Browsing Elektrik-Elektronik Mühendisliği Bölümü Makale Koleksiyonu by Subject "Astronomy & Astrophysics"

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Observation of eta ' -> pi(+)pi(-)mu(+)mu(-)

Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2021)

Using (1310.6 +/- 7.0) x 10(6) J/psi events acquired with the BESIII detector at the BEPCII storage rings, the decay eta' -> pi(+)pi(-)mu(+)mu(-) is observed for the first time with a significance of 8 sigma via the process ...