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arXiv · 1704.00008

Hilbert Series and Operator Basis for NRQED and NRQCD/HQET

Andrew Kobach·Sridip Pal
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Abstract

We use a Hilbert series to construct an operator basis in the $1/m$ expansion of a theory with a nonrelativistic heavy fermion in an electromagnetic (NRQED) or color gauge field (NRQCD/HQET). We present a list of effective operators with mass dimension $d\leq 8$. Comparing to the current literature, our results for NRQED agree for $d\leq 8$, but there are some discrepancies in NRQCD/HQET at $d=7$ and 8.

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Andrew Kobach, Sridip Pal. 2017-03-31. Hilbert Series and Operator Basis for NRQED and NRQCD/HQET. https://doi.org/10.1016/j.physletb.2017.06.026

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