Broad composite resonances and their signals at the LHC
Abstract
The existence of the SU(2)(L) triplet composite spin-1 resonances rho(+/-,0) is a universal prediction of the strongly interacting new physics addressing the naturalness problem. Such resonances have not been found in the diboson final states, which are expected to be the dominant decay channels. In this work we propose a new scenario where the left-handed quark doublet q(L) = (t(L), b(L)) is fully composite. In this case, the rho resonances can be broad and mainly decay to the third-generation quarks. The t (t) over bar resonance search channel is comparable in sensitivity to the dilepton channel. In addition, the same-sign dilepton channel in t (t) over bar rho(0)-associated production can probe the large-width region and complement the Drell-Yan production channels.
- Publication Date:
- Research Org.:
- Univ. of Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Research Foundation of Korea (NRF)
- OSTI Identifier:
- 1570878
- Alternate Identifier(s):
- OSTI ID: 1593922; OSTI ID: 1818144
- Grant/Contract Number:
- SC0009924; SC0013642; AC02-06CH11357; 2017R1D1A1B03030820
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 7; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Liu, Da, Wang, Lian-Tao, and Xie, Ke-Pan. Broad composite resonances and their signals at the LHC. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.100.075021.
Liu, Da, Wang, Lian-Tao, & Xie, Ke-Pan. Broad composite resonances and their signals at the LHC. United States. https://doi.org/10.1103/PhysRevD.100.075021
Liu, Da, Wang, Lian-Tao, and Xie, Ke-Pan. Fri .
"Broad composite resonances and their signals at the LHC". United States. https://doi.org/10.1103/PhysRevD.100.075021.
@article{osti_1570878,
title = {Broad composite resonances and their signals at the LHC},
author = {Liu, Da and Wang, Lian-Tao and Xie, Ke-Pan},
abstractNote = {The existence of the SU(2)(L) triplet composite spin-1 resonances rho(+/-,0) is a universal prediction of the strongly interacting new physics addressing the naturalness problem. Such resonances have not been found in the diboson final states, which are expected to be the dominant decay channels. In this work we propose a new scenario where the left-handed quark doublet q(L) = (t(L), b(L)) is fully composite. In this case, the rho resonances can be broad and mainly decay to the third-generation quarks. The t (t) over bar resonance search channel is comparable in sensitivity to the dilepton channel. In addition, the same-sign dilepton channel in t (t) over bar rho(0)-associated production can probe the large-width region and complement the Drell-Yan production channels.},
doi = {10.1103/PhysRevD.100.075021},
journal = {Physical Review D},
number = 7,
volume = 100,
place = {United States},
year = {2019},
month = {10}
}
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https://doi.org/10.1103/PhysRevD.100.075021
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