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DTSTART;TZID=America/Los_Angeles:20190305T160000
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SUMMARY:Yoshikazu Nagai (U. Colorado) "Understanding Neutrino Beams: Hadron Production Measurements with NA61/SHINE"
DESCRIPTION:ABSTRACT:\nA precise prediction of the neutrino flux is a key ingredient for achieving the physics goals of accelerator-based neutrino experiments. In modern experiments\, neutrino beams are created from the decays of secondary hadrons produced in hadron-nucleus interactions. Hadron production is the leading systematic uncertainty source on the neutrino flux prediction; therefore\, its precise measurement is essential.\nThe NA61/SPS Heavy Ion and Neutrino Experiment (NA61/SHINE) is a fixed-target experiment at the CERN Super Proton Synchrotron which studies hadron production in hadron-nucleus and nucleus-nucleus collisions for various physics goals. For neutrino physics\, light hadron beams (protons\, pions\, and kaons) are collided with a light nuclear target (carbon\, aluminum\, and beryllium) and spectra of outgoing hadrons are measured. In this talk\, I will present recent results and ongoing analyses of hadron production measurements at NA61/SHINE for precise neutrino flux predictions in the T2K and Fermilab-based long-baseline neutrino experiments. I will also discuss the necessity and prospects of further hadron production measurements for the next generation neutrino experiments with NA61/SHINE beyond 2020\, after the Long Shutdown 2 of the accelerator complex at CERN.
URL:https://rpm.physics.lbl.gov/event/yoshikazu-nagai-u-colorado-tba/
LOCATION:HYBRID 50A-5132 (Sessler Conference Room)\, https://lbnl.zoom.us/j/91782268585\, 50A-5132
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