Comment on the Matrix Element of O₁₁
He, Xiao-Gang · Valencia, German
Original · EN
The gluon dipole operator, O₁₁, has received much attention recently because it can have a large coefficient in some SUSY extensions of the standard model. We find that the commonly used matrix element of O₁₁ of Bertolini, Eeg and Fabbrichesi is in rough (but accidental) numerical agreement with an estimate based on dimensional analysis.
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