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Summations by parton showers of large logarithms in electron-positron annihilation

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arxiv 2011.04777 v2 pith:O7JEN577 submitted 2020-11-09 hep-ph

classification hep-ph
keywords distributionpartonshowerannihilationelectron-positronlargelogarithmsalgorithms
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In a companion publication, we have explored how to examine the summation of large logarithms in a parton shower. Here, we apply this general program to the thrust distribution in electron-positron annihilation, using several shower algorithms. The method is to work with an appropriate integral transform of the distribution for the observable of interest. Then, we reformulate the parton shower calculation so as to obtain the transformed distribution as an exponential for which we can compute the terms in the perturbative expansion of the exponent.

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Cited by 2 Pith papers

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

  1. Exploring soft anomalous dimensions for $1/Q$ power corrections

    hep-ph 2024-11 conditional novelty 8.0 of 10

    The leading logarithmic correction to the 1/Q power correction for thrust and C-parameter is computed, with a sizeable coefficient S1 ≈ 2.455 and a universal C-to-thrust ratio of 3π/2.

  2. Soft-gluon coupling and the TMD parton branching Sudakov form factor

    hep-ph 2024-12 conditional novelty 6.0 of 10

    The parton branching TMD framework is upgraded from NLL to NNLL accuracy using the soft-gluon physical coupling, with the Collins-Soper kernel evaluated at NNLL.

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