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The MR Spectrum
•
FT of exponential damped
sine wave = Lorentzian peak
•
Peak area proportional to n
spins
•
Linewidth (FWHM)
proportional to 1/T
2
* (shim)
•
Required: Local shimming
•
Required: water suppression
FT
•T=N
×
t
1/T
2
*