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Title Khuri-Treiman analysis of $J/\psi\to\pi^{+}\pi^{-}\pi^{0}$
Authors Sergi Gonzalez-Solis, Miguel Albaladejo, CESAR FERNANDEZ RAMIREZ, Nadine Hammoud, Vincent Mathieu, Gloria Montana-Faiget, Robert Perry, Alessandro Pilloni, Arkaitz Rodas, Wyatt Smith, Adam Szczepaniak
JLAB number JLAB-THY-23-3796
LANL number arXiv:2304.09736
Other number DOE/OR/23177-6038
Document Type(s) (Journal Article) 
Associated with EIC: No
Supported by Jefferson Lab LDRD Funding: No
Funding Source: Nuclear Physics (NP)
Other Funding:CIDEGENT/2020/002, 20210944PRD2, 89233218CNA000001
DE-FG02-87ER40365, DE-FG02-92ER40735, A1-S-21389
PID2020-118758GB-I00, PID2019–106080 GB-C21, BG20/
 

Journal
Compiled for Physical Review D
Publication Abstract: We study the decay $J/\psi\to\pi^{+}\pi^{-}\pi^{0}$ within the framework of the Khuri-Treiman equations. We find that the BESIII experimental di-pion mass distribution in the $\rho(770)$-region is well reproduced with a once-subtracted $P$-wave amplitude. Furthermore, we show that $F$-wave contributions to the amplitude improve the description of the data in the $\pi\pi$ mass region around 1.5 GeV. We also present predictions for the $J/\psi\to\pi^{0}\gamma^{*}$ transition form factor.
Experiment Numbers:
Group: THEORY CENTER
Document: pdf
DOI: http://dx.doi.org/10.1103/PhysRevD.108.014035
Accepted Manuscript: PhysRevD.108.014035.pdf
Supporting Documents:
Supporting Datasets: