PANDA2: Silicon Micro-Vertex-Detector

1
Kai-Thomas Brinkmann EU FP6, GSI January
19, 2006
PANDA2 Silicon Micro-Vertex-Detector
Contract No. 515873 DIRACsecondarybeams

• Task 3 PANDA 2 Design of a high-resolution
  silicon micro-tracking device - Catania,
  Dresden, Jülich
• Progress and achievements during the first
  reporting period
• Update of the workplan (deliverables and
  milestones)
• Dissemination of knowledge (meetings, workshops
  and publications)

2
Introduction

• D-meson identification MVD
• measure tracks of particles
• as close as possible to their generation
• with best possible spatial resolution
• search for delayed decays (spatially separated
  from position of reaction)
• requires resolution of the
• order of the lifetime (ct100µm)

3
Technical challenges

• Challenges specific to PANDA
• reduce thickness further (low-energy
  particles!) gt material research for
  support structure
• mounting structure adopted to target pipe, beam
  pipe, pumping scheme
• optimum cooling scheme with minimized material
  budget
• extremely compact design in a high-radiation
  environment

4
Progress and achievements during the first
reporting period
Simulations aiming at the optimization of all
detector components Decisive finding Material
budget can be minimized by substitution of
several pixel layers by strip detector layers.
This does not compromise the resolution.

5
pp at 10 GeV/c
Progress and achievements during the first
reporting period
Radiation load maps
pPb at 4.05 GeV/c

6
Progress and achievements during the first
reporting period
Track count maps

• average radiation length less than 5 for all
  theta angles
• barrel part and disk part well seperated at 45
  theta
• minimum 3 hits between 10 and 140
• on average 4 - 5 hits
• maximum are 9 hits for the overlapping barrel and
  disk structures in the forward direction

7
Progress and achievements during the first
reporting period
Rev. 14
8
Progress and achievements during the first
reporting period
Simulations prepared for different materials and
compounds
Rev. 14
9
Update of the workplan (deliverables and
milestones)
10
Update of the workplan (deliverables and
milestones)
11
Update of the workplan (deliverables and
milestones)
Milestone Short title Date due
M3-1 Dimensions and key parameters of detector modules finished 30.06.06
M3-2 Technical layout of cooling system finished 31.12.06
M3-3 Technical layout of full detector frame finished 31.05.07
M3-4 Performance study of a detector prototype finished 31.01.08
Deli Short title Date due Diss.
D5 Technical layout and drawings of detector modules and cooling systems 31.12.06 TL/PU
D6 Technical layout of full detector frame and performance study of a technical prototype 31.05.07 P/TL/ PU
D7 Technical Design Report 31.01.08 R/PU
12
Dissemination of knowledge (meetings, workshops
and publications)
Up to now regular discussions at the
quarter-annual PANDA meetings First topical
meeting planned for the next PANDA meeting,
Dresden March 6 10 Talks and PANDA
publications of people involved in DIRAC
Secondary beams
13
Rev. 14