An introduction to lattice hadron spectroscopy for students without quantum field theoretical background

Abstract

The intention of these lecture notes is to outline the basics of lattice hadron spectroscopy to students from other fields of physics, e.g. from experimental particle physics, who do not necessarily have a background in quantum field theory. After a brief motivation and discussion of QCD, it is explained, how QCD can in principle be solved numerically using lattice QCD. The main part of these lecture notes is concerned with quantum numbers of hadrons, corresponding hadron creation operators, and how the mass of a hadron can be determined from a temporal correlation function of such operators. Finally, three recent lattice hadron spectroscopy examples from the literature are discussed on an elementary level.

27 pages, 6 figures; lectures given by Marc Wagner at "HGS-HIRe Lecture Week on Hadron Physics", July 7-12 2013, Laubach, Germany; lecture notes written by Johannes Weber, Stefan Diehl and Till Kuske

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