English

QCD effects and $b$-tagging at LEP I

High Energy Physics - Phenomenology 2014-11-17 v1

Abstract

We analyze the impact of using bb-tagged samples in studying non-Abelian effects due to QCD in e+e\ar4e^+e^-\ar 4jet events at s=MZ0\sqrt s=M_{Z^0}, using angular variable analyses and comparisons with e+e\ar3\mboxjetγe^+e^-\ar 3 \mbox{jet}\gamma events. We find that QCD effects are largely enhanced in bb-quark samples with respect to `unflavoured' ones, where energy-ordering is used to distinguish between gluon and quark jets. We show that the bb-quark mass influences the angular distributions significantly and should not be neglected

Keywords

Cite

@article{arxiv.hep-ph/9503354,
  title  = {QCD effects and $b$-tagging at LEP I},
  author = {S. Moretti and J. B. Tausk},
  journal= {arXiv preprint arXiv:hep-ph/9503354},
  year   = {2014}
}

Comments

16 pages, latex, 11 figures appended (tarred and uuencoded), the complete paper is available via anonymous ftp at ftp://cpt1.dur.ac.uk/pub/preprints/dtp94/dtp94104/ (get dtp94104_*.ps)

R2 v1 2026-07-22T14:25:05.383Z