decay

width_calc [GeV]

width_obs [GeV]

rel. Δwidth

I_i

I_f

l = ΔI

G

x

m_X

G formula

${\mu }^{-}\to e^{-}{\overline{\nu }}_e{\nu }_{\mu }$

3.01736 × 10⁻¹⁹

2.954 × 10⁻¹⁹

0.014218

1

3

4

1.50165 × 10⁻⁷

0.00482075

717.027

$G=G_0/\sqrt{192{\pi }^3}$

${\tau }^{-}\to e^{-}{\overline{\nu }}_e{\nu }_{\tau }$

4.02938 × 10⁻¹³

4.041 × 10⁻¹³

0.00296956

1

3

4

1.50165 × 10⁻⁷

0.000287079

717.105

$G=G_0/\sqrt{192{\pi }^3}$

${\tau }^{-}\to {\mu }^{-}{\overline{\nu }}_{\mu }{\nu }_{\tau }$

3.97253 × 10⁻¹³

3.932 × 10⁻¹³

0.00305188

1

3

4

1.50165 × 10⁻⁷

0.0595506

695.878

$G=G_0/\sqrt{192{\pi }^3}$

${\pi }^{+}\to {\pi }^0{e}^{+}{\nu }_e$

2.63622 × 10⁻²⁵

2.619 × 10⁻²⁵

0.067583

1

3

4

2.12366 × 10⁻⁸

0.970753

468.38

$G=G_0/\sqrt{192\times 50{\pi }^3}$

$n\to p{e}^{-}{\overline{\nu }}_e$

7.12154 × 10⁻²⁸

7.239 × 10⁻²⁸

0.000897914

1

3

4

1.13514 × 10⁻⁸

0.999171

204.69

$G=G_0/\sqrt{192\times 175{\pi }^3}$

${\Sigma }^{+}\to \Lambda e^{+}{\nu }_e$

1.67174 × 10⁻¹⁹

1.642 × 10⁻¹⁹

0.249695

1

3

4

1.86257 × 10⁻⁸

0.938466

703.24

$G=G_0/\sqrt{192\times 65{\pi }^3}$

${\Sigma }^{-}\to \Lambda e^{-}{\overline{\nu }}_e$

2.5218 × 10⁻¹⁹

2.55 × 10⁻¹⁹

0.0470588

1

3

4

1.86257 × 10⁻⁸

0.932157

740.33

$G=G_0/\sqrt{192\times 65{\pi }^3}$