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Viser treff 1605-1624 av 2102
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Search for dark matter in events with missing transverse momentum and a Higgs boson decaying into two photons in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2021)A search for dark-matter particles in events with large missing transverse momentum and a Higgs boson candidate decaying into two photons is reported. The search uses 139 fb−1 of proton-proton collision data collected at ... -
Search for dark matter produced in association with a dark Higgs boson decaying into W±W∓ or ZZ in fully hadronic final states from √s =13 TeV pp collisions recorded with the ATLAS detector
(Journal article; Peer reviewed, 2021)Several extensions of the Standard Model predict the production of dark matter particles at the LHC. An uncharted signature of dark matter particles produced in association with VV=W±W∓ or ZZ pairs from a decay of a dark ... -
Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector
(Journal article; Peer reviewed, 2021)This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar ... -
Search for dark matter produced in association with bottom or top quarks in √s=13 TeV pp collisions with the ATLAS detector
(Peer reviewed; Journal article, 2018-01-11)A search for weakly interacting massive dark-matter particles produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and missing transverse momentum are considered. ... -
Search for Darkonium in e+e- Collisions
(Journal article; Peer reviewed, 2022)Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, ... -
Search for diboson resonances in hadronic final states in 139 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019)Narrow resonances decaying into W W, W Z or ZZ boson pairs are searched for in 139 fb−1 of proton-proton collision data at a centre-of-mass energy of s√ = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider ... -
Search for diboson resonances with boson-tagged jets in pp collisions at √s = 13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2017-12-07)Narrow resonances decaying into WW, WZ or ZZ boson pairs are searched for in 36.7 fb−1 of proton–proton collision data at a centre-of-mass energy of recorded with the ATLAS detector at the Large Hadron Collider in 2015 and ... -
Search for dijet resonances in events with an isolated charged lepton using √s = 13 TeV proton-proton collision data collected by the ATLAS detector
(Journal article; Peer reviewed, 2020-06)A search for dijet resonances in events with at least one isolated charged lepon is performed using 139 fb−1 of s√ = 13 TeV proton-proton collision data recorded by the ATLAS detector at the LHC. The dijet invariant-mass ... -
Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at \(\sqrt{s}\)=7 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2013-01)A search for direct chargino production in anomaly-mediated supersymmetry breaking scenarios is performed in pp collisions at \(\sqrt{s}\) = 7 TeV using 4.7 fb\(^{-1}\) of data collected with the ATLAS experiment at the ... -
Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in \(\sqrt{s}\) = 8 TeV pp collisions with the ATLAS detector
(Peer reviewed; Journal article, 2015-05-12)A search is presented for the direct pair production of a chargino and a neutralino \(pp\to\tilde{\chi}^\pm_1\tilde{\chi}^0_2\), where the chargino decays to the lightest neutralino and the \(W\) boson, \(\tilde{\chi}^\pm_1 ... -
Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in √s = 8 TeV pp collisions with the ATLAS detector
(Peer reviewed; Journal article, 2014-04)A search for the direct production of charginos and neutralinos in final states with three leptons and missing transverse momentum is presented. The analysis is based on 20.3 fb−1 of s√ = 8 TeV proton-proton collision data ... -
Search for direct production of electroweakinos in final states with missing transverse momentum and a Higgs boson decaying into photons in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-10-01)A search for a chargino-neutralino pair decaying via the 125 GeV Higgs boson into photons is presented. The study is based on the data collected between 2015 and 2018 with the ATLAS detector at the LHC, corresponding to ... -
Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-08-01)The results of a search for electroweakino pair production pp→χ~±1χ~02 in which the chargino (χ~±1) decays into a W boson and the lightest neutralino (χ~01), while the heavier neutralino (χ~02) decays into the Standard ... -
Search for direct stau production in events with two hadronic τ-leptons in √s=13 TeV pp collisions with the ATLAS detector
(Journal article; Peer reviewed, 2020)A search for the direct production of the supersymmetric partners of τ-leptons (staus) in final states with two hadronically decaying τ-leptons is presented. The analysis uses a dataset of pp collisions corresponding to ... -
Search for direct top squark pair production in events with a Z boson, b-jets and missing transverse momentum in √s = 8 TeV pp collisions with the ATLAS detector
(Peer reviewed; Journal article, 2014-06)A search is presented for direct top squark pair production using events with at least two leptons including a same-flavour opposite-sign pair with invariant mass consistent with the Z boson mass, jets tagged as originating ... -
Search for direct top-squark pair production in final states with two leptons in pp collisions at \(\sqrt{s}\)=8 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2014-06)A search is presented for direct top-squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3 fb\(^{-1}\) of \(pp\) collision data at \(\sqrt{s}\)=8 TeV, collected by the ... -
Search for displaced leptons in √s = 13 TeV pp collisions with the ATLAS detector
(Journal article; Peer reviewed, 2021)A search for charged leptons with large impact parameters using 139 fb − 1 of √ s = 13 TeV pp collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics ... -
Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in pp collisions at √s=13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020)A search for long-lived particles decaying into an oppositely charged lepton pair, μμ, ee, or eμ, is presented using of pp collision data collected at TeV by the ATLAS detector at the LHC. Candidate leptons are required ... -
Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at √s = 13 TeV
(Journal article; Peer reviewed, 2021)A search for charged Higgs bosons decaying into W±W± or W±Z bosons is performed, involving experimental signatures with two leptons of the same charge, or three or four leptons with a variety of charge combinations, missing ... -
Search for doubly charged Higgs boson production in multi-lepton final states with the ATLAS detector using proton–proton collisions at √s=13TeV
(Peer reviewed; Journal article, 2018-03-10)A search for doubly charged Higgs bosons with pairs of prompt, isolated, highly energetic leptons with the same electric charge is presented. The search uses a proton–proton collision data sample at a centre-of-mass energy ...