Table 1.

Results of the global analyses of the data sets recorded at 20, 77, 110, 150, and 240 K

T	20 K	77 K	110 K	150 K	240 K
τ1, ps	2.6	0.7	0.5	0.5	0.4
τ2, ps	120	34	37	33	18
τ3, ns	2	4	9	∞	6

In the fits a component that follows the pump pulse instantaneously (τ₀) was included at all temperatures. The error in the lifetimes is about 10%, except for τ₃, of which the lifetime cannot be determined well in this experiment.