Publication: Search for the decay η′ →γγη
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Kolcu, Onur Buğra
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Amer Physical Soc
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Abstract
Using a data sample of 1.31 x 10(9) J/psi events collected with the BESIII detector, a search for eta' -> gamma gamma eta via J/psi ->gamma eta' is performed for the first time. No significant eta' signal is observed in the gamma gamma eta invariant mass spectrum, and the branching fraction of eta' -> gamma gamma eta is determined to be less than 1.33 x 10(-4) at the 90% confidence level.
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Çalışmada 486 yazar bulunmaktadır. Bu yazarlardan sadece Bursa Uludağ Üniversitesi mensuplarının girişleri yapılmıştır.
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Keywords
Chiral perturbation-theory, Astronomy & astrophysics, Physics
Citation
Kolcu, O. B. vd. (2019). "Search for the decay η′ →γγη". Physical Review D, 100(5), Article Number: 052015.