Tag: Peccei-Quinn mechanism
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From beam dumps to missing energy: the SPS search for hidden particles
For more than four decades, CERN’s Super Proton Synchrotron has served as a testing ground for new ways to search for particles that interact only feebly with ordinary matter. In a recent lecture, NA64 co-spokesperson Paolo Crivelli traced the evolution of this programme – from the first beam-dump experiments to missing-energy and missing-momentum searches, precision…
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Interview with Helen Quinn
Interview with Helen Quinn Helen Quinn, a professor emerita at the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University, received the 2018 Benjamin Franklin Medal in Physics last April for her accomplishments in the field of particle physics. As a student, Quinn says, she grew up in an environment that encouraged curiosity about