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Readout principle

Equiv. input charge due to noise:. Readout principle. Time. Continuously sensitive Self-triggering. E drift. Drift direction. LN 2 pumps. Cooling system. Drawing pannel. Cooling panels. Commercial Insulation. Two LN 2 circulation pumps, max speed 24 m 3 /hr, max head 5 bar.

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Readout principle

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  1. Equiv. input charge due to noise: Readout principle Time • Continuously sensitive • Self-triggering Edrift Drift direction

  2. LN2 pumps Cooling system Drawing pannel Cooling panels Commercial Insulation Two LN2 circulation pumps, max speed 24 m3/hr, max head 5 bar

  3. Internal detector view Wire Chamber Side B Wire Chamber Side A Cathode Drift distance 2 x 1.5 m

  4. Muon decay 92 cm 53 cm Run 975, Event 118 Collection Right

  5. V0 candidate 73 cm 50 cm 43 cm Run 969, Event 18 Collection Right 42 cm

  6. Multiple Shower Run 975, Event 15 Collection Left 174 cm 395 cm Run 975, Event 143 Collection Left 14 m 153 cm

  7. Run 975, Event 133 Collection Right 174 cm 16,4 m 920 cm 185 cm Run 975, Event 146 Collection Right Multiple muons + multiple showers

  8. Big Shower 706 cm 170 cm Run 975, Event 157 Collection Right 176 cm Run 961, Event 16 Collection Right 434 cm

  9. Pi zero candidate (preliminary) • Reconstruction of g-showers 158 MeV  = 141o Minv = 650 MeV 752 MeV  = 25o 140 MeV Minv =140 MeV (error evalulation in progress) Collection view Run 975, Event 151

  10. Detector’s performance (cont.) D e+ K+ B A µ+ C B A µ+ e+ Induction 2 view C Run 939 Event 46 Collection view AB A µ+ B K+ e+ µ+ BC Run 939 Event 95 C Particle identification by characteristic decay (µ+,µ-,K+,K-, Ko)

  11. Induction 2 view Collection view Box dimensions: 42 x 14 x14 cm Eereconstructed=45 MeV Run 939 Event 95

  12. Electron from m decay measurement

  13. ≈25 cm GOK (God Only Knows…) ≈15 cm ……and may be some theorist

  14. Aux. Units T600 T600 Installation in LNGS Shock Absorbers

  15. Aux. Units T600 T600 Installation in LNGS

  16. The T3000 Detector

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