skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Probing anomalous $$ t\overline{t}Z $$ interactions with rare meson decays

Abstract

Anomalous couplings of the Z boson to top quarks are only marginally constrained by direct searches and are still sensitive to new particle dynamics at the TeV scale. Employing an effective field theory approach we consider the dimension-six operators which generate deviations from the standard-model vector and axial-vector interactions. We show that rare B and K meson decays together with electroweak precision observables provide strong constraints on these couplings. In addition, we also consider constraints from t-channel single-top production.

Authors:
 [1];  [2];  [3];  [4]
  1. Univ. of Cincinnati, Cincinnati, OH (United States). Dept. of Physics
  2. Jozef Stefan Inst. (IJS), Ljubljana (Slovenia)
  3. Weizmann Inst. of Science, Rehovot (Israel). Dept. of Particle Physics and Astrophysics
  4. Univ. of Cincinnati, Cincinnati, OH (United States). Dept. of Physics; Srinakharinwirot Univ., Bangkok (Thailand). Dept. of Physics
Publication Date:
Research Org.:
Univ. of Cincinnati, Cincinnati, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1454608
Grant/Contract Number:  
SC0011784
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: 2015; Journal Issue: 2; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; Effective field theories; Rare Decays

Citation Formats

Brod, Joachim, Greljo, Admir, Stamou, Emmanuel, and Uttayarat, Patipan. Probing anomalous $ t\overline{t}Z $ interactions with rare meson decays. United States: N. p., 2015. Web. doi:10.1007/JHEP02(2015)141.
Brod, Joachim, Greljo, Admir, Stamou, Emmanuel, & Uttayarat, Patipan. Probing anomalous $ t\overline{t}Z $ interactions with rare meson decays. United States. doi:10.1007/JHEP02(2015)141.
Brod, Joachim, Greljo, Admir, Stamou, Emmanuel, and Uttayarat, Patipan. Mon . "Probing anomalous $ t\overline{t}Z $ interactions with rare meson decays". United States. doi:10.1007/JHEP02(2015)141. https://www.osti.gov/servlets/purl/1454608.
@article{osti_1454608,
title = {Probing anomalous $ t\overline{t}Z $ interactions with rare meson decays},
author = {Brod, Joachim and Greljo, Admir and Stamou, Emmanuel and Uttayarat, Patipan},
abstractNote = {Anomalous couplings of the Z boson to top quarks are only marginally constrained by direct searches and are still sensitive to new particle dynamics at the TeV scale. Employing an effective field theory approach we consider the dimension-six operators which generate deviations from the standard-model vector and axial-vector interactions. We show that rare B and K meson decays together with electroweak precision observables provide strong constraints on these couplings. In addition, we also consider constraints from t-channel single-top production.},
doi = {10.1007/JHEP02(2015)141},
journal = {Journal of High Energy Physics (Online)},
number = 2,
volume = 2015,
place = {United States},
year = {2015},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

Save / Share: