TY - CONF AU - Hasan, Nesreen AU - Meinel, Stefan AU - Green, Jeremy AU - Engelhardt, Michael AU - Krieg, Stefan AU - Negele, John AU - Pochinsky, Andrew AU - Syritsyn, Sergey AU - Lippert, Thomas TI - Computing the nucleon Dirac radius directly at Q²=0 M1 - FZJ-2016-07799 PY - 2016 AB - We describe a lattice approach for directly computing momentum derivatives of nucleon matrix elements using the Rome method, which we apply to obtain the isovector magnetic moment and Dirac radius. We present preliminary results calculated at the physical pion mass using a 2HEX-smeared Wilson-clover action. For removing the effects of excited-state contamination, the calculations were done at three source-sink separations and the summation method was used. T2 - IAS Symposium 2016 CY - 5 Dec 2016 - 6 Dec 2016, Jülich (Germany) Y2 - 5 Dec 2016 - 6 Dec 2016 M2 - Jülich, Germany LB - PUB:(DE-HGF)24 UR - https://juser.fz-juelich.de/record/825336 ER -