SC 209: MYSTERIES OF THE NEUTRINOS – Class presentation available

Neutrino Masses - Mixing of Mass Neutrinos into Flavor Neutrinos

Neutrino Masses Mixing of Mass Neutrinos into Flavor Neutrinos

Much has been learned about neutrinos and their oscillations into each other. Many experiments have been conducted and others are planned to learn more. The unknowns about neutrinos lead to new physics at much higher energy scales. This lecture series will cover these eras of the neutrino puzzles.


Monday, March 31: We will show and discuss a video on the history of neutrinos, the shortfall of expected neutrinos from the sun, and the neutrino oscillations that finally accounted for it. We will then present the role of neutrinos in the cosmos, particularly during the early seconds after the big bang, and including nucleosynthesis, as well as the neutrino’s impact on the Standard Model of Particle Physics

Monday, April 7: Dr. Silverman will first present more details of the dependence of neutrino mixing on the masses, the distance traveled, and the energy of the neutrinos. Next will come the differences between solar neutrino oscillations, atmospheric neutrino oscillations, and long baseline lab neutrino experiments. Then he will discuss the mysteries of the nature of the neutrino, the theories for neutrino masses and what may lie at much higher energies, and the possible differences between neutrino and antineutrino reaction rates.

Class Presentation: Neutrino Mysteries

Monday, April 14: Professor Sobel will discuss the experiments of the SuperK neutrino detector in Japan, on solar neutrinos, atmospheric neutrinos, accelerator neutrinos, supernova neutrinos, and reactor neutrinos.

Presenters/Developers: Dennis Silverman, Ph.D., a retired particle physics theorist at UC Irvine and a member of OLLI. He blogs on particle physics and energy at

James Boire, an operations research specialist with more than 40 years of experience in the aerospace industry.

Hank Sobel, Ph.D. a neutrino experimenter at UC Irvine and a leader of the Irvine contingent at SuperK, with many discoveries to his record.


Mondays, March 31, April 7, and April 1

10:00 AM – 12:00 Noon


Location:      Woodbridge Onken Classroom

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