24-30 July 2016
Highfield Campus, University of Southampton
Europe/London timezone

Nucleon charges and form factors from clover-on-clover and clover-on-HISQ simulations

28 Jul 2016, 17:50
20m
Building B2a Room 2077 (Highfield Campus, University of Southampton)

Building B2a Room 2077

Highfield Campus, University of Southampton

Talk Hadron Structure Hadron Structure

Speaker

Dr Rajan Gupta (Los Alamos National Laboratory)

Description

High precision estimates of the iso-vector nucleon charges g_A, g_S and g_T, electric, magnetic and axial form factors measured on four ensembles of 2+1 flavor clover fermions will be presented and compared with those from clover-on-HISQ calculations. An analysis of systematic uncertainties due the lattice volume, lattice spacing, quark mass and renormalization will also be presented for both sets of calculations. Phenomenological implications and constraints on novel scalar and tensor interactions at the TeV scale will be discussed.

Primary author

Dr Rajan Gupta (Los Alamos National Laboratory)

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