Differences between heavy and light quarks

Details Differences between heavy and light quarks Differences between heavy and light quarks

1997-10-27

arxiv.org/abs/nucl-th/9710062v1

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures, Contribution to the IVth International Workshop on Progress in Heavy Quark Physics, 20-22 Sept. 1997, Rost

Scientific paper

The quark Dyson-Schwinger equation shows that there are distinct differences between light and heavy quarks. The dynamical mass function of the light quarks is characterised by a sharp increase below 1 GeV, whereas the mass function of the heavy quarks is approximately constant in this infrared region. As a consequence, the heavy-meson masses increase linearly with the current-quark masses, whereas the light pseudoscalar meson masses are proportional to the square root of the current-quark masses.

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