Charm production at HERA

PHYSICS LETTERS B（1999）

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摘要

The ZEUS data on the charm structure function F-2(c) at small x fit well to a single power of x, corresponding to the exchange of a hard pomeron that is flavour-blind. When combined with the contribution from the exchange of a soft pomeron, the hard pomeron gives a good description of elastic J/psi photoproduction. (C) 1999 Elsevier Science B.V. All rights reserved.

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structure function

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