Z(4430)
| Classification | Exotic meson |
|---|---|
| Composition |
c c d u |
Z(4430) is a mesonic resonance discovered by the Belle experiment. It has a mass of 4430 MeV/c2. The resonant nature of the peak has been confirmed by the LHCb experiment with a significance of at least 13.9 σ. The particle is charged and is thought to have a quark content of
c
c
d
u
, making it a tetraquark candidate. It has the spin-parity quantum numbers JP = 1+.
...
Wikipedia