Analysis of the $$\psi (4040)$$ and $$\psi (4160)$$ decay into $$D^{(*)} {{\bar{D}}}^{(*)}$$, $$D_s^{(*)}{{\bar{D}}}_s^{(*)}$$
نویسندگان
چکیده
منابع مشابه
Charmonium Decays of Y(4260), psi(4160), and psi(4040).
Using data collected with the CLEO detector operating at the CESR e+e- collider at sqrt[s]=3.97-4.26 GeV, we investigate 15 charmonium decay modes of the psi(4040), psi(4160), and Y(4260) resonances. We confirm, at 11 sigma significance, the BABAR Y(4260)-->pi+pi- J/psi discovery, make the first observation of Y(4260)--> pi(0)pi(0) J/psi (5.1 sigma), and find the first evidence for Y(4260)-->K+...
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ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 2020
ISSN: 1434-6044,1434-6052
DOI: 10.1140/epjc/s10052-020-7785-1