Exploring uncharted territory in particles physics using pulsating white dwarfs: Prospects

Details Exploring uncharted territory in particles physics using pulsating white dwarfs: Prospects Exploring uncharted territory in particles physics using pulsating white dwarfs: Prospects

2005-10-04

arxiv.org/abs/astro-ph/0510103v1

Kim, A., Winget, D.E., & Montgomery, M.H. 2005, ASPC, 334, 489

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figures, 14th European Workshop on Whitedwarfs

Scientific paper

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.

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