Hydrostatic Level Systems at Fermilab and SURF
J Volk V Shiltsev
Fermilab
A Chupyra M Kondaurov S Singatulin
Budker Institute of Nuclear Physics
D Fratta, A Meulemans, C Potier, H Wang
University of Wisconsin Madison
IWAA 2012 2
SystemsName Location Sensor type Number of
sensorsseparation
MINOS-2 MINOS hall Fermilab
SAS-E 10 10 m
LaFarge North Aurora Ill
SAS 5 30 m
Array C SURF Lead South Dakota
SAS-E 6 30 m
NML NML Fermilab
SAS 4 Varies
MP7 MP7 Fermilab
ULSE 3 20 m
Stability test MP8 Fermilab
SAS 12
MT ULSE MP8 Fermilab
ULSE 12 1 m
Sept 13, 2012
IWAA 2012 3
MINOS layout
Sept 13, 2012
MINOS Detector
Nova Cavernunder construction
IWAA 2012 4
MINOS-2
Sept 13, 2012
IWAA 2012 5
Typical MINOS data August 2012
Sept 13, 2012
8/5
/20
12
8/6
/20
12
8/7
/20
12
8/8
/20
12
8/9
/20
12
8/1
0/2
01
2
8/1
1/2
01
2
8/1
2/2
01
2
8/1
3/2
01
2
90
92
94
96
98
100
L0
-L7
(m
icro
ns)
L0-L7
IWAA 2012 6Sept 13, 2012
IWAA 2012 7
MINSO Data Feb 12 to Aug 31
Sept 13, 2012
IWAA 2012 8
Array C layout
Sept 13, 2012
IWAA 2012 9
HLS at 2000 ft level on rock bolt shelf
Rock bolt
Sensor
Air line
Water line
Sept 13, 2012
IWAA 2012 10
Difference in two sensors 2000 ft level SURF
8/1/2012 8/1/2012 8/2/2012 8/2/2012 8/3/2012 8/3/2012 8/4/20121698
1700
1702
1704
1706
1708
1710
1712
1714
L0
-L1
(m
icro
ns)
L0-L1
Sept 13, 2012
IWAA 2012 11
Difference in two sensors 60 meters apartSURF 2000 foot level
20
12
-01
-14
20
12
-01
-28
20
12
-02
-12
20
12
-02
-26
20
12
-03
-11
20
12
-03
-25
20
12
-04
-08
20
12
-04
-22
20
12
-05
-05
20
12
-05
-19
20
12
-06
-02
20
12
-06
-16
20
12
-06
-30
20
12
-07
-14
20
12
-07
-28
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
L0-2
L1+
L2
L0-2L1+L2 L3-2L4+L5
Difference in two sensors60 meters apart7 months of data
Sept 13, 2012
IWAA 2012 12
LaFarge Mine
Sept 13, 2012
IWAA 2012 13
LBNE beam line
Sept 13, 2012
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