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Title: Prospects of searching for composite resonances at the LHC and beyond

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Univ. of Chicago, IL (United States). Enrico Fermi Inst.; Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP); Univ. of Chicago, IL (United States)
  3. Seoul National Univ. (Korea, Republic of); Peking Univ., Beijing (China)

Composite Higgs models predict the existence of resonances. We study in detail the collider phenomenology of both the vector and fermionic resonances, including the possibility of both of them being light and within the reach of the LHC. We present current constraints from di-boson, di-lepton resonance searches and top partner pair searches on a set of simplified benchmark models based on the minimal coset SO(5)/SO(4), and make projections for the reach of the HL-LHC. We find that the cascade decay channels for the vector resonances into top partners, or vice versa, can play an important role in the phenomenology of the models. We present a conservative estimate for their reach by using the same-sign di-lepton final states. As a simple extrapolation of our work, we also present the projected reach at the 27 TeV HE-LHC and a 100 TeV pp collider.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science; National Natural Science Foundation of China (NSFC); National Research Foundation (NRF) of Korea
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1557464
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 1 Vol. 2019; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (9)

Electroweak phase transition with composite Higgs models: calculability, gravitational waves and collider searches journal December 2019
Improved bounds on W − W ′ mixing with ATLAS resonant W Z production data at the LHC at s = 13     TeV journal July 2019
Search for single production of a top quark partner via the T → t h and h → W W * channels at the LHC journal July 2019
Broad composite resonances and their signals at the LHC journal October 2019
Heavy resonances at energy-frontier hadron colliders journal July 2019
Beyond $$M_{t\bar{t}}$$: learning to search for a broad $$t\bar{t}$$ resonance at the LHC journal February 2020
Broad composite resonances and their signals at the LHC text January 2019
Beyond $M_{t\bar{t}}$: learning to search for a broad $t\bar t$ resonance at the LHC text January 2019
Electroweak phase transition with composite Higgs models: calculability, gravitational waves and collider searches text January 2019

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