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Aug 16 – 21, 2019
Guilin Bravo Hotel, Guilin, China
Asia/Shanghai timezone

Dispersion techniques for processes gamma^(*) gamma^(*) -> pi pi/pi eta

Aug 20, 2019, 10:45 AM
25m
Ludi Room (Guilin Bravo Hotel, Guilin, China)

Ludi Room

Guilin Bravo Hotel, Guilin, China

14 South Ronghu Road, Xiangshan, Guilin 541002, Guangxi, China
Leading parallel Session 5: Analysis tools Session 5: Analysis tools

Speaker

Igor Danilkin (Institute of Physics, Johannes-Gutenberg University Mainz)

Description

In my talk, I will present our recent dispersive analysis of the gamma* gamma* -> pipi/ pieta processes from the threshold up to 1.4 GeV in the two-photon invariant mass. These amplitudes serve as an important input to constrain the hadronic piece of light-by-light scattering contribution to (g-2) and support the current experimental program at BESIII.

Primary author

Igor Danilkin (Institute of Physics, Johannes-Gutenberg University Mainz)

Co-authors

Prof. Marc Vanderhaeghen (University Mainz) Ms Oleksandra Deineka (Mainz University)

Presentation materials