pwXprep = pwX90
aXswwhh4 = aX90
pwXswwhh4 = pwX90
tauXswwhh4 = 2.0 + pwXswwhh4
sw = 1/(6.0*tauXswwhh4*1e-6)

setprotect('scalesw','off',16384)
scalesw = sqrt(2)
