Abstract

We report the performance of HF calorimeter and some details about the PMT window hit events. The new 4-anode PMTs will be installed during the 2013 shutdown period. We have developed HF GFlash, a very fast simulation of electromagnetic showers using parameterizations of the profiles in Hadronic Forward Calorimeter. HF GFlash has good agreement to 7 TeV Collision Data and previous Test Beam results. In addition to good agreement with Data and previous Test Beam results, HF GFlash can simulate about 10000 times faster than Geant4.

Highlights

  • We have developed HF GFlash, a very fast simulation of electromagnetic showers using parameterizations of the profiles in Hadronic Forward Calorimeter

  • The HF Shower Library has another problem because it deletes particles that enter HF Detector immediately and replace them with Shower Library that has very limited statistics

  • For simulation we use HF GFlash or Shower Library, and we found HF GFlash has better resolution compared to Shower Library

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Summary

Introduction

We have developed HF GFlash, a very fast simulation of electromagnetic showers using parameterizations of the profiles in Hadronic Forward Calorimeter. In addition to good agreement with Data and previous Test Beam results, HF GFlash can simulate about 10000 times faster than Geant[4]. 1. Introduction We have developed HF GFlash, a very fast simulation of electromagnetic showers using parameterizations of the profiles in Hadronic Forward Calorimeter.

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Conclusion

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