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Partial widths a0(980)→γγ, f0(980)→γγ and qq̄-classification of the lightest scalar mesons

✍ Scribed by A.V. Anisovich; V.V. Anisovich; D.V. Bugg; V.A. Nikonov

Book ID
108440237
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
151 KB
Volume
456
Category
Article
ISSN
0370-2693

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Renormalization of the f0(980) and a0(98
Renormalization of the f0(980) and a0(980) scalar resonances in a nuclear medium
✍ E. Oset; M.J. Vicente Vacas 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 226 KB

The meson-meson interaction in the scalar sector in the presence of a nuclear medium is studied with particular attention to the change of the properties of the f 0 (980) and a 0 (980) resonances. By using a chiral unitary approach which generates the f 0 and a 0 resonances and reproduces their free