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R&D Activities and Plan Changgen Yang Institute of High Energy Physics Beijing.

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Presentation on theme: "R&D Activities and Plan Changgen Yang Institute of High Energy Physics Beijing."— Presentation transcript:

1 R&D Activities and Plan Changgen Yang Institute of High Energy Physics Beijing

2 Daya LingAo LingAo2 (2010?)

3 Design 1 (No LingAo2) Daya LingAo Near Detector distance: 650m overburden: ~100m Far Detector dist.(Daya) : 2240m dist.(LingAo): 1860m overburden: ~420m (overburden: 160m) Overburden: 160m

4 Design 2 (With LingAo2) Daya LingAo Near Detector(Both) distance: 500m overburden: 95m Far Detector dist.(Daya) : 2240m dist.(LingAo): 1860m overburden: ~420m (overburden: ~200m) Overburden: ~200m LingAo2

5 Liquid Scintillator 1.Palo Verde type: Gd(0.1%) + PC(40%) + n-paraffin(60%) 2.GdCl3 + fluor + Organic solvent High Gd : 5-10% (no Ge seperation) Stable Easy mixing High H/C ratio Light attenuation length(?, further investigation) On-line purification and dust removal(?)

6 Liquid Scintillator Tank 1.Normal acrylic painted with epoxy to resiste the pseudocumene 2.Epoxy mould

7 Out Tank 1.Polyethylene rotomolding 2.Glass fibre reinforced plastic MC simulation(detector design), calibration, trigger etc.

8 A Prototype(1:1) with normal 8” PMT Experience on the Gd loaded scintillator Performance of the module Calibration Tank mechanics Experience on ……

9 PMT s.p.e.

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