Quantum Particles
| particles [matter] |
fermions [substance] half spin |
leptons spin ½ |
electrons -1 e |
electron 0.511 MeV stable |
| muon electron 105.66 MeV 2.12×10-6 secs |
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| tau electron 1776.8 MeV 2.9×10-13 secs |
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| neutrinos 0 e 0.32±0.081 eV |
electron neutrino | |||
| muon neutrino | ||||
| tau neutrino | ||||
| quarks spin ½ #Q=hadron 3Q=baryon 2Q=meson |
positive +2/3 e |
up 1.8–3.0 MeV stable |
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| charm 1.18–1.34 GeV ~10-13 secs |
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| top 172.1–172.7 GeV 5×10-25 secs |
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| negative -1/2 e |
down 4.5–5.3 MeV stable |
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| strange 90.0–100.0 MeV ~10-9 secs |
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| bottom 4.15–4.21 GeV ~10-12 secs |
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| bosons [force] whole spin |
electromagnetic spin 1 |
0 e | photon 0 eV stable |
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| weak force spin 1 |
+1 e | W+ 80.3 GeV 3×10-25 secs |
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| 0 e | Z0 91.2 GeV 3×10-25 secs |
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| -1 e | W- 3×10-25 secs |
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| mass (intrinsic) spin 0 |
0 e | Higgs boson 125.09±0.21 GeV 1.56×10-22 secs |
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| gravity spin 2 |
0 e | {graviton} 0 eV stable |
