Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-08-07
JHEP 0309 (2003) 056
Physics
High Energy Physics
High Energy Physics - Phenomenology
31 pages, 4 figures, 2 tables
Scientific paper
10.1088/1126-6708/2003/09/056
We calculate resummed perturbative predictions for gaps-between-jets processes and compare to HERA data. Our calculation of this non-global observable needs to include the effects of primary gluon emission (global logarithms) and secondary gluon emission (non-global logarithms) to be correct at the leading logarithm (LL) level. We include primary emission by calculating anomalous dimension matrices for the geometry of the specific event definitions and estimate the effect of non-global logarithms in the large $N_c$ limit. The resulting predictions for energy flow observables are consistent with experimental data.
Appleby R. B.
Seymour Michael H.
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