Parameters

Ground State

Excited State

Spin I

5/2

7/2

Nuclear Quadrupole Nuclear Q (barns)

1.14(5)

1.50(7)

Nuclear Magnetic Moment (μ_N)

3.465(2)

2.587(2)

Energy E₀ (keV)

21.64

Recoil Energy E_R (10⁻³ eV)

1.6484(6)

Natural Isotopic Abundance (%)

48

$\Delta \langle r^2\rangle =\langle r_e^2\rangle -\langle r_g^2\rangle$ (10⁻³ fm²)

Multipolarity

Selection Rule

18.5

M1

ΔI = 1

ΔM₁ = 0, ±1