Počet záznamů: 1

A novel method for modeling the recoil in W boson events at hadron collider

  1. 1.
    0335544 - FZU-D 2010 RIV NL eng J - Článek v odborném periodiku
    Abazov, V. M. - Abbott, B. - Abolins, M. - Kupčo, Alexander - Lokajíček, Miloš
    A novel method for modeling the recoil in W boson events at hadron collider.
    [Nová metoda pro modelováni recoilu ve srážkách obsahujících W boson.]
    Nuclear Instruments & Methods in Physics Research Section A. Roč. 609, 2-3 (2009), 250-262 ISSN 0168-9002
    Grant CEP: GA MŠk LC527; GA MŠk LA08047
    Výzkumný záměr: CEZ:AV0Z10100502
    Klíčová slova: D0 * recoil * W boson * hadron
    Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
    Impakt faktor: 1.317, rok: 2009

    We present a new method for modeling the hadronic recoil in W->lnu events produced at hadron colliders. The recoil is chosen from a library of recoils in Z->ll data events and overlaid on a simulated W->lnu event. Implementation of this method requires that the data recoil library describe the properties of the measured recoil as a function of the true, rather than the measured, transverse momentum of the boson. We address this issue using a multidimensional Bayesian unfolding technique. We estimate the statistical and systematic uncertainties from this method for the W boson mass and width measurements assuming 1 fb-1 of data from the Fermilab Tevatron. The uncertainties are found to be small and comparable to those of a more traditional parameterized recoil model. For the high precision measurements that will be possible with data from Run II of the Fermilab Tevatron and from the CERN LHC

    Článek představuje novou metodu pro modelování hadronového recoilu v případech rozpadu W -> lepton neutrino na hadronových urychlovačích. Výběr recoilu je proveden z knihovny obsahující recoily v eventech Z->lepton lepton a je proveden překryv na simulovaných eventech W -> lepton neutrino.
    Trvalý link: http://hdl.handle.net/11104/0179980