1

First Look at the July-August12 TestBeam Data

T. Alexopoulos, G. Iakovidis, S. Leontsinis, K. Ntekas

2

fingerSci (SA)

Beam profile wire chamber

727

TEST BEAM SETUP Jul-Aug2012 (27.07.2012-10.08.2012)

Si3Si6Y-inverted

26 26

Jura

1155

50

TOP VIEW

SIDE VIEW

Si1

26

s1

s640

New movable table

(π-, -80 GeV/c)

z

x

z

y

y

xx

(π-, -80 GeV/c)

veto Sci

SBSD

5

SB

Saleve

170

15

SC

5

Si1

26

s1

s640

Si6Y-inverted

26

Si3

26

s1

s1s640

s640

42

16

Info: Test MM: T1-8, p=0.4mm, sw=0.3mm, gp=5mm

X XX XX XX X

T1

T2

T3

T4

T5

T6

T7

T8

XY XY

Tmm3

Tmm2

XY

Tmm5

X XX XX XX X

T1

T2

T3

T4

T5

T6

T7

T8

XY XY

Tmm3

Tmm2

XY

120

Freiburg frame

-θ

Info: Ref MM: Tmm2-6, p=0.250mm, sw=0.150mm, gp=5mm

XY

Tmm6

XY

1250

205

(π-, -120GeV/c after Mon 30.07)

(π-, -120GeV/c after Mon 30.07) Tmm6

Tmm5

s1

s64s256

s1

s1

s25

6

1480

L1

L1

s64

3

4

APV Elx

5Ineffic.= π(d2/4)/L2=0.011 for d=0.3mm & L=2.5mm

L dpillars

Plane Efficiency

Define Normal tracksUse cluster position as a hit

x

x

x

x

x

xx

T1T2

T3T4

T5T6

T7T8

6

missing

Missing cluster positions

pilarpilar

x

x

x

x

x

xx

T1T2

T3T4

T5T6

T7T8

7

Normal Tracks

0.21mrad

0.21mrad

x

x

x

x

x

xx

T1T2

T3T4

T5T6

T7T8

x

0.18mrad

Define Normal tracksUse cluster position as a hit

[rad] [rad]

[rad]

8

Position ResolutionNormal Tracks

x

x

x

x

x

xx

T1T2

T3T4

T5T6

T7T8

x

Define Normal tracksUse cluster position as a hitCalculate residuals

σin

mmx

x

x

x

x

xx

T1T2

T3T4

T5T6

T7T8

σex

final σ=(σin*σex)1/2

9

Angular Resolution

T1T2

T3T4

T5T6

T7T8

θ

Odd MM earliest-time stripEven MM earliest-time stripAll MM earliest-time strip

Odd MM Average stripEven MM Average stripAll MM Average strip

Odd MM track infoEven MM track infoAll MM track info

si sfx

xOdd MM cluster infoEven MM cluster infoAll MM cluster info

10

Theta=20 degrees

uTPC modeθ

11

T12

T34

T56

T78

?

12

Theta=30 degrees

13

T12

T34

T56

T78

?

14

Theta=40 degrees

15

T12

T34

T45

T56

?

16

0.18mrad

0.21mrad0.21mrad

0.37mrad 0.47mrad0.38mrad

0.23mrad0.30mrad 0.33mrad

[rad]

[rad]

[rad] [rad]

[rad] [rad]

[rad][rad] [rad]

17

0.45mrad

0.78mrad

0.55mrad 0.85mrad 0.82mrad

0.87mrad0.93mrad

0.56mrad0.57mrad

[rad] [rad] [rad]

[rad][rad] [rad]

[rad] [rad] [rad]

18

[rad]

[rad] [rad]

[rad]

[rad]

[rad]

[rad][rad] [rad]

19

[rad][rad] [rad]

[rad] [rad] [rad]

[rad][rad] [rad]

20

VMM1

1.6mrad

1.3mrad1.4mrad

0.85mrad0.88mrad

[rad] [rad]

[rad] [rad]

[rad] [rad]

21

22θparal

upn

mm

mm

mm

ResidualsAll MM Track Info

T1 MM

23

final σ=(σin*σex)1/2

x

x

x

T1

T3

T5

T7

10o

x

x

x

T2

T4

T6

T8

mm

mm

24

final σ=(σin*σex)1/2

x

x

x

T1

T3

T5

T7

20o

x

x

x

T2

T4

T6

T8

mm

mm

25

final σ=(σin*σex)1/2

x

x

x

T1

T3

T5

T7

30o

x

x

x

T2

T4

T6

T8

mm

mm

26

final σ=(σin*σex)1/2

x

x

x

T1

T3

T5

T7

40o

x

x

x

T2

T4

T6

T8

mm

mm

27

VMM1 Normal TracksNumber of clusters

Pilars

mm

x

xx

x

T1T2

T3T4

T5T6x

28

VMM1 Normal TracksResiduals

x

xx

xx

T1T2

T3T4

T5T6

29

mm

VMM1 card Flat cable AZ adapter BNL DAQ card

Analog Amplitude & time Lemo cables

Avnet LX9switchx16

mmdaq PCSDC

RJ45

USB

Power supply 8A/5V

CL & triggerSci trigger

APV SRS FEC

Mezz cardFPGA Virtex-7

Trigger Eval board

CL

& t

rig

ger

dis

trib

utio

n

RJ45 RJ45RJ45

RJ45

RJ45

Fast trigger out (LV

DS

)

x16

Monitor out

VMM1 Readout SystemJuly 2012

x16

x16

30

To Ethernet switch

mMegasDetector

FPGA Trigger Processor

Address in Real Time8 planes

VMM1 ControlAnd Digitizer

Trigger & Clock

From SRS(Givi’s card) Trigger/Clock

Distribution

Monitor

Analog AmplitudeAnd Time

31

Theta=30 degrees

32

Theta=30 degrees

33

T12

T34

T56

34

30o20o10o

540V530V520V

30o20o10o

540V530V520V

35

Earliest time of T1 & T2 APV-Earliest time