Oak Ridge National Laboratory

Physics Division

Physics Division Seminars

Physics Division Seminars bring us speakers on a variety of physics related subjects. Usually these are held in the Building 6008 large Conference Room, at 3:00 pm on the chosen day, but times and locations may vary. For more information, contact our seminar chairman,

Alfredo Galindo-Uribarri
Tel (Office): (865) 574-6124  (FAX): (865) 574-1268

Mon., August 18, 2014, at 3:00 PM - 4:00 PM (refreshments served at 2:40 PM)

Nuclear and Hydrodynamics in Supernovae

Samuel Jones, University of Victoria, Victoria, Canada
ORNL, Bldg. 6008 Large Conference Room

Electron-capture supernovae (SNe), core-collapse SNe and thermonuclear type Ia SNe all have distinct stellar progenitor evolutions which in many aspects are still poorly understood. Our recent research has shown that refined nuclear physics is important for determining the structure of the progenitor stars of such supernovae at the time of their explosion. Furthermore, our group has demonstrated that uncertain hydrodynamic processes at the boundaries of convection zones can lead to the formation of hybrid stars and hence novel evolutionary paths to electron-capture SN and SN Ia. In addition, we have shown that such processes can produce high neutron densities, synthesising a heavy element abundance distribution that fits very well with what is observed for some CEMP-r/s stars.

Contact: Alfredo Galindo-Uribarri, (865) 574-6124