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Resummed event-shape variables in DIS

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arxiv hep-ph/0208073 v1 pith:EIHOO3GA submitted 2002-08-07 hep-ph

Mrinal Dasgupta , Gavin P. Salam This is my paper · ORCID
classification hep-ph
keywords datadistributionsevent-shapeobservablesresultsresummedthrustalpha
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We complete our study of resummed event-shape distributions in DIS by presenting results for the class of observables that includes the current jet mass, the C-parameter and the thrust with respect to the current-hemisphere thrust axis. We then compare our results to data for all observables for which data exist, fitting for alpha_s and testing the universality of non-perturbative 1/Q effects. A number of technical issues arise, including the extension of the concept of non-globalness to the case of discontinuous globalness; singularities and non-convergence of distributions other than in the Born limit; methods to speed up fixed-order Monte Carlo programs by up to an order of magnitude, relevant when dealing with many x and Q points; and the estimation of uncertainties on the predictions.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Centauric 1-Jettiness in DIS and Universal Power Corrections

    hep-ph 2026-06 unverdicted novelty 7.0 of 10

    Introduces Centauric 1-jettiness in DIS, derives N3LL resummation matched to NLO, and establishes universal non-perturbative power corrections scaling as 1/R via reduction to rescaled hemisphere soft function.

  2. Jet Charge with Global Event Shapes: Probing Quark Flavor Dynamics

    hep-ph 2025-12 unverdicted novelty 7.0 of 10

    A factorization theorem is derived for the joint measurement of 1-jettiness and jet charge in DIS, introducing a new universal charged jet function that enhances quark flavor separation in initial-state PDFs and probe...

  3. Second-order QCD corrections to event shape distributions in deep inelastic scattering

    hep-ph 2019-09 accept novelty 7.0 of 10

    The NNLO QCD corrections to DIS event shape distributions and their mean values are computed for the first time, reducing scale uncertainties and improving the description of H1 and ZEUS data.

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