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


Thu., January 26, 2017, at 3:00 PM - 4:00 PM (refreshments served at 2:40 PM)

Neutrino Astronomy, Core-Collapse Supernovae and the HALO-2 Detector

Stanley Yen, TRIUMF, Vancouver, Canada
Bldg. 6008 Large Conference Room

Because neutrinos are so penetrating, they allow a nearly-unobstructed view of the nuclear, particle and astrophysical processes occurring deep in the interiors of the Sun and stars. Already a spectacular object at optical wavelengths, a core-collapse supernova liberates 99% of its energy in the form of neutrinos of various flavors, each of which has a distinctive energy spectrum and time dependence. Neutrinos is where the action is! A neutrino detector constructed of lead would be primarily sensitive to the electron-type neutrinos from a supernova, and would complement the existing water Cerenkov and organic scintillator detectors which are sensitive primarily to electron anti-neutrinos. We have tentative ideas for a 1 kiloton lead detector at the Gran Sasso laboratory in Italy, as a successor to the much smaller HALO-1 detector now operating at SNOLAB in Canada. We would welcome new collaborators.

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