Table 1.

Results of the parallel (multi)exponential models used to fit the traces at (17,066, 15,100) cm⁻¹ (triangle, ET signal), (17,066, 16,700) cm⁻¹ (higher ESA, square) and (17,066, 15,850) cm⁻¹ (lower ESA, circle); positive (negative) amplitudes indicate rising (decaying) components.

	A1		T1/fs		A2		T2/fs
	WT	N89L	WT	N89L	WT	N89L	WT	N89L
▲ ET signal	0.80	0.76	$~1900$	$~2000$
∎ Higher ESA	−0.70	−0.62	$~3000$	$~8000$
● Lower ESA	0.20	0.28	115	112	−0.67	−0.65	630	630