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Quarks Influenced by Their Neighborhood
November 20, 2009
The quark structure inside protons and neutrons changes based on the local nuclear environment, according to electron accelerator experiments.
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Kathryn M. Zurek
Kathryn Zurek is currently the David Schramm fellow in the theoretical astrophysics group at Fermi National Accelerator Laboratory. Previously, she focused on collider phenomenology as a postdoc at the University of Wisconsin Phenomenology Institute, having completed her Ph.D. in 2006 at the University of Washington in neutrino phenomenology. Her research interests center on the boundary of particle physics with cosmology and astrophysics, especially the hunt for dark matter.
Cosmic light matter probes heavy dark matter
New results from the Fermi Gamma-Ray Space Telescope, the most precise to date in the energy range 20 GeV to 1 TeV, should help resolve whether cosmic rays composed of the lightest charged particles, i.e., electrons and positrons, come from dark matter or some other astrophysical source. Read More »