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# 中国物理学会高能物理分会第十一届全国会员代表大会暨学术年会

Aug 8 – 12, 2022
Asia/Shanghai timezone

## Lattice QCD prediction of kaon electromagnetic form factor at large Q^2 up to 10 GeV^2.

Aug 11, 2022, 2:15 PM
15m
Oral report 强子物理与味物理

### Speaker

Ms Qi Shi (Central China Normal University)

### Description

Electromagnetic form factor, especially its asymptotic behavior for large momentum transfer ($Q^2$), of kaon provides crucial insight into the partonic structure of a Nambu-Goldstone boson in strong interaction. Studies of the electromagnetic form factor of kaon up to $Q^2 \sim 6$ GeV$^2$ are underway at the ongoing JLab12 experiment, and its measurements in an extended range of $Q^2 \sim 9 - 30$ GeV$^2$ are planned at the future Electron Ion Collider (EIC). For the first time, we will present results for the kaon electromagnetic form factor in the range of $Q^2 \sim 2 - 10$ GeV$^2$ from state-of-the-art lattice QCD calculations carried out using physical values of up, down and strange quark masses. These results will provide benchmark QCD predictions for model-based studies and the experimental measurements, in particular at the boundaries between the JLab$12$ and the EIC.

### Primary author

Ms Qi Shi (Central China Normal University)

### Co-authors

Dr Andrew D. Hanlon (Brookhaven National Laboratory) Prof. Heng-Tong Ding (Central China Normal University) Dr Philipp Scior (Brookhaven National Laboratory) Dr Sergey Syritsyn (Stony Brook University) Dr Swagato Mukherjee (Brookhaven National Laboratory) Dr Xiang Gao (Argonne National Laboratory) Dr Yong Zhao (Argonne National Laboratory)