Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8507
Title: A search for pair production of new light bosons decaying into muons in proton-proton collisions at 13 TeV
Authors: Karapınar, Güler
CMS Collaboration
Keywords: CMS
New light boson
Supersymmetry
Hidden sector
Dark photon
Issue Date: 2019
Publisher: Elsevier Ltd.
Abstract: A search for new light bosons decaying into muon pairs is presented using a data sample corresponding to an integrated luminosity of 35.9 fb(-1) of proton-proton collisions at a center-of-mass energy root s = 13 TeV, collected with the CMS detector at the CERN LHC. The search is model independent, only requiring the pair production of a new light boson and its subsequent decay to a pair of muons. No significant deviation from the predicted background is observed. A model independent limit is set on the product of the production cross section times branching fraction to dimuons squared times acceptance as a function of new light boson mass. This limit varies between 0.15 and 0.39 fb over a range of new light boson masses from 0.25 to 8.5 GeV. It is then interpreted in the context of the next-to-minimal supersymmetric standard model and a dark supersymmetry model that allows for nonnegligible light boson lifetimes. In both cases, there is significant improvement over previously published limits. (C) 2019 The Author(s). Published by Elsevier B.V.
URI: https://doi.org/10.1016/j.physletb.2019.07.013
https://hdl.handle.net/11147/8507
ISSN: 0370-2693
Appears in Collections:Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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