S-wave scattering-amplitude poles
|
channel
|
q-qbar
|
continuum
|
ground
|
excitation
|
| | | | |
|
pion-pion
|
n - n
|
0.47 - 0.21 i
|
1.36 - 0.13 i
|
-
|
|
kaon-pion
|
s - n
|
0.77 - 0.28 i
|
1.52 - 0.10 i
|
1.79 - 0.05 i
|
|
eta-pion
|
n - n
|
0.97 - 0.028 i
|
1.45 - 0.13 i
|
-
|
|
pion-pion
|
s - s
|
0.99 - 0.020 i
|
1.51 - 0.06 i
|
-
|
|
D-pion
|
c - n
|
2.14 - 0.16 i
|
2.58 - 0.12 i
|
-
|
|
D-kaon
|
c - s
|
2.33
|
2.80 - 0.20 i
|
-
|
|
B-pion
|
b - n
|
6.06 - 0.29 i
|
5.46 - 0.03 i
|
6.03 - 0.05 i
|
|
B-kaon
|
b - s
|
6.21 - 0.33 i
|
5.61
|
6.05 - 0.03 i
|
|
B-D
|
b - c
|
7.12 - 0.43 i
|
6.64
|
7.11 - 0.03 i
|
Zeit. Phys. C30, 615 (1986)
Eur. Phys. J. C22, 493 (2001)
hep-ph/0304105
hep-ph/0312078
|