Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7127
Title: Search for low mass vector resonances decaying into quark-antiquark pairs in proton-proton collisions at √s=13 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Dark matter
CMS detector
Large Hadron Collider (LHC)
Issue Date: Jan-2018
Publisher: Springer Verlag
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E.,...CMS Collaboration (2018). Search for low mass vector resonances decaying into quark-antiquark pairs in proton-proton collisions at √s=13 TeV. Journal of High Energy Physics, 2018(1). doi:10.1007/JHEP01(2018)097
Abstract: A search for narrow vector resonances decaying into quark-antiquark pairs is presented. The analysis is based on data collected in proton-proton collisions at s=13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 35.9 fb −1 . The hypothetical resonance is produced with sufficiently high transverse momentum that its decay products are merged into a single jet with two-prong substructure. A signal would be identified as a peak over a smoothly falling background in the distribution of the invariant mass of the jet, using novel jet substructure techniques. No evidence for such a resonance is observed within the mass range of 50-300 GeV. Upper limits at 95% confidence level are set on the production cross section, and presented in a mass-coupling parameter space. The limits further constrain simplified models of dark matter production involving a mediator interacting between quarks and dark matter particles through a vector or axial-vector current. In the framework of these models, the results are the most sensitive to date, extending for the first time the search region to masses below 100 GeV.[Figure not available: see fulltext.].
URI: http://doi.org/10.1007/JHEP01(2018)097
http://hdl.handle.net/11147/7127
ISSN: 1029-8479
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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