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Quark mass corrections to the perturbative thrust and its effect on the determination of αs

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Abstract

We consider the effects of quark masses to the perturbative thrust in e + e − annihilation. In particular we show that perturbative power corrections resulting from non-zero quark masses considerably alters the size of the non-perturbative power corrections and consequently, significantly changes the fitted value of αs.

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Authors and Affiliations

  1. Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005, Mumbai, India

    Sunanda Banerjee & Rahul Basu

  2. The Institute of Mathematical Sciences, 600 113, Chennai, India

    Rahul Basu

Authors
  1. Sunanda Banerjee
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  2. Rahul Basu
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Banerjee, S., Basu, R. Quark mass corrections to the perturbative thrust and its effect on the determination of αs . Pramana - J Phys 59, 457–464 (2002). https://doi.org/10.1007/s12043-002-0043-2

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  • DOI: https://doi.org/10.1007/s12043-002-0043-2

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