Two-loop enhancement factor for 1/Q corrections to event shapes in deep inelastic scattering
Mrinal Dasgupta, Bryan R. Webber
Abstract
We compute the two-loop enhancement factors for our earlier one-loop calculations of leading (1/Q) power corrections to the mean values of some event shape variables in deep inelastic lepton scattering. The enhancement is found to be equal to the universal ``Milan factor'' for those shape variables considered, provided the one-loop calculation is performed in a particular way. As a result, the phenomenology of power corrections to DIS event shapes remains largely unaffected.
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