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Contents of IDR: PPEG

Contents of IDR: PPEG. IDS-NF plenary meeting RAL, UK September 22-25, 2010 Walter Winter Universität Würzburg. TexPoint fonts used in EMF: A A A A A A A A. Contents. Time line/status Some highlights from existing IDR Beyond the IDR – towards the RDR. Time line.

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Contents of IDR: PPEG

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  1. Contents of IDR: PPEG IDS-NF plenary meetingRAL, UK September 22-25, 2010Walter Winter Universität Würzburg TexPoint fonts used in EMF: AAAAAAAA

  2. Contents • Time line/status • Some highlights from existing IDR • Beyond the IDR – towards the RDR

  3. Time line Scope finalized(yesterday with other WGs)

  4. Status/contents of document P. Huber - Editor

  5. Status quo (frozen) • Presentation:Low-E and high-E NF as separate options • Migration matrices for HENF • 100kt + 50kt MIND for HENF • 35 kt TASD for LENF • Systematics: use established numbers to quantify effects of migration matrices • 1021 useful muon decays/year

  6. Highlights from IDR (existing part – TO BE EDITED)

  7. Expectations until RDR Expect q13 discovery if sin22q13 > 0.02

  8. Physics case? CPV and MH (90% CL) unlikely • Need next generation of experiments!

  9. HENF: optimization/robustness • 4000 km + 7500 km optimal (small q13) • Combination robust wrt • New physics • Lower luminosity • Systematics (Xsecs) • Long baseline good for • Matter effects • Atm. params • Mass hierarchy

  10. HENF: Performance Preliminary

  11. Recent changes/potential • Sites only rudimentarily discussed …

  12. New physics constraintsSterile neutrinos at HENF • 3+1 scheme: 3 additional angles • HENF (near detectors) have some sensitivity to very light sterile neutrinos, motivated by cosmology! arXiv:1007.2419

  13. NSI at LENF • LENF has sensitivity to new physics; platinum channel may be useful! (T. Li)

  14. Experiment comparison (1) Also: LBNE etc

  15. Experiment comparison (2) From Euronu … to beupdated Competitors?No BB .. Existing Intermediate?

  16. Beyond the IDR

  17. Issues beyond IDR • nt contamination; also in disappearance channel (lower Em would suppress any problems …) • Near detector, systematics • 50 kt downgrade? • Triangular shaped ring? • Background versus signal optimization of MIND? • MIND on surface? + Learn how to count!(people, money, magnets, …)

  18. On systematics • Two storage rings: 4 fluxes; even with 2.5% flux error reasonable performance, 0.1% (ND) has small impact • Reason: Systematics correlations, not just numbers! Systematics: Have to learn lesson from reactor experiments! (Mezzetto, Schwetz)

  19. Staging/Em cutting points • Define cutting points wisely: • 4.5-5 GeV? • 12.5 GeV? • 25 GeV? • Can be easily related to cost 4.5-5 GeV? ? ?

  20. Vision towards RDR?

  21. Staging scenarios? • Example:Phase I: LENF to look for q13Phase II: Energy upgrade: find CPV?Phase III: Detector upgrade or second baseline: Precision/parameter space cov.? (blue dashed: detector mass upgrade; blue solid: second baseline; arXiv:0911.5052)

  22. Summary • IDR: PPEG part in good shape • Further input/updates expected within next few months (November?) • Scope/emphasis frozen • First ideas/to dos for RDR discussed • Go into open issues sections

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