Detector R & D plan Detector Development plan Detector Simulations Conclusion SINP/VECC Meeting High Energy Physics Group, BHU
What do we want? Fast (ns range) High localization accuracy Larger area High rate capability Operation in magnetic field Long life time Low cost SINP/VECC Meeting High Energy Physics Group, BHU
Micropattern Detectors Microstrip (A. Oed) Micromegas (Y. Giomataris) GEM (F. Sauli) Microdot (S.F. Biagi) MIPA (P. Rehak) Microwell (W.K. Pitts) Micro Groove (R. Bellazzini) SINP/VECC Meeting High Energy Physics Group, BHU
Micropattern detector Microdot (Biagi et al)Micromegas (Giomataris et al) SINP/VECC Meeting High Energy Physics Group, BHU
Micropattern Detector CAT meshMicro Pin Array SINP/VECC Meeting High Energy Physics Group, BHU
Gaseous Electron Multiplier (GEM) F. Sauli, Nucl. Instr. Meth. A386 (1997) SINP/VECC Meeting High Energy Physics Group, BHU
Detector Application: Muon Chamber Ring Imaging Cherenkov (RICH) detector Astrophysics Medical imaging etc SINP/VECC Meeting High Energy Physics Group, BHU
ALICE/HMPID concept of CsI RICH - liquid C 6 F 14 radiator - proximity focussing geometry - small gap MWPC (~2 mm) - cathode pads coated with CsI NA44 / CERN (0.3 m 2 ) finished STAR / BNL (1 m 2 ) running PHENIX / BNL (0.7 m 2 ) running HADES / GSI (1.5 m 2 ) running ALICE / CERN (11m 2 ) in preparation COMPASS / CERN (5.8 m 2 ) running Experiments with CsI RICH (active area m 2 ) MWPC front-end electronics pad cathode covered with CsI film PHENIX HBD BNL -CsI coated directly on GEM -CF 4 gas as radiator -Reverse drift field (Hadron blind) -Proximity focussing geometry (leptons produce a blob of 35 photons in about 10 cm 2 )
CBM Experiment SINP/VECC Meeting High Energy Physics Group, BHU
GEM Simulations MAXWELL to produce a 2D and/or 3D field mapping MAGBOLTZ to produce gaseous data GARFIELD to see the detector response SINP/VECC Meeting High Energy Physics Group, BHU
Conclusion Micropattern detector could be the best possible choice for Muon chamber as well as for RICH of CBM Experiment SINP/VECC Meeting High Energy Physics Group, BHU
Thanks! Ghat of Varanasi- Purification of Soul and body