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

Systematics in nucleon matrix element calculations

Jul 27, 2018, 9:30 AM
30m
Big Ten A (Kellogg Hotel and Conference Center)

Big Ten A

Kellogg Hotel and Conference Center

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

Speaker

Dr Jeremy Green (DESY, Zeuthen)

Description

The current status of calculations of simple nucleon structure observables, such as the axial charge, will be reviewed. Recent calculations have produced steadily better control over the standard sources of systematic uncertainty, and there are now multiple groups doing calculations with near-physical quark masses. A major challenge is the combination of an exponentially decaying signal-to-noise ratio and the need for large source-sink separations to eliminate excited-state contributions. There is a growing number of approaches for dealing with this problem, and an overview of them will be given.

Primary author

Dr Jeremy Green (DESY, Zeuthen)

Presentation Materials