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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 |
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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