• On de-globalization in quantum chromodynamics

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/062/03/0675-0678

    • Keywords

       

      Quantum chromodynamics; resummation; jet observables

    • Abstract

       

      The recent discovery and resummation of a class of single logarithmic effects (non-global logs), has a significant impact on several QCD observables ranging from the classic Sterman-Weinberg jet definition to currently studied event shapes and rapidity gap observables. The discovery of the above effects overturns, for example, the common wisdom that hadronic energy flow in limited inter-jet regions is dictatedprimarily by the colour flow of the underlying hard partonic subprocess. We discuss some features of non-global logs and the rapid progress being made in estimating and controlling such corrections.

    • Author Affiliations

       

      Mrinal Dasgupta1

      1. Theory Division, CERN, Geneva 23 - CH-1211, Switzerland
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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