1 PEBS Prototype PERDaix was launched in October 2010 from Kiruna, Sweden.

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Presentation transcript:

1 PEBS Prototype PERDaix was launched in October 2010 from Kiruna, Sweden

3 Dark Matter ? Astrophysics ? Dark Matter ? Astrophysics ? Solar Modulation ? Galprop Adriani+’08Adriani+’08

4 Charge-Sign dependent Solar Modulation ? Proton Anti-Proton

PEBS Prototype: PERDaix 5 420mm 800mm 200mm Acceptance ~40 cm²sr weight ~40kg power ~90W Proton Electron Radiation Detector Aix-La-Chapelle Balloon-borne spectrometer Measurement of cosmic rays up to 5 GeV First successfull balloon flight in October 2010

PEBS Prototype: PERDaix 6 Acceptance ~40 cm²sr weight ~40kg power ~90W Proton Electron Radiation Detector Aix-La-Chapelle Balloon-borne spectrometer Measurement of cosmic rays up to 5 GeV First successfull balloon flight in October 2010

7 B/C - data Dark Matter ? Astrophysics ? Dark Matter ? Astrophysics ? B.Beischer et al., New Journal of Physics 11 (2009) (15pp). Galprop

8 PEBS-02, 1 GeV – 2 TeV AMS-02, 1 GeV – 1 TeV PAMELA, 1 GeV – 0.5 TeV (5 years) Galprop 400 GeV WIMP Pulsar

9 What’s here? HESS FermiFermi PEBS-02, e - 1 GeV – 2 TeV PAMELA, e - 1 GeV – 0.5 TeV AMS-02, e - 1 GeV – 1 TeV Electrons + Positrons I.Moskalenko, COSPAR 2010, Bremen

PEBS Experiment 10 The overall height, including the lower crush pads, is 2.7 m and the overall width is 3.3 m. The total weight of the instrument is 2000 kg.

11 TRD 1 TRD 2 Magnet ECAL Outer SciFi Tracker 1 Outer SciFi Tracker 2 Inner SciFi Tracker ToF The magnetic spectrometer has a geometrical acceptance of 1200 cm 2 sr for electrons. The most important contributions to the overall weight are the magnet (890 kg) and the calorimeter (650 kg), The power consumption is dominated by the 250 W needed for the tracker which has roughly 60,000 individual readout channels. The lower detector combination of TRD and ECAL, which can be used for the measurement of the combined electron- positron spectrum at high energies, has an acceptance of 6000 cm 2 sr. PEBS-1 B=0.34 T Permanent

PEBS TRD 12 p e production of 128 TRD modules completed production of 128 TRD modules completed 2x8 Layers each existing of: 20 mm fibre fleece Ø 6 mm straw tubes filled with Xe/CO 2 80%/20% HV 1450 V TRD 1 TRD 2