Thermodynamical Properties of Elementary Particles
From Universe in Problems
Particles | Mass | Number of states | $g$ (particles and anti-particles) | |
---|---|---|---|---|
spin | color | |||
Photon ($\gamma$) | 0 | 2 | 1 | 2 |
$W^+,W^-$ | $80.4\, GeV$ | 3 | 1 | 6 |
$Z$ | $91.2\,GeV$ | 3 | 1 | 3 |
Gluon ($g$) | 0 | 2 | 8 | 16 |
Higgs boson | $>114\, GeV$ | 1 | 1 | 1 |
Bosons | 28 | |||
$u,/,\bar{u}$ | $3\, MeV$ | 2 | 3 | 12 |
$d,/,\bar{d}$ | $6\, MeV$ | 2 | 3 | 12 |
$s,/,\bar{s}$ | $100\,MeV$ | 2 | 3 | 12 |
$c,/,\bar{c}$ | $1.2\,GeV$ | 2 | 3 | 12 |
$b,/,\bar{b}$ | $4.2\, GeV$ | 2 | 3 | 12 |
$t,/,\bar{t}$ | $175\,GeV$ | 2 | 3 | 12 |
$e^+,\,e^-$ | $0.511\, MeV $ | 2 | 1 | 4 |
$\mu^+,\,\mu^-$ | $105.7\,MeV$ | 2 | 1 | 4 |
$\tau^+,\,\tau^-$ | $1.777\, GeV$ | 2 | 1 | 4 |
$\nu_e,\,\bar{\nu_e}$ | $<3\,eV$ | 1 | 1 | 2 |
$\nu_\mu,\,\bar{\nu_\mu}$ | $<0.19\,MeV $ | 1 | 1 | 2 |
$\nu_\tau,\,\bar{\nu_\tau}$ | $<18.2\, MeV $ | 1 | 1 | 2 |
Fermions | 90 |
Contents
Problem 1
УСЛОВИЯ
solution
РЕШЕНИЕ