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Abstract
The η′ meson is associated with the U(1) anomaly. In this paper, a successful effective chiral theory of mesons has been applied to study the anomalous decays of η′ → π+π−π+(0)π−(0). Contribution of triangle and box diagrams is calculated, which indicates that the box anomaly has a significant contribution to the decay amplitudes.
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Document Type
Article
Publication Date
5-26-2021
Digital Object Identifier (DOI)
https://doi.org/10.1016/j.nuclphysb.2021.115447
Funding Information
Funded by SCOAP3.
Repository Citation
Jafari, Ehsan and Li, Bing An, "Theoretical Study on η′ → π+π−π+(0)π−(0)" (2021). Physics and Astronomy Faculty Publications. 676.
https://uknowledge.uky.edu/physastron_facpub/676
Notes/Citation Information
Published in Nuclear Physics B, v. 968, 115447.
© 2021 The Author(s)
This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/).