Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7667
Title: Search for ZZ resonances in the 2l2? final state in proton-proton collisions at 13 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Proton–proton collisions
Large Hadron Collider (LHC)
Z bosons
Transverse momentum
Issue Date: Mar-2018
Publisher: Springer Verlag
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J. ...CMS Collaboration (2018). Search for ZZ resonances in the 2ℓ2ν final state in proton-proton collisions at 13 TeV. Journal of High Energy Physics, 2018(3). doi:10.1007/JHEP03(2018)003
Abstract: A search for heavy resonances decaying to a pair of Z bosons is performed using data collected with the CMS detector at the LHC. Events are selected by requiring two oppositely charged leptons (electrons or muons), consistent with the decay of a Z boson, and large missing transverse momentum, which is interpreted as arising from the decay of a second Z boson to two neutrinos. The analysis uses data from proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb−1. The hypothesis of a spin-2 bulk graviton (X) decaying to a pair of Z bosons is examined for 600 ≤ mX ≤ 2500 GeV and upper limits at 95% confidence level are set on the product of the production cross section and branching fraction of X → ZZ ranging from 100 to 4 fb. For bulk graviton models characterized by a curvature scale parameter k˜ = 0.5 in the extra dimension, the region mXOpenSPiltSPi 800 GeV is excluded, providing the most stringent limit reported to date. Variations of the model considering the possibility of a wide resonance produced exclusively via gluon-gluon fusion or q q ¯ annihilation are also examined.
URI: https://doi.org/10.1007/JHEP03(2018)003
https://hdl.handle.net/11147/7667
ISSN: 1029-8479
1029-8479
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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