Fermion

Charge

Mass (MeV/c2)

Holographic radius r (fm)

electron

e

0.510999

0.698031

muon

e

105.7

10.04

tau

e

1777

41.16

up quark

2e/3

2.04340

1.39606

charm quark

2e/3

1270

34.80

top quark

2e/3

173,000

406

down quark

e/3

4.59899

2.09409

strange quark

e/3

93.4

9.44

bottom quark

e/3

4180

6.31