Preliminary Results of 25 ns Test Beam on Florence Detectorhep.ucsb.edu/people/affolder/GTM_june_2000_slides.pdf · 2010. 4. 28. · Sigma .2703 sigma (cmn sub) chips =2 9.992 / 8

Preliminary Results of 25 ns Test Beam onFlorence Detector

Simone Busoni - INFN Firenzefor CMS Florence group

S. Busoni – INFN e Universita’ di Firenze – CMS week June 2000

Florence wedge detector

Milestone detector


Florence setup

ECPU

I2

C

��

PM

RS232

hp8131A

F

D

Selected MIPs

ScintillatorSilicon detector Hybrid

Kapton

Magnet

Interface cardSource

VME

Delay generator Logic Unit

β

SEQUENCER

Detector characteristics:

- Single sided wedge detector- 512 p+ strips with pitch from 108.5 µm to 137.4 µm- Strip width 25 µm- Dimensions: overall length 137 mm,

shorter side 58 mm, longer side 73 mm- Bonded to hybrid 134


S/N in Florence lab.

Laboratory performances (β source) for Florencedetector (unchanged before and after TB).

APV chip Mode Signal Noise S/N(ADC counts) (ADC Counts)

14 Pk 35.3 1.76 20.1

1a Pk 34.6 1.72 20.1

14 De 28.6 2.37 12.1

1a De 28.0 2.36 11.9


Beam profile

Beam profile for Florence detector

EntriesMean

2157 126.3

0

20

40

60

80

100

Ent

ries

Strip number

0 50 100 150 200 250 300


Beam profile

Beam profile for Module 11 and Module 10

Module 11

EntriesMean

2653 109.0

Module 10

EntriesMean

2463 119.8

0

20

40

60

80

100

Strip number

Strip number

Ent

ries

Ent

ries

0 50 100 150 200 250 300

0102030405060708090

0 50 100 150 200 250 300


Raw events display

comb pattern every second event

profilo evnt=1 chip=1

profilo evnt=2 chip=1

050

100150200250300350400450

Strip number

Strip number

Ent

ries

Ent

ries

20 40 60 80 100 120

0

50

100

150200

250

300

350400

450

20 40 60 80 100 120


Noise peak mode

Florence detector noisePeak mode

profilo sigma (cmn sub) chips =1

IDEntriesMeanRMS

61 128

57.96 42.60


IDEntriesMeanRMS

62 128

65.31 38.91

sigma (cmn sub) chips =1

IDEntriesMeanRMS

71 128

3.976 .6986


IDEntriesMeanRMS

72 128

3.156 .5757

4.647 / 12Constant 16.30Mean 3.059Sigma .3670

0

5

10

15

20

25

30

35

50 1000

5

10

15

20

25

50 100

0

2

4

6

8

10

12

0 2 4 6 8 100

2.5

5

7.5

10

12.5

15

17.5

20

AD

C c

ount

s

AD

C c

ount

s

Ent

ries

Ent

ries

Strip Strip

ADC counts ADC counts0 2 4 6 8 10


Noise deconvolution mode

Florence detector noiseDeconvolution mode

profilo sigma (cmn sub) chips =1 profilo sigma (cmn sub) chips =2





0

5

10

15

20

25

30

50 1000

5

10

15

20

25

50 100

0

2.5

5

7.5

10

12.5

15

17.5

20

AD

C c

ount

s

AD

C c

ount

s

Ent

ries

Ent

ries

Strip Strip

ADC counts ADC counts0 2 4 6 8 10

0

5

10

15

20

25

30

0 2 4 6 8 10


Landau Peak mode

Landau distribution for our second chip

var.f

IDEntriesMeanRMS

1000000 1145

77.36 47.04

48.83 / 52P1 304.6P2 51.83P3 18.16

ADC counts

Ent

ries

0

10

20

30

40

50

60

70

80

0 50 100 150 200 250 300 350 400 450 500


Noise peak mode - module 11

Module 11 noisePeak mode


IDEntriesMeanRMS

61 128

57.67 42.28

Strip

AD

C c

ount

s


IDEntriesMeanRMS

62 128

69.15 38.36

Strip

AD

C c

ount

s


IDEntriesMeanRMS

63 128

67.52 37.96

Strip

AD

C c

ount

s


IDEntriesMeanRMS

64 128

76.18 41.19

Strip

AD

C c

ount

s

0

5

10

15

20

25

30

50 1000

2

4

6

8

10

12

50 100

0

2

4

6

8

10

50 1000

10

20

30

40

50

50 100


Noise peak mode - module 11

Module 11 noisePeak mode


IDEntriesMeanRMS

71 128

2.494 1.698


ADC counts

Ent

ries


IDEntriesMeanRMS

72 128

2.165 1.393


ADC counts

Ent

ries

ADC counts

Ent

ries


IDEntriesMeanRMS

73 128

1.775 1.244

17.12 / 12Constant 81.63Mean 1.353Sigma .6791E-01

ADC counts

Ent

ries


IDEntriesMeanRMS

74 128

2.932 2.069


ADC counts

Ent

ries

05

1015202530354045

0 2 4 6 8 100

5

10

15

20

25

30

35

40

0 2 4 6 8 10

0

10

20

30

40

50

60

70

0 2 4 6 8 100

10

20

30

40

50

0 2 4 6 8 10


Noise deconvolution mode - module 11

Module 11 noiseDeconvolution mode


IDEntriesMeanRMS

71 128

2.607 1.522


ADC counts

Ent

ries


IDEntriesMeanRMS

72 128

2.326 1.455


ADC counts

Ent

ries


IDEntriesMeanRMS

73 128

2.121 1.221

1.086 / 2Constant 61.81Mean 1.687Sigma .8973E-01

