https://doi.org/10.1140/epjc/s10052-021-09255-w
Regular Article - Theoretical Physics
Possible assignments of highly excited 
, 
and 
Department of Physics, Shanghai University, 200444, Shanghai, China
Received:
15
April
2021
Accepted:
16
May
2021
Published online:
28
May
2021
Possible assignments of highly excited , and are explored in a 
strong decay model. Decay widths, branching fraction ratios 
and the branching fractions of DN channels of theses assignments are computed. 
channel is a very important channel to provide information on the inner excitation and structure of these highly excited 
. In our analysis, may be a 1D-wave excited with 
, which has dominant DN decay channels with a branching fraction 
and a branching ratio 
. is very possibly a 1F-wave excited with 
; In this assignment, the predicted total decay width (
MeV) is comparable to the measured 
MeV, and the predicted is consistent with the measured 
; The DN channels are its dominant strong decay channels with a branching fraction 
. seems impossibly a 1D-wave excited with 
once the presently measured is confirmed. may be a 2P-wave excited 
. In this case, has a total decay width 
MeV, a branching ratio 
and the DN decay channels with a branching fraction 
. In order to understand the inner excitation and structure of these highly excited , measurements of those predicted quantities are required in the future.
© The Author(s) 2021
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