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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Structure of pion and kaon from lattice QCD

Jul 24, 2018, 2:20 PM
20m
106 (Kellogg Hotel and Conference Center)

106

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Hadron Structure Hadron Structure

Speaker

Dr Bipasha Chakraborty (Jefferson Lab)

Description

Direct lattice computation of the key measures of hadron structure such as the form factors, parton distribution functions, quark distribution amplitudes have always been challenging. With current enormous experimental efforts at JLab (with its 12 GeV upgrade), COMPASS in CERN, RHIC-spin and at a future EIC, it is now crucial to test and exploit the newly proposed lattice QCD ideas in hadron structure which requires increasingly high momenta. In this talk, I will discuss our recent progresses in pion/kaon structure calculations using lattice QCD. In particular, I will describe our progress at understanding the valence quark distributions of the kaon using configuration-space separated gauge-invariant hadronic currents following a recent theoretical development [Phys.Rev.Lett. 120 (2018) no.2, 022003]. I will also briefly discuss our alternative approach using method of distillation to reach higher moemnta in simpler hadronic quantities such as pion electromagnetic form factor.

Primary author

Dr Bipasha Chakraborty (Jefferson Lab)

Co-authors

Mr Colin Egerer (William and Mary) Dr David Richards (Jefferson Laboratory) Prof. Jianwei Qiu (Brookhaven National Laboratory) Joseph Karpie (William and Mary) Prof. Kostas Orginos Orginos (William and Mary / Jlab) Raul Briceno (ODU/JLab) Raza Sufian (Jef) Dr Robert Edwards (Jefferson Lab)

Presentation Materials