English

Beautiful Mirrors at the LHC

High Energy Physics - Phenomenology 2015-03-17 v2 High Energy Physics - Experiment

Abstract

We explore the "Beautiful Mirrors" model, which aims to explain the measured value of AFBbA^b_{FB}, discrepant at the 2.9σ2.9\sigma level. This scenario introduces vector-like quarks which mix with the bottom, subtly affecting its coupling to the ZZ. The spectrum of the new particles consists of two bottom-like quarks and a charge -4/3 quark, all of which have electroweak interactions with the third generation. We explore the phenomenology and discovery reach for these new particles at the LHC, exploring single mirror quark production modes whose rates are proportional to the same mixing parameters which resolve the AFBbA_{FB}^b anomaly. We find that for mirror quark masses 500GeV,a14TeVLHCwith300fb1\lesssim 500 GeV, a 14 TeV LHC with 300 {\rm fb}^{-1} is required to reasonably establish the scenario and extract the relevant mixing parameters.

Keywords

Cite

@article{arxiv.1004.4895,
  title  = {Beautiful Mirrors at the LHC},
  author = {Kunal Kumar and William Shepherd and Tim M. P. Tait and Roberto Vega-Morales},
  journal= {arXiv preprint arXiv:1004.4895},
  year   = {2015}
}

Comments

version to be published in JHEP

R2 v1 2026-06-21T15:15:38.408Z