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

Journal Article · 30 March 2023 · Nuclear Physics. B

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

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

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1. Univ. of Hamburg (Germany); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
2. Univ. of Hamburg (Germany)
3. 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.

• 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; TRN: US2408856
• Journal Information: Nuclear Physics. B, Vol. 992; ISSN 0550-3213
• Publisher: ElsevierCopyright Statement
• Country of Publication: United States
• Language: English