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Antineutrino Monitoring - A Real-World Application

      In an article selected for Physical Review Focus, Center for Neutrino Physics members Eric Christensen, Patrick Huber and Patrick Jaffke collaborate with recent CNP visitor Thomas Shea to discuss the potential of reactor antineutrino monitoring as a non-proliferation measure. Using Iran's heavy water reactor at Arak as a test case, they showed that a relatively small and portable above-ground, detector has the potential to monitor plutonium production or diversion from declared inventories, and to re-establish continuity of knowledge in the event of a reactor shutdown. The authors advocate further research and development.
Satellite image of the heavy water reactor at Arak, Iran.

Virginia Tech Hosts the International Neutrino Summer School

      The Center for Neutrino Physics, the Department of Physics and the College of Science hosted the International Neutrino Summer School from July 10th through July 21st, 2012. The two week school was attended by more than 70 postdoctoral and graduate students from 14 different countries. Students attended lectures given by top researches from around the world. The lectures included topics such as neutrino oscillations, neutrino mass, leptogenesis (a theory in which neutrinos may be responsible for the matter-antimatter asymmetry in the universe), neutrinos in cosmology and astrophysics, neutrino interactions, the physics of neutrino detection, and experiments with neutrinos from the upper atmosphere, accelerators, nuclear reactors and the Sun. In addition to attending lectures students worked in groups to solve problems such as designing experiments to measure critical neutrino properties.
Portrait of INSS Participants

      The International Neutrino Summer School was sponsored by the Virginia Tech College of Science, the VT Physics Department, the Center for Neutrino Physics, Fermi National Accelerator Laboratory, the US Department of Energy, the National Science Foundation, The Sanford Underground Research Facility, Lawrence Berkeley National Laboratory and Oak Ridge National Laboratory.

MicroBooNE Takes a Big Step Forward

      On June 23rd, the MicroBooNE neutrino detector was lowered into position at the U.S. Department of Energy's Fermi National Accelerator Laboratory. The detector consists of a 32-foot long "time projection chamber" that is readout by 3 layers of wires. Once the detector is filled with 170 tons of liquid argon, a sophisticated computer processing program will be able to create a 3-D image of neutrinos interacting with the liquid argon. The MicroBooNE team, which includes CNP's Camillo Mariani and his research group, hopes the data can be used to learn more about how neutrinos change from one flavor to another, and to help narrow the search for a possible fourth neutrino flavor, known as the sterile neutrino. The Virginia Tech group is responsible for the online monitoring of the system to ensure safe operation, and a muon veto system, according to Prof. Mariani.

The MicroBooNE time projection chamber is loaded into a tank which will be filled with 170 tons of liquid argon.

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Proposal Approved to Run at JLab

      A proposal lead by CNP Member Camillo Mariani and recent CNP visitor Omar Benhar has been approved to run by the Jefferson National Laboratory's Physics Advisory Committee. The proposed experiment, which is a collaboration of 31 scientists from the US, Europe, and Japan, will study electron scattering on argon. The resuts of this experiment will help the neutrino community to make more reliable estimates of neutrino cross-sections and to model nuclear effects. These measurements will be critical to future neutrino oscillation experiments which have been shown to be very sensitive to these effects in their determination of neutrino oscillation parameters. The experiment is expected to take data in 2016.

The Jefferson Lab accelerator complex in Newport News, Virginia


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News & Events

Patrick Huber discusses his recent paper on monitoring Iran's nuclear reactor using neutrinos with WVTF radio. Listen to the interview here.


Camillo Mariani, of the Center for Neutrino Physics, has been named as the recipient of a prestigious CAREER Award from the National Science Foundation. Prof. Mariani's award will support his research on neutrino interactions in matter and create a QuarkNet center at Virginia Tech to attract high school teachers and students, with initial emphasis on neutrino physics.

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CNP members Bruce Vogelaar and Leo Piilonen were elected fellows of the American Physical Society.
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