Particle Table
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HADRONS - made of quarks
- BARYONS - made of three quarks or three anti-quarks
- NUCLEONS - contain no strange quarks
| PARTICLE |
CHARGE |
MASS(MeV) |
| proton |
+1 |
938.27231 |
| anti-proton |
-1 |
938.27231 |
| neutron |
0 |
939.56563 |
| anti-neutron |
0 |
939.56563 |
- HYPERONS - contain one or more strange quarks
| PARTICLE |
CHARGE |
MASS(MeV) |
| lambda |
0 |
1115.684 |
| anti-lambda |
0 |
1115.684 |
| positive sigma |
+1 |
1189.37 |
| anti-positive sigma |
-1 |
1189.37 |
| neutral sigma |
0 |
1192.55 |
| anti-neutral sigma |
0 |
1192.55 |
| negative sigma |
-1 |
1197.436 |
| anti-negative sigma |
+1 |
1197.436 |
| neutral xi |
0 |
1314.9 |
| anti-neutral xi |
0 |
1314.9 |
| negative xi |
-1 |
1321.32 |
| anti-negative xi |
+1 |
1321.32 |
| negative omega |
-1 |
1672.45 |
| positive omega |
+1 |
1672.45 |
- MESONS - made of one quark and one anti-quark
| PARTICLE |
CHARGE |
MASS(MeV) |
| positive pion |
+1 |
139.56995 |
| negative pion |
-1 |
139.56995 |
| neutral pion |
0 |
134.9764 |
| positive kaon |
+1 |
493.677 |
| negative kaon |
-1 |
493.677 |
| neutral kaon |
0 |
497.672 |
| anti-neutral kaon |
0 |
497.672 |
| eta |
0 |
547.45 |
LEPTONS - elementary particles not made of quarks
| PARTICLE |
CHARGE |
MASS(MeV) |
| positron |
+1 |
0.51099907 |
| electron |
-1 |
0.51099907 |
| electron neutrino |
0 |
0 |
| electron anti-neutrino |
0 |
0 |
| positive muon |
+1 |
105.658389 |
| negative muon |
-1 |
105.658389 |
| muon neutrino |
0 |
0 |
| muon anti-neutrino |
0 |
0 |
| positive tau |
+1 |
1777.0 |
| negative tau |
-1 |
1777.0 |
| tau neutrino |
0 |
0 |
| tau anti-neutrino |
0 |
0 |
GAUGE BOSON - carries force
| PARTICLE |
CHARGE |
MASS(MeV) |
| gamma |
0 |
0 |
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Last Update: June 5, 1998