Decay of light scalar mesons into vector-photon and into pseudoscalar mesons
The decays of a light scalar meson into a vector meson and a photon (S→Vγ) are evaluated in the tetraquark and quarkonium assignments of the scalar states. A link with the radiative decays ϕ→Sγ is established: experimental results for S→Vγ will make it possible to decide if the direct, quark-loop co...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2010
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| In: |
Nuclear physics. A, Nuclear and hadronic physics
Year: 2010, Jahrgang: 833, Heft: 1, Pages: 138-155 |
| ISSN: | 1873-1554 |
| DOI: | 10.1016/j.nuclphysa.2009.12.007 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nuclphysa.2009.12.007 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0375947409009361 
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| Verfasserangaben: | Francesco Giacosa, Giuseppe Pagliara |
MARC
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| 520 | |a The decays of a light scalar meson into a vector meson and a photon (S→Vγ) are evaluated in the tetraquark and quarkonium assignments of the scalar states. A link with the radiative decays ϕ→Sγ is established: experimental results for S→Vγ will make it possible to decide if the direct, quark-loop contribution to ϕ→Sγ or the kaon-loop contribution is dominant. Also strong decays S→PP - where P denotes a pseudoscalar meson - are investigated: within our scheme, the tetraquark assignment works better than the quarkonium one. | ||
| 650 | 4 | |a Light scalar mesons | |
| 650 | 4 | |a Radiative decays | |
| 650 | 4 | |a Tetraquark states | |
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