ADC counts

Ent

ries


IDEntriesMeanRMS

74 128

3.093 .5202


ADC counts

Ent

ries

0

5

10

15

20

25

30

35

0 2 4 6 8 100

5

10

15

20

25

30

35

0 2 4 6 8 10

0

10

20

30

40

50

60

0 2 4 6 8 100

5

10

15

20

25

30

35

40

45

0 2 4 6 8 10


Signal module11 - dec. mode

Module 11 Signal - Dec. mode

S/N ∼ 12.5

IDEntriesMeanRMS

1000000 1122

24.09 13.60

64.00 / 42P1 521.0P2 16.97P3 4.071

0

20

40

60

80

100

120

140

Ent

ries

ADC counts

0 20 40 60 80 100 120 140 160


Correlation

Position of Florence cluster Vs. Module 11 cluster

0

25

50

75

100

125

150

175

200

225

250

Stri

p nu

mbe

r (F

lore

nce)

Strip number (Module11)

0 50 100 150 200 250 300


Correlation

Position of Florence cluster Vs. Module 10 cluster

0

50

100

150

200

250

300

Stri

p nu

mbe

r (F

lore

nce)

Strip number (Module 10)

0 50 100 150 200 250 300


Correlation

Position of Florence cluster Vs. Module 11 and Module10 cluster

050

100150

200250

300

050

100150

200250

Stri

p nu

mbe

r (F

lore

nce)

Strip number (Module 11) Strip number (Module 10)

0

25

50

75

100

125

150

175

200

225

250


Correlation

Landau distribution for Florence detector without cut oncorrelated clusters

ADC counts

Ent

ries

IDEntriesMeanRMS

1000000 2155

72.96 37.82

99.17 / 56P1 817.4P2 52.96P3 12.58

0

50

100

150

200

250

0 50 100 150 200 250 300 350


Correlation

Landau distribution for Florence detector with cut oncorrelated clusters of Module 10 OR Module 11

ADC counts

Ent

ries

IDEntriesMeanRMS

1000000 1108

70.32 33.28

66.86 / 41P1 456.9P2 52.74P3 11.40

0

20

40

60

80

100

120

140

160

0 50 100 150 200 250 300 350


Correlation

Landau distribution for Florence detector with cut oncorrelated clusters of Module 10 AND Module 11

ADC counts

Ent

ries

IDEntriesMeanRMS

1000000 434

68.88 33.59

53.31 / 31P1 198.9P2 52.29P3 9.596

0

10

20

30

40

50

60

0 50 100 150 200 250 300 350


Correlation

· cluster 1· cluster 2

0

50

100

150

200

250

300

Stri

p nu

mbe

r (F

lore

nce)

Strip number (Module 10)

0 50 100 150 200 250 300


Correlation

Landau distribution for Module 10 and Module 11Deconvolution mode

EntriesMeanRMS

2774 27.06 24.34

278.5 / 78P1 1283.P2 15.65P3 3.862

EntriesMeanRMS

2521 46.63 26.96

123.1 / 81P1 532.6P2 31.99P3 8.992

0

50

100

150

200

250

300

350

Ent

ries

ADC counts

Module 11

Ent

ries

ADC counts

Module 10

0 20 40 60 80 100 120 140 160 180 200

0

20

40

60

80

100

120

140

160

0 20 40 60 80 100 120 140 160 180 200


Correlation

Landau distribution for Module 10 and Module 11 with 1cluster correlation

Deconvolution mode

EntriesMeanRMS

1188 21.27 11.23

51.03 / 36P1 643.7P2 15.56P3 3.543

EntriesMeanRMS

1188 43.76 22.73

68.47 / 62P1 292.3P2 31.71P3 7.690

0

25

50

75

100

125

150

175

200

Ent

ries

ADC counts

Module 11

Ent

ries

ADC counts

Module 10

0 20 40 60 80 100 120 140 160 180 200

0

10

20

30

40

50

60

70

80

90

0 20 40 60 80 100 120 140 160 180 200


Correlation

Landau distribution for Module 10 and Module 11 with 2cluster correlation

Deconvolution mode

EntriesMeanRMS

151 21.92 9.857

26.66 / 9P1 151.7P2 15.15P3 3.294

EntriesMeanRMS

151 47.57 26.98

26.52 / 20P1 71.10P2 32.83P3 7.226

0

5

10

15

20

25

30

35

40

Ent

ries

ADC counts

Module 11

Ent

ries

ADC counts

Module 10

0 20 40 60 80 100 120 140 160 180 200

0

2.5

5

7.5

10

12.5

15

17.5

20

0 20 40 60 80 100 120 140 160 180 200


Cluster seed position in module 11

Cluster1 vs. cluster2

0

50

100

150

200

250

300

Stri

p nu

mbe

r (C

lust

er #

1)

Strip number (Cluster #2)

0 50 100 150 200 250 300


Test Beam results for Florence Detector

Florence wedge detector

Tick marks amplitude (±5 ADC channels):

APV 14 1a 1cFlorence setup 70 70 70

Test beam setup 120 110 125

Signal to noise ratio for Florence wedge:

APV chip Mode Signal Noise S/N(ADC counts) (ADC Counts)

14 Pk 49.3 3.6 13.7

1a Pk 38.6 3.0 12.9

14 De 56.0 4.43 12.6

1a De 48.2 3.80 12.7


Documents

Preliminary Results of 25 ns Test Beam on Florence Detectorhep.ucsb.edu/people/affolder/GTM_june_2000_slides.pdf · 2010. 4. 28. · Sigma .2703 sigma (cmn sub) chips =2 9.992 / 8