Mass ejected by the AGB stars. We have used
= 2.35,
ml = 0.1, and
mu = 10 (plain line);
= 1.5,
ml = 0.1, and
mu = 10 (short-dashed line);
= 2.35,
ml = 0.01, and
mu = 10 (dotted line);
= 2.35,
ml = 0.1, and
mu = 20 (long-dashed line);