Lance Garrison R. Cooper, H.-O. Meyer, T. Mikev, L. Rebenitsch, R. Tayloe, R. Thornton
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- Slide 1
- Lance Garrison R. Cooper, H.-O. Meyer, T. Mikev, L. Rebenitsch,
R. Tayloe, R. Thornton
- Slide 2
- Prototype n Detector Precise event reconstruction Neutral
current elastic (NCel) s: strange contribution to proton spin
Neutrons 1-100 MeV Energy & direction spectra Important for low
background experiments All Experimenters Meeting, FNAL December 19,
2011 At FNAL: MINOS Area Demonstrate event reconstruction Collect
~500 events Measure n fluxes Cosmogenic & beam related 100 m
overburden Z0Z0 N N N N n n
- Slide 3
- Design Concept 3D grid of light collecting fibers immersed in
liquid scintillator, no optical separation High channel density
Readout with custom DAQ incorporating multi-anode PMT system All
Experimenters Meeting, FNAL December 19, 2011
- Slide 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 December 19, 2011
- Slide 5
- The SciBath Detector Pulsed LED calibration All Experimenters
Meeting, FNAL December 19, 2011
- Slide 6
- The SciBath Detector N 2 and LS plumbing All Experimenters
Meeting, FNAL December 19, 2011
- Slide 7
- The SciBath Detector Electronics readout & PMTs All
Experimenters Meeting, FNAL December 19, 2011
- Slide 8
- The SciBath Detector Electronics readout & PMTs All
Experimenters Meeting, FNAL December 19, 2011
- Slide 9
- Timeline: SciBath at Fermilab All Experimenters Meeting, FNAL
Production runs at ~0.5 pe threshold, 24/7 Calibration, runs at
> 0.5 pe threshold Move, installation, setup, training, safety
approval December 19, 2011
- Slide 10
- Deployment All Experimenters Meeting, FNAL December 19, 2011
SciBath Installed in MINOS near detector area, next to COUPP ~5
mrad off axis of NUMI beam
- Slide 11
- Monitoring Dual camera monitoring (plumbing & IRMs) Agilent
power supply web controllable Full run control and monitoring
available remotely 24/7 monitoring Expert on call within 30 min of
detector All Experimenters Meeting, FNAL December 19, 2011
- Slide 12
- Monitoring Dual camera monitoring (plumbing & IRMs) Agilent
power supply web controllable Full run control and monitoring
available remotely 24/7 monitoring Expert on call within 30 min of
detector All Experimenters Meeting, FNAL December 19, 2011
- Slide 13
- Monitoring Dual camera monitoring (plumbing & IRMs) Agilent
power supply web controllable Full run control and monitoring
available remotely 24/7 monitoring Expert on call within 30 min of
detector All Experimenters Meeting, FNAL December 19, 2011
- Slide 14
- Monitoring Dual camera monitoring (plumbing & IRMs) Agilent
power supply web controllable Full run control and monitoring
available remotely 24/7 monitoring Expert on call within 30 min of
detector All Experimenters Meeting, FNAL December 19, 2011
- Slide 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 6.4x10 19 POT
total 4.8x10 19 POT production quality 95% live time, optimum 87%
live time, overall Projected Final Results 7.5x10 19 POT total ~900
cosmic n ~300 events Goals ~500 events Requires ~10 20 POT Measure
beam induced n flux Measure cosmic n flux ~20 events/day, ~60 days
All Experimenters Meeting, FNAL December 19, 2011 Beam
Configuration Events for 10 20 POT: CC Inclusive (CC quasi-elastic)
: Low E 550 (100) : Med E 12000 (1400) : Low E 200 (30) : Med E4000
(1300)
- Slide 16
- Preliminary Results: Muon Event Display All Experimenters
Meeting, FNAL Top View Side View Approximate Beam Direction
December 19, 2011 Box Size Light Collected
- Slide 17
- Preliminary Results: Beam Response All Experimenters Meeting,
FNAL December 19, 2011
- Slide 18
- Preliminary Results: Beam Time Regions December 19, 2011 All
Experimenters Meeting, FNAL
- Slide 19
- December 19, 2011 Preliminary Results:
- Slide 20
- All Experimenters Meeting, FNAL December 19, 2011 Preliminary
Results:
- Slide 21
- All Experimenters Meeting, FNAL December 19, 2011 Preliminary
Results: Candidate n capture events!
- Slide 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 , n
Possible n flux measurement at MI-12 in Spring All Experimenters
Meeting, FNAL December 19, 2011
- Slide 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 December 19, 2011
- Slide 24
- Contact Us PI: Rex Tayloe (rtayloe@indiana.edu) Cell: (812)
219-1906 Office: (812) 855-3057rtayloe@indiana.edu Graduate
Student: Lance Garrison (langarri@indiana.edu) Cell: (573) 999-9409
WH10W: x-3433langarri@indiana.edu Postdoc: Robert Cooper
(roblcoop@indiana.edu) Cell: (734) 657-2890roblcoop@indiana.edu
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 December 19, 2011
- Slide 25
- Anticipated Sensitivity (n events) Cosmogenic &
beam-related, muon-induced n 100 m of rock overburden 20 n / day
Energy / direction spectra not well characterized* All
Experimenters Meeting, FNAL *Mei & Hime, Phys. Rev. D 73 053004
(2006)) December 19, 2011
- Slide 26
- Low-Cost Digitization Solution 64-channel Integrated Readout
Module 12-bit flash ADCs FPGA logic ARM-9 micro-controller with
embedded Linux kernel Ringing oscillator input shaping 6U VME form
factor (no VME backplane power) Ethernet transmission Built custom
in-house All Experimenters Meeting, FNAL December 19, 2011
- Slide 27
- Low-Cost Digitization Solution 64-channel Integrated Readout
Module 12-bit flash ADCs FPGA logic ARM-9 micro-controller with
embedded Linux kernel Ringing oscillator input shaping 6U VME form
factor (no VME backplane power) Ethernet transmission Built custom
in-house All Experimenters Meeting, FNAL Power Inpu t ADCs FPGAs
ARM- 9 December 19, 2011
- Slide 28
- Low-Cost Digitization Solution 64-channel Integrated Readout
Module 12-bit flash ADCs FPGA logic ARM-9 micro-controller with
embedded Linux kernel Ringing oscillator input shaping 6U VME form
factor (no VME backplane power) Ethernet transmission Built custom
in-house All Experimenters Meeting, FNAL December 19, 2011