| PDG encoding | 321 |
| Type | meson |
| Mass | 4.9367700e-01 [GeV/c2] |
| Width | 5.3170000e-17 [GeV/c2] |
| I JPC | 1/2 0- |
| Charge | 1.0000000e+00 |
| Magnetic Moment | not defined |
| Life Time | 1.2380000e-08[sec] |
| flavour | quark | anti-quark |
| d | 0 | 0 |
| u | 1 | 0 |
| s | 0 | 1 |
| c | 0 | 0 |
| b | 0 | 0 |
| t | 0 | 0 |
| BR | kinematics | |||
| 6.3550000e-01 | Phase Space | mu+ | nu_mu | |
| 2.0660000e-01 | Phase Space | pi+ | pi0 | |
| 5.5900000e-02 | Phase Space | pi+ | pi+ | pi- |
| 5.0700000e-02 | KL3 Decay | pi0 | e+ | nu_e |
| 3.3500000e-02 | KL3 Decay | pi0 | mu+ | nu_mu |
| 1.7610000e-02 | Phase Space | pi+ | pi0 | pi0 |