1. Open Charm Measurements with a Small Acceptance Vertex Detector @ NA61
Project duration:
M. Deveaux, Goethe University Frankfurt

2. Why this geometry? SAVD covers 35% of NA61 acceptance for D0+D0bar.
M. Deveaux

3. Expected results (GEANT4 Simulation)
A. Andronic, Workshop
on discovery at the
LHC, Kruger 2012
SAVD + NA61
Ideal PID
Always preliminary
Always preliminary
SAVD + NA61
No PID
Expected performance (preliminary):
~ 1000 D0 + D0-bar /week (Pb+Pb, 156 A GeV, HSD multiplicity)
S/B = 0.5 (No PiD), 13 (ideal PiD)
SNR = 22-30
M. Deveaux

4. Status of the proposal Status: Proposal filed early 2015
Decision 15. July 2015 => No funding
Expect report ~15. August
Potential reasons:
Too expensive for this term
Scientifically to weak
No NA61 funding possible via DFG
Rework and refile
for early 2016
Show stopper for
german funding.
In any case:
No funding available in 2015 (also not from my regular budget)
M. Deveaux

5. Status of the project Accordance of NA61: OK, M. Gazdzicki
Sensors: Established in CBM and EU-Det
Purchase: Already done by NA61
Support: Granted by M. Winter et al. (IPHC)
Payment of 2 sensors open (?)
Sensors QA: Demonstrated in CBM
Responsible: Deveaux / M. Koziel, IKF - Frankfurt
Support/Infrastructure: Prof. J. Stroth (IKF)
All ressources available, no spares
Mechanical support (ladders): ALICE - ITS
Purchase: Agreement NA61 – ALICE (L. Musa)
Responsible: G. Feofilov (St. Petersburg)
Funding: Russian funding (available)
M. Deveaux

6. Status of the project Sensor integration: Established in CBM
Responsible: Deveaux / M. Koziel, IKF - Frankfurt
Support/Infrastructure: Prof. J. Stroth (IKF)
Missing resources for flex cable.
Mechanical support (Detector, cooling):
Responsible: P. Stazel (Krakow) + Engineer.
Funding: Polish funding, granted.
FEE: Available, CBM
Responsible: Deveaux / J. Michel.
Funding: Polish funding (available).
Missing resources for hardware.
Missing resources for manpower.
M. Deveaux

7. Status of the project DAQ (Hardware/Software):
Established (CBM), needs adapting to NA61
Responsible: Deveaux, J.Michel (TRB-collab.)
=> Technology transfer to W. Kucewicz, Krakow
Missing hardware in Krakow.
Missing ressources for manpower.
Data analysis / simulation:
Codes: CBM (Deveaux, et al.), need to be adapted.
Simulation: P. Staszel
Analysis: P. Staszel, M. Deveaux
Missing ressources for manpower.
Dag took over to some extend.
Beam time:
Test run end of 2015, early 2016 (already requested).
Production beam time to be requested by NA61 for 2016 and 2017.
M. Deveaux

8. What is needed? Ressources for DAQ hardware (preliminary):
Name
Amount
Cost/Unit
Incl. 19% VAT
Total
Total + Incl VAT
CB PCB 12
638,40
759,70
FEB PCB
120,00
142,80
CB Components
140,00
166,600
1680,00
1999,20
FEB Components
10,00
11,900
Assembly CB
30,00
35,700
360,00
428,40
FPC Sensor -FEB
550,00
654,50
FPC FEB – CB 24
4,00
4,76
96,00
114,24
TRB3sc 5
500,00
595,00
2500,00
2975,00
TRB3sc crate 1
150,00
178,50
TRB3sc AddOn 4
100,00
119,00
400,00
476,00
Cables
420,00
PowerSupply 2x 4V/8A 2
300,00
357,00
600,00
714,00
Supplemental Electronics
Sum
9442,14
FPC
FPC
Standard, 0.15% X0
FEB – Front end board
CB – Converter Board
TRB3sc – Updated and lighter version of TRB3
Moreover: Ethernet infrastructure: 500€, Computer: 1000€

9. What is needed? Ressources for DAQ hardware (preliminary):
Name
Amount
Cost/Unit
Incl. 19% VAT
Total
Total + Incl VAT
CB PCB 12
638,40
759,70
FEB PCB
120,00
142,80
CB Components
140,00
166,600
1680,00
1999,20
FEB Components
8,00
9,520
96,00
114,24
Assembly CB
30,00
35,700
360,00
428,40
FPC Sensor -FEB
550,00
654,50
FPC FEB – CB 24
4,00
4,76
TRB3sc 5
500,00
595,00
2500,00
2975,00
TRB3sc crate 1
150,00
178,50
TRB3sc AddOn 4
100,00
119,00
400,00
476,00
Cables
5,00
5,95
PowerSupply 2x 4V/8A 2
300,00
357,00
600,00
714,00
Supplemental Electronics
Sum
9056,38
FEB – Front end board
CB – Converter Board
TRB3sc – Updated and lighter version of TRB3
First priority: Buy this hardware
=> Integration and Krakow projects can be continued.
M. Deveaux

10. How to do?
Idea of Marek:
Money for sensors still to be paid back to common fund.
Reduce repayment by ~10kEUR.
Use money for purchasing electronics via Krakow.
Wait for referee reports and plan next steps.
Needs to be defended in front of the NA61 collaboration board
=> Marek‘s job
M. Deveaux