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    Improved W boson mass measurement with the DØ detector

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    Baringer_7-2-2002.pdf (304.2Kb)
    Issue Date
    2002-07-02
    Author
    Baringer, Philip S.
    Bean, Alice
    Coppage, Don
    Hebert, C.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    We have measured the W boson mass using the DØ detector and a data sample of 82 pb(-1) from the Fermilab Tevatron collider. This measurement uses W⃗ eν decays, where the electron is close to a boundary of a central electromagnetic calorimeter module. Such “edge” electrons have not been used in any previous DØ analysis, and represent a 14% increase in the W boson sample size. For these electrons, new response and resolution parameters are determined, and revised backgrounds and underlying event energy flow measurements are made. When the current measurement is combined with previous DØ W boson mass measurements, we obtain MW=80.483±0.084 GeV. The 8% improvement from the previous DØ measurement is primarily due to the improved determination of the response parameters for non-edge electrons using the sample of Z bosons with non-edge and edge electrons.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.66.012001.
    URI
    http://hdl.handle.net/1808/15367
    DOI
    https://doi.org/10.1103/PhysRevD.66.012001
    ISSN
    1550-7998
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    V. M. Abazov et al. ((DØ Collaboration)). (2002). "Improved W boson mass measurement with the DØ detector." Physical Review D, 66(1):012001. http://dx.doi.org/10.1103/PhysRevD.66.012001

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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