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380 Chapter 13 Radioactivity and Elementary Particles Copyright 2003 Nelson
Instructional Master
The Standard Model: A Table of ParticlesLSM 13.7-1
Table 1 The Standard Model
Fermionsbuilding blocks of matter; spin 1
2
Leptons Quarks
Name Charge Mass Name Charge Mass
(me ) (me )
electron 1 1 up 23
20
electron neutrino 0 0 down 13
20
muon 1 200 charm 23
3 000
muon neutrino 0 0 strange 13
300
tau 1 3 600 top 23
350 000
tau neutrino 0 0 bottom 13
11 000
Bosonscarriers of forces
Name Spin Force
photon 1 electromagnetic force
W+, W0, and Z bosons 1 weak nuclear force
gluons (8 different types) 1 strong nuclear force
graviton 2 gravitational force
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