Table 4.

Parameters from modeling using an effective two spin type system

T (K)	$n$	$\tau$ (s−1)	S 2	${\lambda }_1$ (s−1)	${\lambda }_2$ (s−1)	$\alpha$
268	2.9	0.73	0.92	6.0	0.44	0.58
233	2.0	1.1	0.95	8.1	0.74	0.66
198	1.7	1.3	0.94	7.4	0.82	0.60
178	1.2	1.4	0.91	4.7	0.70	0.42
149	0.70	0.83	0.93	1.7	0.30	0.23