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    Search for supersymmetry using rare B to mumu decays at CDF run II

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    etd-tamu-2005C-PHYS-Krutely.pdf (3.140Mb)
    Date
    2006-04-12
    Author
    Krutelyov, Vyacheslav
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    Abstract
    A search for rare B0 s -> µ+µ- and B0d -> µ+µ- decays has been performed in pp collisions at sqroot(s) = 1.96 TeV using 364 pb-1 of data collected by the CDF II experiment at the Fermilab Tevatron Collider. The rate of each decay is sensitive to contributions from physics beyond the Standard Model (SM). No events pass the optimized selection requirements, consistent with the SM expectation. The resulting upper limits on the branching ratios are B(B0s -> µ+µ-) < 1.5 x 10-7 and B(B0d -> µ+µ-) < 3.8 x 10-8 at the 90% confidence level. The limits are used to exclude some parameter space for several supersymmetric models.
    URI
    http://hdl.handle.net/1969.1/3347
    Subject
    supersymmetry
    cdf
    rare
    Collections
    • Electronic Theses, Dissertations, and Records of Study (2002– )
    Citation
    Krutelyov, Vyacheslav (2005). Search for supersymmetry using rare B to mumu decays at CDF run II. Doctoral dissertation, Texas A&M University. Texas A&M University. Available electronically from http : / /hdl .handle .net /1969 .1 /3347.

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