Atmospheric neutrinos can make beauty strange

Roni Harnik, Daniel T. Larson, Hitoshi Murayama, and Aaron Pierce
Phys. Rev. D 69, 094024 – Published 27 May 2004
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Abstract

The large observed mixing angle in atmospheric neutrinos, coupled with grand unification, motivates the search for large mixing between right-handed strange and bottom squarks. Such mixing does not appear in the standard Cabibbo-Kobayashi-Maskawa phenomenology, but may induce significant bs transitions through gluino diagrams. Working in the mass eigenbasis, we show quantitatively that an O(1) effect on CP violation in Bd0φKS is possible due to a large mixing between sR and bR, while still satisfying constraints from bsγ. We also include the effect of bLbR mixing proportional to mbμtanβ. In the case where mbμtanβMSUSY2 there may be a large effect in Bs mixing correlated with a large effect in Bd0φKS, typically yielding an unambiguous signal of new physics at Tevatron run II.

  • Received 25 July 2003

DOI:https://doi.org/10.1103/PhysRevD.69.094024

©2004 American Physical Society

Authors & Affiliations

Roni Harnik, Daniel T. Larson, and Hitoshi Murayama

  • Theoretical Physics Group, Ernest Orlando Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, USA
  • Department of Physics, University of California, Berkeley, California 94720, USA

Aaron Pierce

  • Theoretical Physics Group, Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309, USA

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Issue

Vol. 69, Iss. 9 — 1 May 2004

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