Mark Kos

Mark Kos is a researcher in the field of particle physics working on the Cryogenic Dark Matter Search and DEAP/CLEAN dark matter experiments. He is currently a Research Associate at Syracuse University. He obtained his Ph.D. at Queen's University in 2007 under the supervision of Arthur B. McDonald and Aksel Hallin with consultation from Ryan Martin. The SNO experiment was greatly improved by his contributions to neutron detection efficiencies. His work on the neutron detection efficiency has resulted in the most precise measurement of the Californium-252 spontaneous fission source.
Early Life
Mark Kos (officially Marek Kos) was born in Wroclaw, Poland on November 16th, 1978. Mark and his parents emigrated to Toronto, Canada in 1982. Mark received his undergraduate degree (Hon. B.Sc) in Physics from the University of Toronto in 2000. Mark then moved to Kingston, Ontario to do his doctorate with the SNO group at Queen's University.
Contributions to Physics
Mark's most notable contribution was his measurement of the neutron detection efficiency in the salt (NaCl) phase of the SNO neutrino detector. This measurement has resulted in a very precise determination of the total Boron-8 neutrino flux from the sun. This result is in agreement with the flux predicted by the Standard Solar Model developed by John Bahcall and others.

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