Elementary Particles

 

Charge     colour

symbol

particle

 

Mass*

 

 

 

 

 

 

 

 

Q

U

A

R

K

S

+2/3    R,G,B

 

u

up

 

 

 

1.54.0 MeV

+2/3      R,G,B

 

c

charm

 

 

 

11501350 MeV

+2/3      R,G,B

 

 

t

top/truth

 

 

172.5 ± 2.3 GeV

0                    0

 

g

photon

 

 

 

0

E

L

E

C

T

R

O

M

A

G

N

E

T

I

S

M

-1/3       R,G,B

 

d

down

 

48 MeV

-1/3            R,G,B

 

u

strange

 

80130 MeV

-1/3             R,G,B

 

u

bottom/beauty

 

 

4.14.4 GeV

0              R,G,B

 

g

gluon

 

0

S
T
R
O
N
G

 

I

N

T

E

R

 

 

 

L

E

P

T

O

N

S

0            0

 

ve

electron neutrino

 

< 2.2 eV

0             0

 

vu

muon neutrino

 

< 170 keV

0                0

 

vt

tau neutrino

 

< 28 MeV

± 1                0 

 

W±

W boson

 

80.398±0.025 GeV

 

W

E

A

K

 

I

N

T

E

R

A

C

T

I

O

N

-1                0   

 

e

electron

 

0.511 MeV

-1                 0   

 

u

muon

 

106 MeV

-1                  0   

 

t

tau

 

177.1 MeV

0                   0   

 

Zo

Z boson

 

91.1876±0.0021 GeV

 

 

 

*References for Masses

 

http://arxiv.org/abs/hep-ex/0603039 top quark mass

http://pdg.lbl.gov/2005/listings/qxxx.html : other quark masses

http://cupp.oulu.fi/neutrino/nd-mass.html : neutrino masses

http://www2.slac.stanford.edu/VVC/theory/leptons.html : lepton masses

http://en.wikipedia.org/wiki/W_and_Z_bosons : boson masses