PoS - Proceedings of Science
Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Hadron Structure
Neutral pion transition form factor in coordinatespace
C. Tu,* L. Jin, T. Blum
*corresponding author
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Published on: May 29, 2019
Abstract
We calculate the π0 → γγ transition form factor which two photons located in coordinate space, using lattice QCD simulation with two flavors of quarks. The motivation is that the coordinate space form factor can be measured directly on a lattice and we can also study how the distance between two photons contributes the form factor. We set up a formula of the coordinate space form factor that shows the property of two photons’ behaviour, and we compare the form factor in between momentum space and coordinate space.
DOI: https://doi.org/10.22323/1.334.0058
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