Mechanical integration of PANGEA Marcell Steinen Helmholtz-Institut - - PowerPoint PPT Presentation

mechanical integration of pangea
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Mechanical integration of PANGEA Marcell Steinen Helmholtz-Institut - - PowerPoint PPT Presentation

Mechanical integration of PANGEA Marcell Steinen Helmholtz-Institut Mainz Panda Coll. Meeting 18/1, GSI, 03/06/17 PANGEA PAnda GErmanium Array 20 individual detectors, 3 crystals each Electro-mech. Cooling (~LN2 temperatures)


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SLIDE 1

Marcell Steinen

Helmholtz-Institut Mainz Panda Coll. Meeting 18/1, GSI, 03/06/17

Mechanical integration of PANGEA

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SLIDE 2

Marcell Steinen 2/9

PANGEA – PAnda GErmanium Array

  • 20 individual detectors,

3 crystals each

  • Electro-mech. Cooling (~LN2 temperatures)
  • Fully integrated design
  • Very rough conditions for Ge detectors

3 x HV/Preamp DCS Crystals BG suppression Support electronics

12 cm

Cold head/ Cooler

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SLIDE 3

Marcell Steinen 3/9

Floating detectors ...

  • 5 columns
  • 3 z positions
  • ~ 500 kg

beam

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SLIDE 4

Marcell Steinen 4/9

Backward Endcap EMC

  • rails for mounting
  • long lever
  • counterweights on the platform
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SLIDE 5

Marcell Steinen 5/9

Holding Frame

In coll. with Ferchau Engineering

  • same rails as BW EMC
  • multiple segmented plates
  • Stainless steel and aluminium
  • individual parts electrically isolated
  • tripping of solenoid uncritical
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SLIDE 6

Marcell Steinen 6/9

Sub-modules

  • 5 sub-modules for easy mounting / maintenance
  • each sub-module accessible via crane / lifting device

Beam pipe hole: d = 95 mm No MVD in this setup

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SLIDE 7

Marcell Steinen 7/9

Mounted Detectors

Sub-modules screwed to holding plates via rods

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SLIDE 8

Marcell Steinen 8/9

Mounted Detectors

Additional connectors on the outside

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SLIDE 9

Marcell Steinen 9/9

PANGEA inside the PANDA barrel

beam Space for cabling

  • f the target system
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SLIDE 10

Marcell Steinen 10/9

Backup slides

Backup slides

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SLIDE 11

Marcell Steinen 11/9

Production of hypernuclei at PANDA

< 1 MeV < 10 MeV Energy of γ and pions depends on the ΛΛ binding energy