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The $Hb\bar{b}$ vertex at four loops and hard matching coefficients in SCET for various currents

We compute the four-loop corrections to the Higgs-bottom vertex within massless QCD and present analytic results for all color structures. The infrared poles of the renormalized form factor agree with the predicted four-loop pattern. Furthermore, we use the results for the Higgs-bottom, photon-quark, and Higgs-gluon form factors to provide hard matching coefficients in soft-collinear effective theory up to four-loop accuracy.

preprint2022arXivOpen access
Amlan ChakrabortyTobias HuberRoman N. LeeAndreas von ManteuffelRobert M. SchabingerAlexander V. SmirnovVladimir A. SmirnovMatthias Steinhauser
hep-phhep-th
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Open access8 authors2 topics
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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Amlan ChakrabortyTobias HuberRoman N. LeeAndreas von ManteuffelRobert M. SchabingerAlexander V. SmirnovVladimir A. SmirnovMatthias Steinhauser

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