Michigan Technological University
Department of Physics

is pleased to announce a colloquium

with

Jacek Borysow

What is a mass of neutrino or MTU with University of Texas against the rest of the world

There are two convincing arguments why to determine the rest mass of neutrino. First, the standard model predicts to be zero. Thus, our experiment is one of the many searches beyond the standard model. Second, there is little doubt today that the majority of the mass in the universe is non luminous. Since the baryons contribute at most 15% towards the mass of the universe, this dark matter must be weak interacting massive particles. The only group of the elementary particles which fit this description and is known today are neutrinos. If neutrinos have a mass, what can now be expected from neutrino oscillation measurements, we could find answers to many current astronomical questions. I will discuss our efforts to determine the mass of electron antineutrino. The experiment is based on measurements of electron energies resulting from beta decay of tritium.

Thursday, October 31, 2002

4:00 p.m., Fisher 139

Refreshments will be served

MTU | Physics | Colloquium