Počet záznamů: 1

Search for a heavy neutral gauge boson in the dielectron channel with 5.4 fb.sup.-1./sup. of ppbar collisions at root s=1.96 TeV

  1. 1.
    0367635 - FZU-D 2013 RIV NL eng J - Článek v odborném periodiku
    Abazov, V. M. - Abbott, B. - Abolins, M. - Kupčo, Alexander - Lokajíček, Miloš
    Search for a heavy neutral gauge boson in the dielectron channel with 5.4 fb-1 of ppbar collisions at root s=1.96 TeV.
    Physics Letters. B. Roč. 695, 1-4 (2011), s. 88-94 ISSN 0370-2693
    Grant CEP: GA MŠk LA08047; GA MŠk LC527
    Výzkumný záměr: CEZ:AV0Z10100502
    Klíčová slova: extensions of standard model * new gauge bosons * D0
    Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
    Impakt faktor: 3.955, rok: 2011

    We report the results of a search for a heavy neutral gauge boson Z´ decaying into the dielectron final state using data corresponding to an integrated luminosity of 5.4 fb(-1) collected by the D0 experiment at the Fermilab Tevatron Collider. No significant excess above the standard model prediction is observed in the dielectron invariant-mass spectrum. We set 95 sigma(p (p) over bar -> Z´) x BR(Z´ -> ee) depending on the dielectron invariant mass. These cross section limits are used to determine lower mass limits for bosons in a variety of models. For the sequential standard model boson a lower mass limit of 1023 GeV is obtained.
    Trvalý link: http://hdl.handle.net/11104/0202234