Simplified models for Higgs physics: singlet scalar and vector-like quark phenomenology

Dolan, Matthew J.; Hewett, J. L.; Krämer, M.; Rizzo, T. G.

doi:10.1007/JHEP07(2016)039

Title: Simplified models for Higgs physics: singlet scalar and vector-like quark phenomenology

Journal Article · Fri Jul 08 00:00:00 EDT 2016 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP07(2016)039· OSTI ID:1261165

Dolan, Matthew J. ^[1]; Hewett, J. L. ^[2]; Krämer, M. ^[3]; Rizzo, T. G. ^[2]

Univ. of Melbourne (Australia). ARC Centre of Excellence for Particle Physicsw at the Terascale
SLAC National Accelerator Lab., Menlo Park, CA (United States)
RWTH Aachen Univ. (Germany). Inst. for Theoretical Particle Physics and Cosmology

Simplified models provide a useful tool to conduct the search and exploration of physics beyond the Standard Model in a model-independent fashion. In this study, we consider the complementarity of indirect searches for new physics in Higgs couplings and distributions with direct searches for new particles, using a simplified model which includes a new singlet scalar resonance and vector-like fermions that can mix with the SM top-quark. We fit this model to the combined ATLAS and CMS 125 GeV Higgs production and coupling measurements and other precision electroweak constraints, and explore in detail the effects of the new matter content upon Higgs production and kinematics. Finally, we highlight some novel features and decay modes of the top partner phenomenology, and discuss prospects for Run II.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1261165

Journal Information:: Journal of High Energy Physics (Online), Vol. 2016, Issue 7; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 20 works

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Shedding light on top partner at the LHC Alhazmi, Haider; Kim, Jeong Han; Kong, Kyoungchul Journal of High Energy Physics, Vol. 2019, Issue 1 https://doi.org/10.1007/jhep01(2019)139	journal	January 2019
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CP-even scalar boson production via gluon fusion at the LHC Anastasiou, Charalampos; Duhr, Claude; Dulat, Falko Journal of High Energy Physics, Vol. 2016, Issue 9 https://doi.org/10.1007/jhep09(2016)037	journal	September 2016
Exotic signals of vectorlike quarks Dobrescu, Bogdan A.; Yu, Felix Journal of Physics G: Nuclear and Particle Physics, Vol. 45, Issue 8 https://doi.org/10.1088/1361-6471/aacbfd	journal	June 2018
Gauge-Singlet Vector-Like Fermion Dark Matter, LHC Diphoton Rate, and Direct Detection Gopalakrishna, Shrihari; Mukherjee, Tuhin Subhra Advances in High Energy Physics, Vol. 2017 https://doi.org/10.1155/2017/8689270	journal	January 2017
CP-even scalar boson production via gluon fusion at the LHC Anastasiou, Charalampos; Duhr, Claude; Dulat, Falko Springer https://doi.org/10.5167/uzh-129834	text	January 2016
CP-even scalar boson production via gluon fusion at the LHC Anastasiou, Charalampos; Duhr, Claude; Dulat, Falko ETH Zurich https://doi.org/10.3929/ethz-b-000259778	text	January 2016
Exotic Signals of Vectorlike Quarks Dobrescu, Bogdan A.; Yu, Felix arXiv https://doi.org/10.48550/arxiv.1612.01909	text	January 2016
Loop Induced Single Top Partner Production and Decay at the LHC Kim, Jeong Han; Lewis, Ian M. arXiv https://doi.org/10.48550/arxiv.1803.06351	text	January 2018

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