Flavor changing neutral currents involving heavy quarks with four generations

@inproceedings{Arhrib2006FlavorCN,
  title={Flavor changing neutral currents involving heavy quarks with four generations},
  author={Abdesslam Arhrib and Wei-Shu Hou},
  year={2006}
}
  • Abdesslam Arhrib, Wei-Shu Hou
  • Published 2006
  • Physics
  • We study various flavor changing neutral currents (FCNC) involving heavy quarks in the Standard Model (SM) with a sequential fourth generation. After imposing B ! Xs°, B ! Xsl + l i and Z ! bb constraints, we find B(Z ! s¯ + ¯ sb) can be enhanced by an order of magnitude to 10 i7 , while t ! cZ,cH decays can reach 10 i6 , which are orders of magnitude higher than three generation SM. However, these rates are still not observable for the near future. With the era of Large Hadron Collider… CONTINUE READING

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