[PDF] Top 20 Search for new particles decaying to tt̄ in pp̄ collisions at √s = 1.8 TeV

... With the z axis defined along the proton beam, the Collider Detector at Fermilab (CDF) coordinate system defines f as the azimuthal angle in the transverse plane, u as the polar angle, and pseudorapidity h as 2 ln 共 tan ... See full document

... A search is conducted for hadronic three-body decays of a new massive coloured particle in √ s = 7 TeV pp collisions at the LHC using an integrated luminosity of ...two search ... See full document

... the particles involved in the hard process, shown in purple in figure ...short-lived particles is simulated, resulting in a record of all final state particles that can reach the detector, indicated ... See full document

... charged particles with pseudo- rapidity 1 |η| < ...Run 1 of the LHC, the ATLAS detector used a three-level trigger system to select events for offline ... See full document

... the search for electroweak supersymmetry with new analyses targeting scenarios not covered by previously published ...searches. New searches use vector- boson fusion production, initial-state ... See full document

... The D0 detector [14] consists of three major subsys- tems: an inner detector for tracking charged particles; a uranium/liquid-argon calorimeter for measuring electro- magnetic and hadronic showers; and a muon ... See full document

... the search are interpreted in the context of vector-like lepton [ 16] and type-III seesaw [17] scenarios in which the new heavy leptons decay through mixing with electrons or muons (`) induced by ... See full document

... 0.4 GeV and to have a longitudinal distance less than 200 mm from the centre of the collision region. There are on average 20.7 interactions per event in the data used for this analysis. The primary vertex is defined to ... See full document

... hadron collisions by LQD interactions and then decay into SM dilepton final states via LLE ...of new physics beyond the SM [3]. In this Letter, we report a direct search for resonant production of ... See full document

... J. Meyer 107 , R. P. Middleton 131 , S. Migas 74 , S. Miglioranzi 165a,165c , L. Mijovi´c 21 , G. Mikenberg 173 , M. Mikestikova 127 , M. Mikuž 75 , A. Milic 30 , D. W. Miller 31 , C. Mills 46 , A. Milov ... See full document

... without new physics coming into play at some scale beyond the electroweak scale ...if new physics come into play, like for example new particles which can be created once the energy is ... See full document

... neutral particles that can decay in jets of leptons and light hadrons ...lepton-jet search with the ATLAS experiment at the proton-proton LHC collider at √ s=8 TeV during the entire ... See full document

... A search for heavy resonances that decay to tau lepton pairs is performed using proton-proton collisions at √ s = 13 ...bosons decaying into tau lepton pairs is excluded for Z 0 masses below ... See full document

... SM particles must be placed into the context of supersymmetric ...right-handed particles are treated ...scalar particles, they are assigned a handedness, corresponding to the handedness of the SM ... See full document

... J. Boudreau 127 , J. Bou ff ard 2 , E.V. Bouhova-Thacker 75 , D. Boumediene 37 , C. Bourdarios 119 , S.K. Boutle 56 , A. Boveia 113 , J. Boyd 32 , I.R. Boyko 68 , J. Bracinik 19 , A. Brandt 8 , G. Brandt 57 , O. ... See full document

... sector particles and one or more dark photons. In the Higgs-portal model (section 3.2), the SM Higgs boson decays into a pair of dark fermions, each of which decays into one or more dark photons in cascades. For ... See full document

... H. Meyer Zu Theenhausen 59a , F. Miano 149 , R.P. Middleton 131 , S. Miglioranzi 52a , 52b , L. Mijovi ´c 48 , G. Mikenberg 171 , M. Mikestikova 127 , M. Mikuž 76 , M. Milesi 89 , A. Milic 63 , D.W. Miller 33 , C. ... See full document

... ffiffiffi s ¼ 7 TeV and processed with the standard chain of the ATLAS GEANT4 [13] simu- lation and reconstruction [14] using the ATLAS MC09 parameter tune ... See full document

... L. Kashif 173 , G. Kasieczka 58b , R.D. Kass 109 , A. Kastanas 14 , M. Kataoka 5 , Y. Kataoka 155 , E. Katsoufis 10 , J. Katzy 42 , V. Kaushik 7 , K. Kawagoe 69 , T. Kawamoto 155 , G. Kawamura 81 , M.S. Kayl 105 , ... See full document

... R. Stroynowski 40 , B. Stugu 14 , I. Stumer 25 , ∗ , J. Stupak 148 , P. Sturm 175 , N.A. Styles 42 , D.A. Soh 151 , u , D. Su 143 , H.S. Subramania 3 , R. Subramaniam 25 , A. Succurro 12 , Y. Sugaya 116 , C. Suhr 106 , ... See full document