t, h

α, Np/m

β, rad/m

0

0.0145

0.93

1

0.0133

0.875

2

9.5 × 10−3

0.694

3

8.8 × 10−3

0.66

4

5.76 × 10−3

0.43

4.5

1.54 × 10−4

0.429

5

9.6 × 10−5

0.429