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Fourth generation effects in rare \(B_s \rightarrow \ell^+ \ell^-\) and \(B_s \rightarrow \ell{l}^+ \ell{l}^- \gamma\) decays

  • T.M. Aliev
  • A. Özpineci
  • M. Savci
Theoretical Physics

Abstract.

The contribution of the fourth generation quarks to the rare \(B_s \rightarrow \ell^+ \ell^-\) and \(B_s \rightarrow \ell^+ \ell^- \gamma\) decays are studied. Constraints on the extended Cabibbo-Kobayashi-Maskawa matrix elements |V tb V ts *| and \(\vert V_{t^\prime b} V_{t^\prime s}^* \vert\) are obtained from the existing experimental result for the branching ratio of the \(B \rightarrow X_s \gamma\) decay. The branching ratios of the above-mentioned decays, as well as the photon spectrum in the \(B_s \rightarrow \ell^+ \ell^- \gamma\) decay, are studied. It is found that the results are sensitive to the existence of the fourth generation.

Keywords

Matrix Element Generation Effect Fourth Generation Photon Spectrum Generation Quark 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg / Società Italiana di Fisica 2003

Authors and Affiliations

  • T.M. Aliev
    • 1
  • A. Özpineci
    • 1
  • M. Savci
    • 1
  1. 1.Physics Department, Middle East Technical University, 06531 Ankara, Turkey TR

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