def FourierP(Signal, lum, lumDiv, T, k, M5, massList, mpnk):
#Initialize variables
Psq = 0
#Bins to scan over
binMin = bisect_left(massList, max(k, 150))
binMax = bisect_left(massList, max((1 + mpnk) * k, binMin))
#Loop over signal
for b in range(binMin, binMax - 1):
if lumDiv:
lumT = lum[b]
else:
lumT = 1
Psq += 1 / (2 * math.pi)**0.5 * Signal[b] / lumT * cmath.exp(
1j * 2 * math.pi * Basic.R(M5, k) *
(massList[b]**2 - k**2)**0.5 / T) * (massList[b + 1] - massList[b])
#Return P(T)
return (numpy.absolute(Psq))**2
