Challenges in Neutrino-Nucleus Scattering* Andreas S. Kronfeld - PowerPoint PPT Presentation

Challenges in Neutrino-Nucleus Scattering* Andreas S. Kronfeld Fermilab & IAS TU München Lattice 2018 | Michigan State University July 27, 2018 *esp. those connected to lattice QCD

Neutrino Oscillations • Suppose you have a neutrino beam and two enormous vats of neutrons, one nearby and the other far away: NOvA Preliminary ν μ Neutrino beam NOvA Preliminary POT / 0.1 GeV Data FD Data 200 12 Simulation Prediction σ 1- syst. range ν μ All Quartiles ν σ Wrong Sign: CC 1- syst. range µ 10 3 Events/0.1 GeV 10 Total Background ν Wrong Sign: CC Events / 0.1 GeV µ Area Normalised 150 ν μ Shape-only systs. Total bkg. Neutrino beam 8 Area-normalized Cosmic bkg. 10 MC scaled +1.3% 6 100 Events / 8.03 4 50 2 10 POT / 0.1 GeV 0 0 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 Reconstructed Neutrino Energy (GeV) Reconstructed Neutrino Energy (GeV) Alex Himmel, Wine & Cheese Seminar, June 15 @ Fermilab � 2

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