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Paper IPM / Particles / 11149 |
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Abstract: | |||||||||||
We study the one loop contribution of the down type quark of the SM-like fourth generation (b | #8242;) on the top quark electric dipole moment. Using the known limits on the top quark electric dipole moments (EDM), we place limits on the b | #8242; mass. Then from the estimated ratio for the masses of the fourth generation of quarks from other studies and the achieved bound from top quark EDM on mb | #8242; , we obtain a limit for the up type quark of fourth generation (t |
#8242;) mass.
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