How does the
S
11
N
*(890) state emerge from a naive
K
-matrix fit?
Yao Ma,Wen-Qi Niu,Yu-Fei Wang,Han-Qing Zheng
Table 3.
Fit III: poles obtained using equation (
8
).
Sheets
Pole positions on $\sqrt{s}$ plane in unit of GeV
I
1.35 − 0.58i
II
1.67 − 0.07i; 0.93 − 0.27i
III
1.65 − 0.09i; 1.53 − 0.07i
IV
1.54 − 0.01i