SciBath Tests Completing in MINOS Underground Area T1014

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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


Precise
n

event
reconstruction


Neutral current elastic
(
NCel
)


D
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
n
event
reconstruction


Collect ~500
n

events


Measure
n

fluxes


Cosmogenic

& beam
related


100 m overburden

Z
0

N

N

n
m

n
m

N

N

n

n

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

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

The SciBath Detector


Pulsed LED calibration

All Experimenters Meeting, FNAL

December 19, 2011

The SciBath Detector


N
2

and LS plumbing

All Experimenters Meeting, FNAL

December 19, 2011

The SciBath Detector


Electronics readout & PMTs

All Experimenters Meeting, FNAL

December 19, 2011

The SciBath Detector


Electronics readout & PMTs

All Experimenters Meeting, FNAL

December 19, 2011

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

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

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

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

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

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

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
n

events

Goals


~500
n
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

n
Events for 10
20

POT:

CC Inclusive

(CC quasi
-
elastic)

n
: Low E

550 (100)

n
: Med E

12000 (1400)


: Low E

200 (30)


: Med E

4000 (1300)

Preliminary Results:

Muon

Event Display

All Experimenters Meeting, FNAL

Top View

Side View

Side View

Approximate Beam Direction

December 19, 2011

Box Size ≈ Light Collected

Preliminary
Results:

Beam Response

All Experimenters Meeting, FNAL

December 19, 2011

Preliminary Results:

Beam Time Regions

December 19, 2011

All Experimenters Meeting, FNAL

All Experimenters Meeting, FNAL

December 19, 2011

Preliminary
Results:

All Experimenters Meeting, FNAL

December 19, 2011

Preliminary
Results:

All Experimenters Meeting, FNAL

December 19, 2011

Preliminary
Results:

Candidate
n
capture events!

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

December 19, 2011

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

Contact Us


PI: Rex Tayloe (
rtayloe@indiana.edu
)

Cell: (812) 219
-
1906

Office: (812) 855
-
3057


Graduate Student: Lance Garrison (
langarri@indiana.edu
)

Cell: (573) 999
-
9409

WH10W: 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

December 19, 2011

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

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

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

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