Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3595
 Title: Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at ?s=13 TeV with the ATLAS detector Authors: The ATLAS CollaborationSultansoy, Saleh Keywords: Collisionsjetsproton–proton collisions Issue Date: Oct-2018 Publisher: Springer Verlag Source: ATLAS collaboration. (2018). Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at $$\sqrt {s}= 13$$ TeV with the ATLAS detector. Journal of High Energy Physics, 2018(10), 180. Abstract: A search for dark matter (DM) particles produced in association with a hadronically decaying vector boson is performed using pp collision data at a centre-of-mass energy of s=13 TeV corresponding to an integrated luminosity of 36.1 fb−1, recorded by the ATLAS detector at the Large Hadron Collider. This analysis improves on previous searches for processes with hadronic decays of W and Z bosons in association with large missing transverse momentum (mono-W/Z searches) due to the larger dataset and further optimization of the event selection and signal region definitions. In addition to the mono-W/Z search, the as yet unexplored hypothesis of a new vector boson Z′ produced in association with dark matter is considered (mono-Z′ search). No significant excess over the Standard Model prediction is observed. The results of the mono-W/Z search are interpreted in terms of limits on invisible Higgs boson decays into dark matter particles, constraints on the parameter space of the simplified vector-mediator model and generic upper limits on the visible cross sections for W/Z+DM production. The results of the mono-Z′ search are shown in the framework of several simplified-model scenarios involving DM production in association with the Z′ boson.[Figure not available: see fulltext.]. © 2018, The Author(s). URI: https://link.springer.com/article/10.1007%2FJHEP10%282018%29180https://hdl.handle.net/20.500.11851/3595 ISSN: 11266708 Appears in Collections: Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology EngineeringScopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications CollectionWoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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