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Quarkonia | SpringerLink

In the second part of this book we are going to consider hadronic bound-states. We will at first discuss the properties of mesons and baryons. The simplest example are heavy quark-antiquark (\(\mathrm{c\overline{c}}\) and \(\mathrm{b\overline{b}}\)) pairs, which are known as quarkonia. Due to the large quark masses they may be approximately treated in a nonrelativistic manner. The hydrogen atom and positronium will serve as electromagnetic analogues. The relative positions of the quarkonia’s energy levels are used to determine the potential and the coupling constant of the strong interaction.

Analogy is perhaps the physicist’s most powerful conceptual

tool for understanding new phenomena or opening new areas of

investigation. Early in this century, for example, Ernest

Rutherford and Niels Bohr conceived the atom as a miniature

solar system in which electrons circle the nucleus as planets

circle the Sun.

V. L. Telegdi [9]

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1. 1.

   By this we mean the average separation between the quark and the antiquark (see Fig. 14.2).

2. 2.

   The standard nomenclature for mesons containing heavy quarks is such that the neutral meson with a b-quark is called a \(\mathrm{\overline{B}}^{0}\) and the meson with a \(\mathrm{\overline{b}}\) is known as a B⁰. An electrically neutral \(\mathrm{q\overline{q'}}\) state is marked with a bar, if the heavier quark/antiquark is negatively charged [8].

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1. Max-Planck-Institut für Kernphysik, Heidelberg, Germany

   Bogdan Povh & Werner Rodejohann

2. Department Physik, Universität Erlangen-Nürnberg, Erlangen, Germany

   Klaus Rith

3. SAP AG, Walldorf, Germany

   Christoph Scholz

4. DFS Deutsche Flugsicherung GmbH, Langen, Germany

   Frank Zetsche

1. Bogdan Povh
2. Klaus Rith
3. Christoph Scholz
4. Frank Zetsche
5. Werner Rodejohann

© 2015 Springer-Verlag Berlin Heidelberg

Povh, B., Rith, K., Scholz, C., Zetsche, F., Rodejohann, W. (2015). Quarkonia. In: Particles and Nuclei. Graduate Texts in Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46321-5_14

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• DOI: https://doi.org/10.1007/978-3-662-46321-5_14

• Publisher Name: Springer, Berlin, Heidelberg

• Print ISBN: 978-3-662-46320-8

• Online ISBN: 978-3-662-46321-5

• eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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