#p145: Tb155 half-life from 105 keV using foil 9. Beckie quotes chi^2/dof = 0.4
#19 data points. Time since irrad (s) vs ln(A_e)
#Chisqw/D.O.F. = 0.086104, (weighted by 1.0/dy^2), fitting mode: 7
 95408.000      7.426      0.09
101371.000      7.417      0.09
116279.000      7.447      0.08
161002.000      7.339      0.08
177400.000      7.299      0.08
229577.000      7.203      0.08
254919.000      7.154      0.08
356291.000      6.965      0.09
457662.000      6.872      0.09
573942.000      6.649      0.08
757305.000      6.377      0.08
924270.000      6.120      0.08
1143411.000     5.789      0.08
1319320.000     5.523      0.09
1535480.000     5.208      0.09
1706917.000     4.923      0.10
1924568.000     4.589      0.12
2097496.000     4.252      0.13
2312165.000     3.973      0.15
& #lsf fit: y = 7.571200 - 1.55889e-06*x
0.0000	        7.5712    0.00
2498509.2427    3.6763    0.00