Production of axial-vector mesons at collisions with double-tagging as a way to constrain the axial meson LbL contribution to muon g-2 and/or hyperfine splitting of muonic hydrogen
arXiv:2006.01516 · doi:10.1103/PhysRevD.102.113015
Abstract
We calculate cross sections for production of axial-vector mesons for double-tagged measurements of the reaction. Different vertices from the literature are used. Both integrated cross section as well as differential distributions are calculated. Predictions for a potential measurement at Belle II are presented. Quite different results are obtained for the different vertices proposed in the literature. Future measurements at colliders could test and/or constrain the vertices and associated form factors, known to be important ingredients for calculating contributions to anomalous magnetic moment of muon and hyperfine splitting of levels of muonic atoms.
arXiv comment17 pages, 6 figures, 2 tables, misprints corrected, discussion added, some figures improved, a new figure added, new references
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Cited by in corpus (5)
- The interplay of transverse degrees of freedom and axial-vector mesons with short-distance constraints in g-2
- The light-by-light contribution to the muon anomalous magnetic moment from the axial-vector mesons exchanges within the nonlocal quark model
- Axial-vector exchange contribution to the Hyperfine Splitting
- Exclusive meson production for energy ranges available at the GSI-FAIR with HADES and PANDA
- Light-front approach to axial-vector quarkonium form factors