NMR Relaxation
Mx = My = M0 exp(-t/T2)
T2 is the spin-spin (or transverse) relaxation time constant.
In general: T1 T2
Think of T2 as the “randomization” of spins in the x,y-plane
Related to line-shape
Please Note: Line shape is also affected by
the magnetic fields homogeneity
(derived
from Hisenberg uncertainty principal)