Effective Charges, Event Shapes and Power Corrections

Details Effective Charges, Event Shapes and Power Corrections Effective Charges, Event Shapes and Power Corrections

2006-07-04

arxiv.org/abs/hep-ph/0607039v1

ECONFC0601121:T001,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 7 figures, FRIF Workshop on First Principles Non-Perturbative QCD of Hadron Jets

Scientific paper

We introduce and motivate the method of effective charges, and consider how to implement an all-orders resummation of large kinematical logarithms in this formalism. Fits for QCD \Lambda and power corrections are performed for the e+e- event shape observables 1-thrust and heavy-jet mass, and somewhat smaller power corrections found than in the usual approach employing the ``physical scale'' choice.

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