Parallel Session D1 – Chair: Q. ZhaoNo Access
OBSERVATION OF 
NEAR-THRESHOLD ENHANCEMENT AT BES
https://doi.org/10.1142/S0217751X05023797Cited by:22 (Source: Crossref)
Abstract
We observe a narrow enhancement near 2mp in the invariant mass spectrum of 
pairs from radiative 
decays. In the case of S-wave fit, the peak mass is below 2mp at 
and the total width is Γ<30MeV at the 90% confidence level. And we also find near-threshold enhancement in the invariant mass spectrum of 
in 
decays. The mass is m=2075±12(stat)±5(syst)MeV and width is Γ=90±35(stat)±9(syst)MeV. A 
near-threshold enhancement is also studied and it has m=1.50~1.65GeV, Γ=70~110MeV with 
.
Keywords:
| You currently do not have access to the full text article. |
|---|
