Higher Moments of Heavy Quark Correlators in the Low Energy Limit at O ( α 2 s )
نویسنده
چکیده
We present the first 30 moments of the low energy expansions of the vector, axialvector, scalar and pseudo-scalar heavy quark correlation functions at three-loop order, including the singlet contribution which appears for the first time at three loops. In addition we compare the behavior of the moments for large n with the prediction from threshold calculations.
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تاریخ انتشار 2007