Dispersive analysis of ω/Φ → 3π, πγ*

Danilkin, Igor V.; Fernandez Ramirez, Cesar; Guo, Peng; Mathieu, Vincent; Schott, Diane M.; Shi, Meng; Szczepaniak, Adam P.

doi:10.1103/PhysRevD.91.094029

Title: Dispersive analysis of ω/Φ → 3π, πγ*

Journal Article · Fri May 01 04:00:00 UTC 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI: https://doi.org/10.1103/PhysRevD.91.094029 · OSTI ID:1182721

Danilkin, Igor V. ^[1]; Fernandez Ramirez, Cesar ^[2]; Guo, Peng ^[3]; Mathieu, Vincent ^[3]; Schott, Diane M. ^[4]; Shi, Meng ^[5]; Szczepaniak, Adam P. ^[6]

Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States). JLAB
Indiana Univ., Bloomington, IN (United States)
George Washington Univ., Washington, DC (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Peking Univ., Beijing (China)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Indiana Univ., Bloomington, IN (United States)

The decays ω/Φ → 3π are considered in the dispersive framework that is based on the isobar decomposition and subenergy unitarity. The inelastic contributions are parametrized by the power series in a suitably chosen conformal variable that properly accounts for the analytic properties of the amplitude. The Dalitz plot distributions and integrated decay widths are presented. Our results indicate that the final- state interactions may be sizable. As a further application of the formalism we also compute the electromagnetic transition form factors of ω/Φ → π⁰γ*.

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Research Organization:: Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)

Grant/Contract Number:: FG02-87ER40365; AC05-06OR23177

OSTI ID:: 1182721

Report Number(s):: JLAB-THY--14-1960; DOE/OR/23177--3189; arXiv:1409.7708

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Journal Issue: 9 Vol. 91; ISSN PRVDAQ; ISSN 1550-7998

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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