  Pulsating white dwarfs, especially DBVs, can be used as laboratories to study
elusive particles such as plasmon neutrinos and axions. In the degenerate
interiors of DBVs, plasmon decay is the dominant neutrino producing process. We
can measure the neutrino luminosity using asteroseismology and constrain
plasmon neutrino rates. In the same way, we can measure any additional loss of
energy due to other weakly interacting particles, such as axions. Depending
upon their (theoretically largely unconstrained) mass, axions could be a
significant source of energy loss for DAVs as well. We are looking at what the
uncertainties in the observables are, and what mass and temperature range
minimizes them.
