Moments of the pion light cone distribution amplitude in lattice QCD using the HOPE method

William Detmold¹, Anthony Grebe^1,2, Issaku Kanamori³, C.-J. David Lin^4*, Robert Perry⁵, Yong Zhao⁶

¹Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, MA, USA
²Theoretical Physics Department, Fermilab, Batavia, IL, USA
³Center for Computational Sciences, RIKEN, Kobe, Japan
⁴Institute of Physics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
⁵Department of Physics, University of Barcelona, Barcelona, Spain
⁶Physics Division, Argonne National Laboratory, Lemont, IL, USA

* Presenter:C.-J. David Lin, email:dlin@nycu.edu.tw

In this talk, I present progress on determining moments of the pion light cone distribution amplitude using lattice QCD. The method of heavy-quark operator product expansion is employed in this calculation. In particular, i will discuss our exploratory result of the 4th Mellin moment.

Keywords: quantum chromodynamics, hadron structure, lattice field theory