Status of Napoli scanning laboratory

OPERA Emulsion Workshop, Nagoya, 7/12/2006

F. Di Capuaon behalf of Napoli group

MicroscopesID Name HW Configuration SW Configuration Status

1 NAP_MIC1 Standard Standard Hardware setup completed and sofware settings in

progress2 NAP_MIC2 Almost Standard Standard Software settings available3 NAP_MIC3 Standard Standard Software settings available5 NAP_MIC5 Standard+z reading Standard Software settings

available

1122

33

55

MIC 1

Final Hardware configuration: Camera

MC1310 SNr: 30013

X-Y

MS-8, Id.No.: 6316-5-006; S/N: 03050063

Z

LS-110, Id.No.:6236-5-109; S/N: 05040096

Microscope assembled

HW SW

Last Sysal release is present

Software check ongoing:Tracking efficiency measurement with reference emulsions are in progress

Software installed

MIC 2

Final Hardware configuration: Camera

MC1310 SNr: 30110

X-Y

MS-8, Id.No.: 6316-5-012; S/N: 05040069

Z

MT-85, Id.No.:6242-5-102; S/N: 03060022 Hardware setup completed:Z-Slant

TXoffset = 0.8 mrad, TYoffset = 2 mrad

Pixel/micron ratio

Rx = 0.302, Ry = - 0.304

Microscope assembled

Last Sysal release is present

Software setup completed:By using reference films (CERN July 2006) test beam emulsions the tracking efficiency was measured

Software installed

HW SW

MIC 2

Activities: PEANUT

Brick BL033: General scanning, SFT-Brick alignment, vertex analysis

DB-driven scan-back not yet started

Efficiencies:Plate 0 mrad 100 mrad 200 mrad 300 mrad1 76.3±1.9 75.3±1.9 74.9±2.072.4±2.52 83.0±1.4 83.6±1.2 79.1±1.8

77.4±2.13 83.4±1.4 85.1±1.2 77.3±2.1

71.7±2.94 84.1±1.4 89.1±0.8 85.0±1.3

84.5±1.55 90.6±0.7 86.6±1.0 89.4±0.8 82.7±0.86 90.3±0.8 95.2±0.3 87.3±1.0 82.3±1.07 90.0±0.8 88.2±0.9 85.3±1.3 82.5±1.38 91.9±0.7 91.6±0.6 89.3±0.981.9±0.9Average: 86.2±1.7 86.8±1.5 83.4±2.1 79.4±2.5

Efficiency test: = 4 found out of 5

8 plates were scanned (from 50-51 to 50-58 of CERN July 2006 test beam)

Done with standard filter.

Good results, but large plate by plate fluctuations

Physical Background: 23 tr/mm2 inside Tx,Ty = 450 mrad

MIC 2

Microtrack angular resolution

Tx (Tx) (mrad)

16 7.6120 8.6190 13.7340 22.0

MIC 2

Basetrack angular resolution

Tx (Tx) (mrad)

16 2.1120 2.9190 3.9340 5.8

MIC 3

Final Hardware configuration: Camera

MC1310 SNr: 30108

X-Y

MS-8, Id.No.: 6316-5-006; S/N: 04020075

Z

LS-110, Id.No.:6236-5-109; S/N: 04020080Hardware setup completed:Z-Slant

TXoffset = 0.6 mrad, TYoffset = 1.2 mrad

Pixel/micron ratio

Rx = 0.302, Ry = - 0.303

Microscope assembled

HW SW

Last Sysal release is present

Software setup completed:

By using reference films (CERN July 2006) test beam emulsions the tracking efficiency was measured

Software installed

MIC 3

Activities: Hadronic interaction studies

Large area scan: multiple scattering and vertexing study at several energies

DB-driven scan-back

Nov 2004 plates: low density pion scan-back, vertex analysis

Dry objective test

CS doublets

CS pilot scanning

Efficiency test:Several tests were performed with different bricks (CERN Jul2006 and Nov2004 test beam) and different filters

CERN refreshed emulsions:Pions (Nov2004) scanned with new filter

-150 mrad 150 mrad

(3 GeV) (2 GeV)

90.9±0.6 % 92.5±0.2 %OPERA-like emulsions: 7 GeV pions (Jul2006)

With standard filter With new filter

16 mrad 340 mrad 16 mrad 120mrad 190mrad 340mrad

81% 75% 92.7±0.8 84.5±1.6 87.2±1.3 81.0±2.6Background with new filter: 4.7 (2.6) tracks/mm2 inside Tx = 450 mrad, Ty = 100 mrad

MIC 3

Microtrack angular resolution

Tx (Tx) (mrad)

16 5.7120 8.2190 9.7340 21.0

MIC 3

Basetrack angular resolution

Tx (Tx) (mrad)

16 2.0120 3.0190 3.9340 6.6

Hadronic interactions studies (MIC3)

Multiprong Trident Kink

4 bricks with high density pions of several energies (2÷5 GeV)For each brick 36 cm2/plate scanning area (scanning almost completed)

Expected more than 3000 pion interactions (the analysis is in progress)

MIC 5

Final Hardware configuration: Camera

MC1310 SNr: 30103

X-Y

MS-8, Id.No.: 6316-5-012; S/N: 05040064

Z

LS-110, Id.No.:6236-5-109; S/N: 05040031

Microscope assembled

HW SW

Last Sysal release is present

Software installed

Software setup completed:

By using reference films (CERN July 2006) test beam emulsions the tracking efficiency was measured

This microscope will be used as pilot stage for hardware and software tests:

- New Sysal software

- New tracking program

- Camera adaptor to increase the pixel/micron ratio

MIC 5

OPERA-like emulsions: 7 GeV pions (Jul2006)

Single refreshed Double refreshed

16 mrad 340 mrad 100 mrad 400mrad

90.4±1.0% 86.5±2.1% 92.1±0.9 86.4±1.8

Microscopes laboratory Mic2 and Mic3 in acquisition

Humidifiers systems Temperature and humidity sensors

Temperature and humidity control

Average temperature = 21.9±0.1(max) ºC

Average humidity = 67±1(max) %

T/time = (0.03 ºC)/min

H/time = (0.4 %)/min

Period = 6 min

Summary of scanning activities

Mic2: Peanut scan-back and vertex analysisMic3: Hadronic interactions studies and Scan back procedure optimization Mic5: Test for tracking efficiency improvements and background reductionMic1: Scanning of the bricks from pilot extractions

4 microscopes fully operative at nominal speed