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  • b-tagging in DELPHI at LEP
    Abreu, P. ...
    The standard method used for tagging b-hadrons in the DELPHI experiment at the CERN LEP Collider is discussed in detail. The main ingredient of b-tagging is the impact parameters of tracks, which ... relies mostly on the vertex detector. Additional information, such as the mass of particles associated to a secondary vertex, significantly improves the selection efficiency and the background suppression. The paper describes various discriminating variables used for the tagging and the procedure of their combination. In addition, applications of b-tagging to some physics analyses, which depend crucially on the performance and reliability of b-tagging, are described briefly.
    Source: The European physical journal. C. - ISSN 1434-6044 (Vol. 32, No. 2, 2004, str. 185-208)
    Type of material - article, component part
    Publish date - 2004
    Language - english
    COBISS.SI-ID - 295163