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krämer2002physicalj/ψproduction Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors R. M. Godbole,D. Indumathi,M. Krämer;R. M. Godbole;D. Indumathi;M. Krämer;
Journal physical review d
Year 2002
DOI
10.1103/physrevd.65.074003
URL
https://sciprofiles.com/publication/view/4152c8313dd618ebf71df984439a9ee9
Keywords
matrix elements parton resolved photon photon colliders octet matrix twice resolved linear photon

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