Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3642
Title: A search for resonances decaying into a Higgs boson and a new particle X in the XH › qqbb final state with the ATLAS detector
Authors: The ATLAS Collaboration
Sultansoy, Saleh
Keywords: Collisions
jets
proton–proton collisions
Issue Date: Apr-2018
Publisher: Elsevier B.V.
Source: ATLAS collaboration. (2018). A search for resonances decaying into a Higgs boson and a new particle X in the XH? qqbb final state with the ATLAS detector. Physics Letters B, 779, 24-45.
Abstract: A search for heavy resonances decaying into a Higgs boson (H) and a new particle (X) is reported, utilizing 36.1 fb−1 of proton–proton collision data at s=13TeV collected during 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. The particle X is assumed to decay to a pair of light quarks, and the fully hadronic final state XH→qq¯′bb¯ is analysed. The search considers the regime of high XH resonance masses, where the X and H bosons are both highly Lorentz-boosted and are each reconstructed using a single jet with large radius parameter. A two-dimensional phase space of XH mass versus X mass is scanned for evidence of a signal, over a range of XH resonance mass values between 1 TeV and 4 TeV, and for X particles with masses from 50 GeV to 1000 GeV. All search results are consistent with the expectations for the background due to Standard Model processes, and 95% CL upper limits are set, as a function of XH and X masses, on the production cross-section of the XH→qq¯′bb¯ resonance. © 2018 The Author(s)
URI: https://www.sciencedirect.com/science/article/pii/S0370269318300509?via%3Dihub
https://hdl.handle.net/20.500.11851/3642
ISSN: 0370-2693
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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