Comparison of damping mechanisms for transverse waves in coronal loops.
Natural Sciences (Astrophysics and Astrononmy)
Damping of transverse waves in different solar coronal
structures is a commonly observed property and a source of
information about coronal conditions. Although resonant damping
seems to be the most accepted mechanism for damping of
transverse waves, there are other possible mechanisms. We have
carried out a Bayesian analysis comparing three different models
which could explain the damping in coronal loops. Our results
indicate that resonant absorption is the most probable mechanism
for low ratios between damping time and wave period, while the
wave leakage mechanism is the best candidate for high ratios.
Nonetheless, the evidence for one model against another shows a
strong dependence on the data errors.
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