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