Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-02-22
Eur.Phys.J.C10:107-119,1999
Physics
High Energy Physics
High Energy Physics - Phenomenology
34 pages, LaTeX, 7 eps figures, uses amssymb, axodraw (included) and epsfig styles
Scientific paper
10.1007/s100529900116
Charged current charm and D meson production is studied in detail as a means of determining the unpolarized and polarized strange sea densities at HERA. All analyses are performed in next-to-leading order QCD, including a calculation of the so far unknown spin-dependent MSbar coefficient functions up to O(alpha_s). It is shown that a decent measurement is possible in the unpolarized case, provided a sufficient luminosity can be reached in the future, while for longitudinally polarized beams it appears to be extremely challenging due to limitations imposed on the expected statistical accuracy by the charm detection efficiency.
Kretzer Stefan
Stratmann Marco
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