mb​ at mH​: The Running Bottom Quark Mass and the Higgs Boson

Javier Aparisi, Juan Fuster, Adrian Irles, German Rodrigo, Marcel Vos (Corresponding author), Hitoshi Yamamoto, André H. Hoang, Christopher Lepenik, Michael Spira, Seidai Tairafune, Ryo Yonamine

Publications: Contribution to journalArticlePeer Reviewed

Abstract

We present a new measurement of the bottom quark mass in the MSbar scheme at the renormalization scale of the Higgs boson mass from measurements of Higgs boson decay rates at the LHC: mb(mH ) = 2.60+0.36−0.31 GeV. The measurement has a negligible theory uncertainty and excellent prospects to improve at the HL-LHC and a future Higgs factory. Confronting this result, and mb(mb) from low-energy measurements and mb(mZ ) from Z−pole data, with the prediction of the scale evolution of the renormalization group equations, we find strong evidence for the ”running” of the bottom quark mass.
Original languageEnglish
Article number122001
Number of pages7
JournalPhysical Review Letters
Volume128
Issue number12
DOIs
Publication statusPublished - 25 Mar 2022

Austrian Fields of Science 2012

  • 103034 Particle physics

Keywords

  • ANOMALOUS DIMENSION
  • CORRELATOR
  • DELPHI DETECTOR
  • E(+)E(-)
  • HADRONIC DECAY WIDTH
  • QCD CORRECTIONS
  • RADIATIVE-CORRECTIONS
  • SCALAR CURRENTS
  • SCATTERING
  • TO-LEADING-ORDER

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