C. Schwarz Physics with Antiprotons - Detector - Detector requirements Overview of the detector...

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C. Schwarz Physics with Antiprotons - Detector - Detector requirements Overview of the detector concept Detector components Trigger Costs
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Transcript of C. Schwarz Physics with Antiprotons - Detector - Detector requirements Overview of the detector...

  • Slide 1
  • C. Schwarz Physics with Antiprotons - Detector - Detector requirements Overview of the detector concept Detector components Trigger Costs
  • Slide 2
  • C. Schwarz Detector requirements (simulations) Energy release of charmed hadrons high large p trans large angles High cm-velocity (fixed target) high energies small angles Formation of and decay in muons + - J/ + X + - electrons similar calorimeter for large angles.
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  • C. Schwarz Detector requirements (PID) Forward angles need /K separation up to 3 GeV/c: Cherenkov n=1.02 Backward: higher value of n. p+p 4K s =3.6 GeV
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  • C. Schwarz Overview of detector concept internal target forward spectrometertarget spectrometer Heavy charmed mesons decay in light products with large p t. Solenoid is important. top view
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  • C. Schwarz Overview of detector concept side view
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  • C. Schwarz
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  • Central tracking: Microvertex Detector 7.2 mio. barrel pixels 50 x 300 m 2 mio. forward pixels 100 x 150 m beam pipe pellet pipe Space resol.: z =80m, r- =15m Track resol. : L =60-300 m T =12m Readout: ASICs (ATLAS/CMS) 0.37% X 0 or pixel one side readout other side (TESLA)
  • Slide 8
  • C. Schwarz Central tracking: Straw tubes [email protected] 15 skewed double layers to remove left-right ambiguity 4-8 mm skew angle: 5-15 o [email protected] p+p K + K - K + K -
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  • C. Schwarz Mini Drift Chambers 6 layers of sense wires in 3 double layers (y,u,v) not stretched radially (mass) realized at HADES expected counting rates position resolution 70m [email protected] [email protected]
  • Slide 10
  • C. Schwarz Particle identification PID from 0 0