Observed Ds(2317) and tentative D(2100-2300) as the charmed cousins of the light scalar nonet -: art. no. 012003

被引：282

作者：

van Beveren, E ^{[1
]}

Rupp, G

机构：

[1] Univ Coimbra, Dept Fis, Ctr Fis Teor, P-3004516 Coimbra, Portugal

[2] Inst Super Tecn, Ctr Fis Interaccoes Fundamentais, Edificio Ciencia, P-049001 Lisbon, Portugal

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.91.012003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The very recently observed D-sJ(*)(2317)(+) meson is described as a quasibound scalar c (s) over bar state in a unitarized meson model, owing its existence to the strong P-3(0) Okubo-Zweig-Iizuka-allowed coupling to the nearby S-wave DK threshold. By the same mechanism, a scalar D-0(*)(2100-2300) resonance is predicted above the Dpi threshold. These scalars are the charmed cousins of the light scalar nonet f(0)(600), f(0)(980), K-0(*)(800), and a(0)(980), reproduced by the same model. The standard c (n) over bar and c (s) over bar charmed scalars D-0 and D-s0, cousins of the scalar nonet f(0)(1370), f(0)(1500), K-0(*)(1430), and a(0)(1450), are predicted to lie at about 2.64 and 2.79 GeV, respectively, both with a width of some 200 MeV.

引用

页数：4

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