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19 April 2024 |
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$alpha_s$(2019): Precision measurements of the QCD coupling | David d'Enterria
; Stefan Kluth
; S. Alekhin
; P. A. Baikov
; A. Banfi
; F. Barreiro
; A. Bazavov
; S. Bethke
; J. Blümlein
; D. Boito
; N. Brambilla
; D. Britzger
; S. J. Brodsky
; S. Camarda
; K. G. Chetyrkin
; D. d'Enterria
; M. Dalla Brida
; X. Garcia i Tormo
; M. Golterman
; R. Horsley
; J. Huston
; M. Jamin
; A. Kardos
; A. Keshavarzi
; S. Kluth
; J. Kühn
; K. Maltman
; R. Miravitllas
; S.-O. Moch
; P. F. Monni
; D. Nomura
; T. Onogi
; R. Pérez-Ramos
; S. Peris
; P. Petreczky
; J. Pires
; A. Poldaru
; K. Rabbertz
; F. Ringer
; S. Sint
; R. Sommer
; G. Somogyi
; J. Soto
; Z. Szőr
; H. Takaura
; T. Teubner
; Z. Trócsányi
; Z. Tulipánt
; A. Vairo
; A. Verbytskyi
; J.H. Weber
; X. Weichen
; G. Zanderighi
; | Date: |
2 Jul 2019 | Abstract: | This document collects a written summary of all contributions presented at
the workshop "$alpha_s$(2019): Precision measurements of the strong coupling"
held at ECT* (Trento) in Feb. 11--15, 2019. The workshop explored in depth the
latest developments on the determination of the QCD coupling $alpha_s$ from
the key categories where high precision measurements are available: (i) lattice
QCD, (ii) hadronic $ au$ decays, (iii) deep-inelastic scattering and parton
distribution functions, (iv) event shapes, jet cross sections, and other
hadronic final-states in $e^+e^-$ collisions, (v) Z boson and W boson hadronic
decays, and (vi) hadronic final states in p-p collisions. The status of the
current theoretical and experimental uncertainties associated to each
extraction method, and future perspectives were thoroughly reviewed. Novel
$alpha_s$ determination approaches were discussed, as well as the combination
method used to obtain a world-average value of the QCD coupling at the Z mass
pole. | Source: | arXiv, 1907.1435 | Services: | Forum | Review | PDF | Favorites |
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