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Anomalous interactions between mesons with nonzero spin and glueballs

Journal Article · · Physical Review. D.

Topologically nontrivial fluctuations control the anomalous interactions for the η and η pseudoscalar mesons. We consider the anomalous interactions for mesons with higher spin, the heterochiral nonets with J P C = 1 + and 2 + . Under the approximation of a dilute gas of instantons, the mixing angle between nonstrange and strange mesons decreases strongly as J increases, and oscillates in sign. Anomalous interactions also open up new, rare decay channels. For glueballs, anomalous interactions indicate that the X ( 2600 ) state is primarily gluonic.

Published by the American Physical Society 2024

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0012704
OSTI ID:
2335536
Alternate ID(s):
OSTI ID: 2376881
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 7 Vol. 109; ISSN PRVDAQ; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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