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A new EMCAL+HCAL Simulation with PISA

A new EMCAL+HCAL Simulation with PISA. Vasily Dzhordzhadze University of Tennessee Trigger Update Meeting 10/13/03. A new EMCAL+HCAL is proposed in the frame of the PHENIX trigger upgrade Project. EMCAL will replace current Nosecone (19 cm Cu). EMCAL material will be W+Si.

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A new EMCAL+HCAL Simulation with PISA

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  1. A new EMCAL+HCAL Simulation with PISA Vasily Dzhordzhadze University of Tennessee Trigger Update Meeting 10/13/03

  2. A new EMCAL+HCAL is proposed in the frame of the PHENIX trigger upgrade Project. • EMCAL will replace current Nosecone (19 cm Cu). • EMCAL material will be W+Si. • HCAL will be ~ 60 cm downstream from EMCAL • HCAL Thickness 30 cm (10 cm plastic + 20 cm Cu) • Aim of my studies was to estimate a new calorimeter influence on the Jpsi -> mumu detection.

  3. Analysis scheme was following: Pythia-> PISA -> PISAtoPRDF -> PRECO->Fun4All-> Analysis Two independent analysis chain was used: 1) Raphael’s Tutorial of the Jpsi simulation (1000 events) 2) My chain (currently also used for the Single particle simulation).

  4. Conclusion Replacement of Cu by W leads to the change of Jpsi Resolution: 146 MeV – >167 MeV (Raphael’s method) 155 MeV –>192 MeV (my method) W+Cu 167->180 (Raph.) 192->196 (my) Because of higher momentum cut on muons, statistic of detected Jpsi’s drops by factor ~ 2 : 364/174/117 (Raphael) 275/142/104 (my method) ~30% reduction of statistics.

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