New charmonium states in QCD sum rules: A concise review

In the past years there has been a revival of hadron spectroscopy. Many interesting new hadron states were discovered experimentally, some of which do not fit easily into the quark model. This situation motivated a vigorous theoretical activity. This is a rapidly evolving field with enormous amount...

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Bibliographic Details
Published in:Physics reports 2010-12, Vol.497 (2), p.41-83
Main Authors: Nielsen, Marina, Navarra, Fernando S., Lee, Su Houng
Format: Article
Language:English
Subjects:
Exact sciences and technology
Physics
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Summary:In the past years there has been a revival of hadron spectroscopy. Many interesting new hadron states were discovered experimentally, some of which do not fit easily into the quark model. This situation motivated a vigorous theoretical activity. This is a rapidly evolving field with enormous amount of new experimental information. In the present report we include and discuss data which were released very recently. The present review is the first one written from the perspective of QCD sum rules (QCDSR), where we present the main steps of concrete calculations and compare the results with other approaches and with experimental data.
ISSN:0370-1573
1873-6270
DOI:10.1016/j.physrep.2010.07.005