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

Positronium on the Light-front

Aug 17, 2019, 3:35 PM
20m
Guihu Room (Guilin Bravo Hotel, Guilin, China)

Guihu Room

Guilin Bravo Hotel, Guilin, China

14 South Ronghu Road, Xiangshan, Guilin 541002, Guangxi, China
Parallel Session 6: QCD and hadron structure Session 6: QCD and hadron structure

Speaker

Mr Kaiyu Fu (Institute of Modern Physics, Chinese Academy of Sciences)

Description

Basis Light-front Quantization (BLFQ) is a newly developed nonperturbative approach, aiming for solving relativistic bound systems based on the Hamiltonian formalism of the lightfront dynamics. In this work, we introduce its application to the positronium system with a dynamical photon mediating the interaction between the positron and the electron. we show the nonperturbative Hamiltonian renormalization procedure we use to cancel the fermion self-energy effect. we present results of the numerical calculation such as the mass spectrum, the wave function and the distribution of the photon inside the positronium. we also illustrate how these quantities depend on the regulators of the theory. Finally, we introduce the next step of our research.

Primary author

Mr Kaiyu Fu (Institute of Modern Physics, Chinese Academy of Sciences)

Co-authors

Mr Hengfei Zhao (Institute of Modern Physics, Chinese Academy of Sciences) Prof. Xingbo Zhao (Institute of Modern Physics, Chinese Academy of Sciences)

Presentation materials