https://doi.org/10.1140/epjc/s10052-020-08468-9
Regular Article - Theoretical Physics
Resonant
state in triangle rescattering
decays
1
School of Physics and Information Engineering, Shanxi Normal University, 041004, Linfen, China
2
Chongqing University of Posts and Telecommunications, 400065, Chongqing, China
Received:
4
March
2020
Accepted:
12
September
2020
Published online:
27
September
2020
We study the ,
decays, which have been recently measured by the BESIII collaboration. We propose that
receives the contributions from the triangle rescattering processes, where
and
in
, by exchanging
, are formed as
and
, respectively, with
. Accordingly, we calculate that
and
, being consistent with the data.
© The Author(s) 2020
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