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Atmospheric Neutrino Session Summary: Insights, Analyses, and Future Directions

This summary highlights the key talks from the Atmospheric Neutrino Session, which included updates on matter effects by Hyejoo Kang and Simona Murgia, progress in SR atmospheric neutrino analysis by Bernie Becker, and simulations of muon backgrounds by Eric Grashorn. Key findings involve preliminary data selections and comparisons to the Cambridge analysis. Additional topics included the observation of K+ decays and plans for contained event publications. This session sets the stage for ongoing discussions and future research initiatives in atmospheric neutrino studies.

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Atmospheric Neutrino Session Summary: Insights, Analyses, and Future Directions

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Presentation Transcript

  1. Atmospheric neutrino session • Summary of parallel session: • Talks will be on the web: • Update on matter effects: Hyejoo Kang & Simona Murgia • Extended to upwqrd muons – Still need > 100 years exposure to see any effect • SR atmospheric neutrino analysis: Bernie Becker • Objective to repeat the Cambridge analysis using the SR reconstruction. Make a detailed comparison of data selections. Showed the preliminary selection 4M-> 20K events. Final selections by Ely • Cambridge Analysis code, MC, data and ntuples: John Chapman • Where to find all the Cambridge code and data. • Simulation of muon background: Eric Grashorn • Simulation of the muon background to a search for cosmic ray muon point sources • Observation of K+ decays: Hugh Gallagher Tony Mann • A K+ decay has been extracted from the Caldet data using the time structure of the decay. Could be applied to beam and atnu data. • Plans for a contained event publication: Mark Thomson • To be repeated in the following session.

  2. Agenda for the session • Introduction/Plans Mark Thomson • Upward Muon Analysis Brian Rebel • Contained Vertex Analysis Mark Thomson for Andy Blake • Mufson effect in stopping  Caius Howcroft • Charge ID systematics John Chapman

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