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Do the QCD sum rules support four-quark states?

✍ Scribed by Matheus, R. D.; Navarra, F. S.; Nielsen, M.; da Silva, R. Rodrigues


Book ID
126489657
Publisher
The American Physical Society
Year
2007
Tongue
English
Weight
275 KB
Volume
76
Category
Article
ISSN
1550-7998

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The QCD sum rule approach to the in-medium behavior of hadrons is discussed for the Ο‰ meson, nucleon and D meson. Emphasis is placed on the impact of four-quark condensates and on order parameters of spontaneous symmetry breaking.