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SciBath Tests Completing in MINOS Underground Area T1014

SciBath Tests Completing in MINOS Underground Area T1014. Lance Garrison R. Cooper, H.-O. Meyer, T. Mikev , L. Rebenitsch , R. Tayloe , R. Thornton. Prototype n, n Detector. n m. n m. n. n. Z 0. Precise n event reconstruction

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SciBath Tests Completing in MINOS Underground Area T1014

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  1. SciBath Tests Completing in MINOS Underground AreaT1014 Lance Garrison R. Cooper, H.-O. Meyer, T. Mikev, L. Rebenitsch, R. Tayloe, R. Thornton

  2. Prototype n,n Detector nm nm n n Z0 • Precise n event reconstruction • Neutral current elastic (NCel) Ds: strange contribution to proton spin • Neutrons • 1-100 MeV • Energy & direction spectra • Important for low background experiments N N N N • At FNAL: MINOS Area • Demonstrate n event reconstruction • Collect ~500 n events • Measure n fluxes • Cosmogenic & beam related • 100 m overburden All Experimenters Meeting, FNAL

  3. Design Concept • 3D grid of light collecting fibers immersed in liquid scintillator, no optical separation • High channeldensity • Readout with custom DAQ incorporating multi-anode PMT system All Experimenters Meeting, FNAL

  4. The SciBath Detector • 80 L liquid scintillator (LS) • 88% mineral oil • 11% pseudocumene • 1% PPO • 768 (3-16x16) array wavelength-shifting fibers(x,y,z axes) • 1.5 mm diameter • 2.5 cm spacing • UV → blue All Experimenters Meeting, FNAL

  5. The SciBath Detector • Pulsed LED calibration All Experimenters Meeting, FNAL

  6. The SciBath Detector • N2 and LS plumbing All Experimenters Meeting, FNAL

  7. The SciBath Detector • Electronics readout & PMTs All Experimenters Meeting, FNAL

  8. The SciBath Detector • Electronics readout & PMTs All Experimenters Meeting, FNAL

  9. Timeline: SciBath at Fermilab Move, installation, setup, training, safety approval Calibration, runs at > 0.5 pe threshold Production runs at ~0.5pe threshold, 24/7 All Experimenters Meeting, FNAL

  10. Deployment • SciBath Installed in MINOS neardetector area, next to COUPP • ~5 mrad off axis of NUMI beam All Experimenters Meeting, FNAL

  11. Monitoring • Dual camera monitoring (plumbing & IRMs) • Agilent power supply web controllable • Full run control and monitoring availableremotely • 24/7 monitoring • Expert on call within 30 min of detector All Experimenters Meeting, FNAL

  12. Monitoring • Dual camera monitoring (plumbing & IRMs) • Agilent power supply web controllable • Full run control and monitoring availableremotely • 24/7 monitoring • Expert on call within 30 min of detector All Experimenters Meeting, FNAL

  13. Monitoring • Dual camera monitoring (plumbing & IRMs) • Agilent power supply web controllable • Full run control and monitoring availableremotely • 24/7 monitoring • Expert on call within 30 min of detector All Experimenters Meeting, FNAL

  14. Monitoring • Dual camera monitoring (plumbing & IRMs) • Agilent power supply web controllable • Full run control and monitoring availableremotely • 24/7 monitoring • Expert on call within 30 min of detector All Experimenters Meeting, FNAL

  15. SciBath at Fermilab Overview Achievements • Data Rates (~0.5 pe trigger) • 6000Hz total, 500Hz per readout board, 8Hz per channel • 1.7MB/s, 5.7GB/hr, 6.5TB total • POT as of 12/12/11 • 6.4x1019 POT total • 4.8x1019POT production quality • 95% live time, optimum • 87% live time, overall • Projected Final Results • 7.5x1019 POT total • ~900 cosmic n • ~300 n events Goals • ~500 n events • Requires ~1020POT • Measure beam induced nflux • Measure cosmic n flux • ~20 events/day, ~60 days All Experimenters Meeting, FNAL

  16. Preliminary Results:Muon Event Display Side View Side View Top View Box Size ≈ Light Collected Approximate Beam Direction All Experimenters Meeting, FNAL

  17. Preliminary Results:Beam Response All Experimenters Meeting, FNAL

  18. Preliminary Results: Beam Time Regions All Experimenters Meeting, FNAL

  19. Preliminary Results: All Experimenters Meeting, FNAL

  20. Preliminary Results: All Experimenters Meeting, FNAL

  21. Preliminary Results: Candidate n capture events! All Experimenters Meeting, FNAL

  22. SciBath (Near) Future • Power down and drain LS to reservoir tank • Leave detector underground over holidays • Move to MINOS service building in January for 1 week calibration run • No beam, cosmic m, n • Possible n flux measurement at MI-12 in Spring All Experimenters Meeting, FNAL

  23. Summary • SciBath is an efficient 3D charged particle tracking detector → reconstruct neutral events • Deployed at FNAL in MINOS near hall • Desire to measure neutron backgrounds (cosmogenic and beam-related) • Measure neutrino interactions • ~2 months data collection ends this week! • 1 week run in MINOS service building in January • Possible run in MI-12 in Spring • THANK YOU Fermilab! All Experimenters Meeting, FNAL

  24. Contact Us • PI: Rex Tayloe (rtayloe@indiana.edu)Cell: (812) 219-1906Office: (812) 855-3057 • Graduate Student: Lance Garrison (langarri@indiana.edu)Cell: (573) 999-9409WH10W: x-3433 • Postdoc: Robert Cooper (roblcoop@indiana.edu)Cell: (734) 657-2890 • Other Group Members on this run of SciBath • Graduate Student: Lori Rebenitsch • Student Intern: R. Tyler Thornton • Other Contributors to SciBath detector • Technical / Engineering: Brandon Kunkler, Shing-Shong Shei, Gerard Vissar • Faculty: H.-O. Meyer • Former students: Melanie Novak (Gr.), Tyler Mikev (UGr.) All Experimenters Meeting, FNAL

  25. Anticipated Sensitivity (n events) • Cosmogenic & beam-related, muon-induced n • 100 m of rock overburden⇒ 20 n / day • Energy / directionspectra not wellcharacterized* *Mei & Hime, Phys. Rev. D 73 053004 (2006)) All Experimenters Meeting, FNAL

  26. Low-Cost Digitization Solution • 64-channel Integrated Readout Module • 12-bit flash ADCs • FPGA logic • ARM-9 micro-controller withembedded Linux kernel • “Ringing” oscillator inputshaping • 6U VME form factor (noVME backplane power) • Ethernet transmission • Built custom “in-house” All Experimenters Meeting, FNAL

  27. Low-Cost Digitization Solution • 64-channel Integrated Readout Module • 12-bit flash ADCs • FPGA logic • ARM-9 micro-controller withembedded Linux kernel • “Ringing” oscillator inputshaping • 6U VME form factor (noVME backplane power) • Ethernet transmission • Built custom “in-house” Power FPGAs ADCs ARM-9 Input All Experimenters Meeting, FNAL

  28. Low-Cost Digitization Solution • 64-channel Integrated Readout Module • 12-bit flash ADCs • FPGA logic • ARM-9 micro-controller withembedded Linux kernel • “Ringing” oscillator inputshaping • 6U VME form factor (noVME backplane power) • Ethernet transmission • Built custom “in-house” All Experimenters Meeting, FNAL

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