Disconnected Loops with Twisted Mass Lattice QCD
Walter Wilcox, Dean Darnell, Ron Morgan, Randy Lewis
TL;DR
This paper discusses the use of twisted mass lattice QCD for disconnected loop calculations, focusing on nucleon strange quark form factors and presenting a prototype scalar form factor calculation.
Contribution
It provides a general introduction to twisted mass lattice QCD for disconnected loops and presents a prototype calculation relevant to nucleon scalar form factors.
Findings
Discussion of issues in twisted mass lattice QCD for disconnected loops
Orientation on experimental status of nucleon strange form factors
Prototype calculation of nucleon scalar form factor
Abstract
We give a general introduction and discussion of the issues involved in using the twisted mass formulation of lattice fermions in the context of disconnected loop calculations, including a short orientation on the present experimental situation for nucleon strange quark form factors. A prototype calculation of the disconnected part of the nucleon scalar form factor is described.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Quantum chaos and dynamical systems · Black Holes and Theoretical Physics