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A Future Neutrino Oscillation Experiment at the SNS
The More Experiments the Merrier - Neutrinos are Free! Search for Physics Beyond the Standard Model Antineutrinos at SNS Complement Neutrinos at FNAL
Present Neutrino Oscillation Evidence - 3 Dm2 Problem! Brief Description of MiniBooNE Detector Facility Future Neutrino Oscillation Experiment
Duplicate of MiniBooNE Located at 50-100 m (Dm2 < 1 eV2)
Performance (~400 oscillation events in ~1 year!)
Cost & Schedule (construction ~ $11.3 M & ~ 2.8 y)
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Current State of Neutrino Oscillation Evidence
3 Dm2 Problem!
Physics Beyond theStandard Model!?!
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3+2 ModelSorel, Conrad, & Shaevitz
hep-ph/0305255
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3+2 ModelSorel, Conrad, & Shaevitz hep-ph/0305255
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CPT Violation ModelBarenboim, Borissov, & Lykken
hep-ph/0212116
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MiniBooNE is Working Well!
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A Future Neutrino Oscillation Experiment at the SNS Search for & Measure Physics Beyond the Standard Model
(probably contingent on MiniBooNE confirming LSND) SNS provides "FREE" neutrinos! Build a duplicate copy of MiniBooNE with a few changes:
Higher PMT coverage: 10% -> 25% (~4000 PMTs)
Addition of ~0.03 g/l of b-PBD to the oil
Distance of ~50-100 m to cover Dm2 < 1 eV2
Detector design and R&D have been completed! Cost ~ $11.3M (including contingency & escalation) Schedule ~ 2.8 years construction Estimate performance by scaling up from LSND (x5 larger)
~400 oscillation events after ~1 year (28K C)
~10 background neutrino events
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Oscillation Background Much Lower Than LSND!LSND
SNSOSC
Signal 87.9+-22.4+-60 ~440
DAR BKGD* 20~10
DIF BKGD 10~0
* DAR BKGD is much lower due to 75 m (x6) & less ne(x2)
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Conclusion
A "duplicate" of MiniBooNE at SNS can probe Physics Beyond the Standard Model!
Neutrinos are "FREE" Detector cost ~$10M Design, R&D, & Prototype Are Completed