Matching the Standard Model to heavy-quark effective theory and nonrelativistic QCD

Assi, Benoît; Kniehl, Bernd A.; Soto, Joan

doi:10.1016/j.nuclphysb.2023.116173

Title: Matching the Standard Model to heavy-quark effective theory and nonrelativistic QCD

Journal Article · 29 March 2023 · Nuclear Physics. B

DOI: https://doi.org/10.1016/j.nuclphysb.2023.116173 · OSTI ID:2283694

^[1]; Kniehl, Bernd A. ^[2]; Soto, Joan ^[3]

Univ. of Hamburg (Germany); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Univ. of Hamburg (Germany)
University of Barcelona (Spain)

We find the leading electroweak corrections to the Lagrangians of heavy-quark effective theory and nonrelativistic QCD. These corrections appear in the Wilson coefficients of the two- and four-quark operators and are considered here at one-loop order through $$\mathscr{O}(1/m^3)$$ and $$\mathscr{O}(1/m^2)$$, respectively. The two-quark operators through this order include new parity violating terms, which we derive analogously to the parity preserving QCD result at one-loop order.

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Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 2283694

Report Number(s):: DESY-20-212; DESY20-212; FERMILAB-PUB-23-0854-T; arXiv:2011.06447; oai:inspirehep.net:2662792

Journal Information:: Nuclear Physics. B, Journal Name: Nuclear Physics. B Vol. 992; ISSN 0550-3213

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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