Thursday, November 10, 2011, 3:00 pm — Small Seminar Room, Bldg. 510
I will discuss the role neutrinos play in cosmology and which neutrino properties can we learn about from cosmology. I will explainhow neutrinos are weighted in the Universe through their gravitational interaction and argue against the common misconception that neutrino mass constraints from cosmology are strongly model dependent. The proposed BigBOSS experiment will have the statistical sensitivity to detect neutrino mass, but to actually measure it will require developement of new theoretical tools. BigBOSS will not be able to distringuish between normal and inverted hierarchy in minimal neutrino models (unless inverted hierarchy is ruled out by a sum m_nu constraint), but should be sensitive to more baroque models, such as a fourth non-degenerate sterile neutrino.
7795 | INT/EXT | Events Calendar
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