Vector boson pair production at one loop: analytic results for the process $$q\bar{q}$$$$ℓ\bar{ℓ}$$$$ℓ'\bar{ℓ}'g$$
Abstract
We present compact analytic results for the one-loop amplitude for the process 0 → $$q\bar{q}$$$$ℓ\bar{ℓ}$$$$ℓ'\bar{ℓ}'g$$, relevant for both the production of a pair of Z and W-bosons in association with a jet. We focus on the gauge-invariant contribution mediated by a loop of quarks. We explicitly include all effects of the loop-quark mass m, appropriate for the production of a pair of Z-bosons. In the limit m → 0, our results are also applicable to the production of W-boson pairs, mediated by a loop of massless quarks. Implemented in a numerical code, the results are fast. The calculation uses novel advancements in spinor-helicity simplification techniques, for the first time applied beyond five-point massless kinematics. We make use of primary decompositions from algebraic-geometry, which now involve non-radical ideals, and p-adic numbers from number theory. We show how to infer whether numerator polynomials belong to symbolic powers of non-radical ideals through numerical evaluations.
- Authors:
-
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Albert-Ludwigs-Universität, Freiburg (Germany)
- Durham University (United Kingdom)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1879530
- Report Number(s):
- FERMILAB-PUB-22-231-T; FR-PHENO-2022-06; IPPP/22/17; arXiv:2203.17170
Journal ID: ISSN 1029-8479; oai:inspirehep.net:2060823; TRN: US2307653
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2022; Journal Issue: 7; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Nature
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; scattering amplitudes; electroweak precision physics; higher-order perturbative calculations
Citation Formats
Campbell, John M., De Laurentis, Giuseppe, and Ellis, R. Keith. Vector boson pair production at one loop: analytic results for the process $q\bar{q}$$ℓ\bar{ℓ}$$ℓ'\bar{ℓ}'g$. United States: N. p., 2022.
Web. doi:10.1007/jhep07(2022)096.
Campbell, John M., De Laurentis, Giuseppe, & Ellis, R. Keith. Vector boson pair production at one loop: analytic results for the process $q\bar{q}$$ℓ\bar{ℓ}$$ℓ'\bar{ℓ}'g$. United States. https://doi.org/10.1007/jhep07(2022)096
Campbell, John M., De Laurentis, Giuseppe, and Ellis, R. Keith. Fri .
"Vector boson pair production at one loop: analytic results for the process $q\bar{q}$$ℓ\bar{ℓ}$$ℓ'\bar{ℓ}'g$". United States. https://doi.org/10.1007/jhep07(2022)096. https://www.osti.gov/servlets/purl/1879530.
@article{osti_1879530,
title = {Vector boson pair production at one loop: analytic results for the process $q\bar{q}$$ℓ\bar{ℓ}$$ℓ'\bar{ℓ}'g$},
author = {Campbell, John M. and De Laurentis, Giuseppe and Ellis, R. Keith},
abstractNote = {We present compact analytic results for the one-loop amplitude for the process 0 → $q\bar{q}$$ℓ\bar{ℓ}$$ℓ'\bar{ℓ}'g$, relevant for both the production of a pair of Z and W-bosons in association with a jet. We focus on the gauge-invariant contribution mediated by a loop of quarks. We explicitly include all effects of the loop-quark mass m, appropriate for the production of a pair of Z-bosons. In the limit m → 0, our results are also applicable to the production of W-boson pairs, mediated by a loop of massless quarks. Implemented in a numerical code, the results are fast. The calculation uses novel advancements in spinor-helicity simplification techniques, for the first time applied beyond five-point massless kinematics. We make use of primary decompositions from algebraic-geometry, which now involve non-radical ideals, and p-adic numbers from number theory. We show how to infer whether numerator polynomials belong to symbolic powers of non-radical ideals through numerical evaluations.},
doi = {10.1007/jhep07(2022)096},
journal = {Journal of High Energy Physics (Online)},
number = 7,
volume = 2022,
place = {United States},
year = {Fri Jul 15 00:00:00 EDT 2022},
month = {Fri Jul 15 00:00:00 EDT 2022}
}
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