期刊
PHYSICAL REVIEW D
卷 106, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.106.093006
关键词
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资金
- U.S. Department of Energy, Office of Science, Office of High Energy Physics [DE-SC0019095, DE-SC0008475]
- United States Department of Energy
- Visiting Scholars Award Program of the Universities Research Association
- U.S. Department of Energy through the Los Alamos National Laboratory (LANL)
- National Nuclear Security Administration of U.S. Department of Energy [20210968PRD4]
- LANL's Laboratory Directed Research and Development (LDRD/PRD) program [233]
- Heising-Simons Foundation
- Simons Foundation
- National Science Foundation
- Fermi Research Alliance, LLC
- Neutrino Theory Network at Fermilab
- Fermilab Intensity Frontier Fellowship
- University of Rochester's Steven Chu Professorship in Physics [231, 232]
- [89233218CNA000001]
- [234]
- [NSF PHY-1748958]
- [DE-AC02-07CH11359]
Control over quantum electrodynamics radiative corrections is crucial for accurate determination of neutrino oscillation probabilities. We provide a theoretical foundation for calculating these corrections and investigate the impact of QED corrections on neutrino scattering cross sections.
Control over quantum electrodynamics (QED) radiative corrections is critical for precise determination of neutrino oscillation probabilities from observed (anti)neutrino detection rates. It is particularly important to understand any difference between such corrections for different flavors of (anti)neutrinos in charged -current interactions. We provide theoretical foundations for calculating these corrections. Using effective field theory, the corrections are shown to factorize into soft, collinear, and hard functions. The soft and collinear functions contain large logarithms in perturbation theory but are computable from QED. The hard function parametrizes hadronic structure but is free from large logarithms. Using a simple model for the hard function, we investigate the numerical impact of QED corrections in charged-current (anti)neutrino-nucleon elastic cross sections and cross-section ratios at GeV energies. We consider the implications of mass singularity theorems that govern the lepton-mass dependence of cross sections for sufficiently inclusive observables and demonstrate the cancellation of leading hadronic and nuclear corrections in phenomenologically relevant observables.
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