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Title: Colorful imprints of heavy states in the electroweak effective theory

Abstract

We analyze heavy states from generic ultraviolet completions of the Standard Model in a model-independent way and investigate their implications on the low-energy couplings of the electroweak effective theory. We build a general effective Lagrangian, implementing the electroweak symmetry breaking SU(2)$$_{L}$$ Ⓧ SU(2) R → SU(2) L+R with a non-linear Nambu-Goldstone realization, which couples the known particles to the heavy states. We generalize the formalism developed in previous works [1, 2] to include colored resonances, both of bosonic and fermionic type. We study bosonic heavy states with JP = 0 ± and JP = 1 ±, in singlet or triplet SU(2) L+R representations and in singlet or octet representations of SU(3) C , and fermionic resonances with J = 1/2 that are electroweak doublets and QCD triplets or singlets. Integrating out the heavy scales, we determine the complete pattern of low-energy couplings at the lowest non-trivial order. Some specific types of (strongly- and weakly-coupled) ultraviolet completions are discussed to illustrate the generality of our approach and to make contact with current experimental searches.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [3];  [2];  [4]
  1. Univ. de Valencia - CSIC, Valencia (Spain); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  2. Univ. de Valencia - CSIC, Valencia (Spain)
  3. Univ. Cardenal Herrera-CEU, Valencia (Spain)
  4. Univ. Complutense de Madrid, Madrid (Spain)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1487401
Report Number(s):
arXiv:1810.10544; IFIC/18-07; FTUV/18-1026; FERMILAB-PUB-18-550-T; VBSCAN-PUB-06-18
Journal ID: ISSN 1029-8479; 1700399
Grant/Contract Number:  
AC02-07CH11359
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: 2019; Journal Issue: 5; 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; Chiral Lagrangians; Effective Field Theories; Higgs Physics

Citation Formats

Krause, Claudius, Pich, Antonio, Rosell, Ignasi, Santos, Joaquín, and Sanz-Cillero, Juan José. Colorful imprints of heavy states in the electroweak effective theory. United States: N. p., 2019. Web. doi:10.1007/JHEP05(2019)092.
Krause, Claudius, Pich, Antonio, Rosell, Ignasi, Santos, Joaquín, & Sanz-Cillero, Juan José. Colorful imprints of heavy states in the electroweak effective theory. United States. doi:10.1007/JHEP05(2019)092.
Krause, Claudius, Pich, Antonio, Rosell, Ignasi, Santos, Joaquín, and Sanz-Cillero, Juan José. Fri . "Colorful imprints of heavy states in the electroweak effective theory". United States. doi:10.1007/JHEP05(2019)092. https://www.osti.gov/servlets/purl/1487401.
@article{osti_1487401,
title = {Colorful imprints of heavy states in the electroweak effective theory},
author = {Krause, Claudius and Pich, Antonio and Rosell, Ignasi and Santos, Joaquín and Sanz-Cillero, Juan José},
abstractNote = {We analyze heavy states from generic ultraviolet completions of the Standard Model in a model-independent way and investigate their implications on the low-energy couplings of the electroweak effective theory. We build a general effective Lagrangian, implementing the electroweak symmetry breaking SU(2)$_{L}$ Ⓧ SU(2)R → SU(2)L+R with a non-linear Nambu-Goldstone realization, which couples the known particles to the heavy states. We generalize the formalism developed in previous works [1, 2] to include colored resonances, both of bosonic and fermionic type. We study bosonic heavy states with JP = 0± and JP = 1±, in singlet or triplet SU(2)L+R representations and in singlet or octet representations of SU(3)C , and fermionic resonances with J = 1/2 that are electroweak doublets and QCD triplets or singlets. Integrating out the heavy scales, we determine the complete pattern of low-energy couplings at the lowest non-trivial order. Some specific types of (strongly- and weakly-coupled) ultraviolet completions are discussed to illustrate the generality of our approach and to make contact with current experimental searches.},
doi = {10.1007/JHEP05(2019)092},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2019,
place = {United States},
year = {2019},
month = {5}
}

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

Figures / Tables:

Figure 1 Figure 1: Schematic view of the energy regimes of the different (effective) theories. A possible UV completion of the SM electroweak sector could behave somehow similarly to QCD.

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