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Title: Light quark Yukawa couplings from Higgs kinematics

Abstract

We show that the normalized Higgs production pT and yh distributions are sensitive probes of Higgs couplings to light quarks. For up and/or down quark Yukawa couplings comparable to the SM b quark Yukawa the $$\bar{u}u$$ or $$\bar{d}d$$ fusion production of the Higgs could lead to appreciable softer pT distribution than in the SM. The rapidity distribution, on the other hand, becomes more forward. Here, we find that, owing partially to a downward fluctuation, one can derive competitive bounds on the two couplings using ATLAS measurements of normalized pT distribution at 8TeV. With 300 fb-1 at 13TeV LHC one could establish flavor non-universality of the Yukawa couplings in the down sector.

Authors:
 [1];  [1];  [2]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Center for Theoretical Physics
  2. Univ. of Cincinnati, OH (United States)
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
OSTI Identifier:
1368072
Grant/Contract Number:  
SC0012567; SC0011090; PHY-1151392
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 12; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Higgs Physics; Quark Masses and SM Parameters

Citation Formats

Soreq, Yotam, Zhu, Hua Xing, and Zupan, Jure. Light quark Yukawa couplings from Higgs kinematics. United States: N. p., 2016. Web. doi:10.1007/JHEP12(2016)045.
Soreq, Yotam, Zhu, Hua Xing, & Zupan, Jure. Light quark Yukawa couplings from Higgs kinematics. United States. https://doi.org/10.1007/JHEP12(2016)045
Soreq, Yotam, Zhu, Hua Xing, and Zupan, Jure. Tue . "Light quark Yukawa couplings from Higgs kinematics". United States. https://doi.org/10.1007/JHEP12(2016)045. https://www.osti.gov/servlets/purl/1368072.
@article{osti_1368072,
title = {Light quark Yukawa couplings from Higgs kinematics},
author = {Soreq, Yotam and Zhu, Hua Xing and Zupan, Jure},
abstractNote = {We show that the normalized Higgs production pT and yh distributions are sensitive probes of Higgs couplings to light quarks. For up and/or down quark Yukawa couplings comparable to the SM b quark Yukawa the $\bar{u}u$ or $\bar{d}d$ fusion production of the Higgs could lead to appreciable softer pT distribution than in the SM. The rapidity distribution, on the other hand, becomes more forward. Here, we find that, owing partially to a downward fluctuation, one can derive competitive bounds on the two couplings using ATLAS measurements of normalized pT distribution at 8TeV. With 300 fb-1 at 13TeV LHC one could establish flavor non-universality of the Yukawa couplings in the down sector.},
doi = {10.1007/JHEP12(2016)045},
journal = {Journal of High Energy Physics (Online)},
number = 12,
volume = 2016,
place = {United States},
year = {Tue Dec 13 00:00:00 EST 2016},
month = {Tue Dec 13 00:00:00 EST 2016}
}

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