Fermion

Fermion

Mass

mf, MeV

Macroobject

Mass

Mmax, kg

Macroobject

Radius

Rmin, m

Macroobject

Density

ρmax, kgm−3

DMF1

1.3 × 106

1.9 × 1030

8.6 × 103

7.2 × 1017

DMF2

9.6 × 103

1.9 × 1030

8.6 × 103

7.2 × 1017

Electron-Positron

0.51

6.6 × 1036

2.9 × 1010

6.3 × 104

DMF3

3.7 × 10−3

1.2 × 1041

5.4 × 1014

1.8 × 10−4

DMF4

2 × 10−7

4.2 × 1049

1.9 × 1023

1.5 × 10−21