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DTSTAMP:20260918T221750Z
LAST-MODIFIED:20160426T152707Z
DTSTART:20160426T192000Z
DTEND:20160426T202000Z
UID:event1592@bu.edu
URL:http://physics.bu.edu/internal/events/show/1592
SUMMARY:A Deeper Understanding of our Universe from 2 km Underground
DESCRIPTION:Featuring Art McDonald\, Queen's University\, Kingston\, Ontari
	o\nPoster: http://physics.bu.edu/internal//files/get/042616-McDonald.pdf\n\
	nPart of the Physics Department Colloquia Series.\n\nBy creating an ultra-c
	lean underground location with a highly reduced radioactive background\, ot
	herwise impossible measurements can be performed to study fundamental physi
	cs\, astrophysics and cosmology. The Sudbury Neutrino Observatory (SNO) was
	 a 1\,000 tonne heavy-water-based neutrino detector created 2 km undergroun
	d in a mine near Sudbury\, Canada. SNO has used neutrinos from 8B decay in 
	the Sun to observe one neutrino reaction sensitive only to solar electron n
	eutrinos and others sensitive to all active neutrino flavors. It found clea
	r evidence for neutrino flavor change that also requires that neutrinos hav
	e non-zero mass. This requires modification of the Standard Model for Eleme
	ntary Particles and confirms solar model calculations with great accuracy. 
	The 2015 Nobel Prize in Physics and the 2016 Breakthrough Prize in Fundamen
	tal Physics were awarded for these measurements. Future measurements at the
	 expanded SNOLAB facility will search for Dark Matter particles thought to 
	make up 26% of our Universe and rare forms of radioactivity that can tell u
	s further fundamental properties of neutrinos potentially related to the ma
	tter/antimatter asymmetry in our Universe.
LOCATION:SCI 109\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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