Heavy quark production at the Fermilab Tevatron and DESY ep collider HERA using k(t) factorization with the CCFM evolution approach
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The application of k(t) factorization supplemented with the Ciafaloni-Catani-Fiorani-Marchesini (CCFM) small-x evolution equation to heavy quark production at the Fermilab Tevatron and at DESY HERA is discussed. The b (b) over bar production cross sections at the Tevatron can be consistently described using the k(t)-factorization formalism together with the unintegrated gluon density obtained within the CCFM evolution approach from a fit to HERA F-2 data. Special attention is drawn to the comparison with measured visible cross sections, which are compared to the hadron level Monte Carlo generator CASCADE.