Muon Chamber summary data. The number of cathode pads is given as: nlayers´nx´ny, where normally nlayers =2 except for the GEMs where two separate chambers constitute the two layers. The number of wire pads is similarly given as: nlayers´nx

 

#

Ch.

Dist.

from IP

(m)

Sensitive

area

(mm2)

Wire pads

# and

width (mm)

Cathode pads

# and

area

(mm2)

# FE boards

per

Chamber

NOTE

M1

 

12.10

 

 

 

 

 

M1R1

24

 

240x200

 

 

24x8

10x25

12

3-GEM

M1R2

24

 

484x200

 

 

2x24x8

20x25

24

 

M1R3

48

 

968x200

 

 

2x48x2

20x100

12

 

M1R4

192

 

968x200

2x24

40

 

3

 

M2

 

15.27

 

 

 

 

 

M2R1

12

 

308x253

2x48

6.3

2x8x8

37.5x31.3

14

 

M2R2

24

 

612x253

2x48

12.5

2x8x8

75x31.3

14

 

M2R3

48

 

1224x253

 

 

2x48x2

25x125

12

 

M2R4

192

 

1224x253

2x24

50

 

3

 

M3

 

16.47

 

 

 

 

 

M3R1

12

 

332x273

2x24

40.5

2x8x8

40.5x33.7

14

 

M3R2

24

 

660x273

2x48

13.5

2x8x8

162x33.7

14

 

M3R3

48

 

1320x273

 

 

2x48x2

27x135

12

 

M4R4

192

 

1320x273

2x24

54

 

3

 

M4

 

17.67

 

 

 

 

 

M4R1

12

 

356x293

 

 

2x12x8

29x36

12

 

M4R2

24

 

708x293

 

 

2x12x4

58x72

6

 

M4R3

48

 

1416x293

 

 

2x24x2

58x145

6

 

M4R4

192

 

1416x293

2x24

58

 

3

 

M5

 

18.87

 

 

 

 

 

M5R1

12

 

380x313

 

 

2x12x8

31x39

12

 

M5R2

24

 

756x313

 

 

2x12x4

62x77

6

 

M5R3

48

 

1512x313

 

 

2x24x2

62x155

6

 

M5R4

192

 

1512x313

2x24

62

 

3