Search for Zγ resonances using leptonic and hadronic final states in proton-proton collisions at √s=13  TeV

CMS Collaboration; A. M. Sirunyan; Maria Florencia Canelli; Benjamin Kilminster; Thea K Aarrestad; Danyyl Brzhechko; Lea Caminada; Annapaoloa De Cosa; Riccardo Del Burgo; Silvio Donato; Camilla Galloni; Tomas Hreus; Stefanos Leontsinis; Vinicius Massami Mikuni; Izaak Neutelings; Giorgia Rauco; Peter Robmann; Daniel Salerno; Korbinian Schweiger; Claudia Seitz; Yuta Takahashi; Sebastien Wertz; Alberto Zucchetta

doi:10.1007/JHEP09(2018)148

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Search for Zγ resonances using leptonic and hadronic final states in proton-proton collisions at √s=13 TeV

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Search for Zγ resonances using leptonic and hadronic final states in proton-proton collisions at √s=13 TeV

CMS Collaboration, A. M. Sirunyan, Maria Florencia Canelli, Benjamin Kilminster, Thea K Aarrestad, Danyyl Brzhechko, Lea Caminada, Annapaoloa De Cosa, Riccardo Del Burgo, Silvio Donato, …

Journal of high energy physics : JHEP, Vol.2018, 148

2018

DOI: 10.1007/JHEP09(2018)148

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Abstract

A search is presented for resonances decaying to a Z boson and a photon. The analysis is based on data from proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 $fb{−1}$, and collected with the CMS detector at the LHC in 2016. Two decay modes of the Z boson are investigated. In the leptonic channels, the Z boson candidates are reconstructed using electron or muon pairs. In the hadronic channels, they are identified using a large-radius jet, containing either light-quark or b quark decay products of the Z boson, via jet substructure and advanced b quark tagging techniques. The results from these channels are combined and interpreted in terms of upper limits on the product of the production cross section and the branching fraction to Zγ for narrow and broad spin-0 resonances with masses between 0.35 and 4.0 TeV, providing thereby the most stringent limits on such resonances.

Physics

Physics Institute

Details

Title: Subtitle: Search for Zγ resonances using leptonic and hadronic final states in proton-proton collisions at √s=13 TeV
Creators: CMS Collaboration
A. M. Sirunyan - A. Alikhanyan National Laboratory
Maria Florencia Canelli
Benjamin Kilminster
Thea K Aarrestad
Danyyl Brzhechko
Lea Caminada
Annapaoloa De Cosa
Riccardo Del Burgo
Silvio Donato
Camilla Galloni
Tomas Hreus
Stefanos Leontsinis
Vinicius Massami Mikuni
Izaak Neutelings
Giorgia Rauco
Peter Robmann
Daniel Salerno
Korbinian Schweiger
Claudia Seitz
Yuta Takahashi
Sebastien Wertz
Alberto Zucchetta
Contributors: Yasar Onel (Contributor) - University of Iowa, Physics and Astronomy
Jane M Nachtman (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Journal article
Publication Details: Journal of high energy physics : JHEP, Vol.2018, 148
DOI: 10.1007/JHEP09(2018)148
ISSN: 1029-8479
eISSN: 1029-8479
Publisher: Springer
Language: English
Date published: 2018
Academic Unit: Physics and Astronomy
Record Identifier: 9984428833702771

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