NMR Relaxation
M
x
= M
y
= M
0
exp(-t/T
2
)
T
2
is the spin-spin (or transverse) relaxation time constant.
In general: T
1
T
2
Think of T
2
as the “randomization” of spins in the x,y-plane
Please Note: Line shape is also affected by the magnetic fields homogeneity