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Next-to-leading power SCET in Higgs amplitudes induced by light quarks
by Xing Wang
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Submission summary
| Authors (as registered SciPost users): | Xing Wang |
| Submission information | |
|---|---|
| Preprint Link: | https://arxiv.org/abs/2110.05174v1 (pdf) |
| Date accepted: | Feb. 16, 2022 |
| Date submitted: | Oct. 12, 2021, 9:35 a.m. |
| Submitted by: | Wang, Xing |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 15th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology (RADCOR2021) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approaches: | Theoretical, Phenomenological |
Abstract
In this article, we report how to use the "plus-type" subtraction scheme to deal with endpoint divergences in h→γγ or gg→h amplitudes induced by light quark loop, which can be formulated by next-to-leading power (NLP) SCET. This subtraction is ensured by two re-factorization conditions, which have been proven to all orders in αs. Based on these conditions, cutoffs emerge naturally after some re-arrangements to handle endpoint divergences and renormalization is compatible with that. Our formalism can analytically reproduce three-loop amplitudes up to ln3(−M2h/m2b−i0) and resum to next-to-leading logarithm and beyond.
Published as SciPost Phys. Proc. 7, 040 (2022)
Reports on this Submission
Strengths
The article reports on the work presented at RADCOR/LoopFest 2021. It fulfills all the requirements for publication in SciPost Proceedings.
Weaknesses
None.
Report
The article reports on the work presented at RADCOR/LoopFest 2021. It fulfills all the requirements for publication in SciPost Proceedings and therefore we recommend its publication.
Requested changes
None.