Brick Finding Package – Status Report
A. Chukanov, S. Dmitrievsky, Yu. Gornushkin
Joint Institute for Nuclear Research, Dubna
LNGS 11th October, 2006
Outline
• Package description
• Results
• Graphical User Interface
• Roadmap
• Conclusion
Program Algorithm
Cleaning Event
Cellular Automation
Reconstruction muon track directionHough Transform
Kalman Filter (from OpRec package)
Tracing Method
Reconstruction Hadron Jet direction
Reweighting hits method
Define wall with interaction
Neural Network
Find Brick
Define most probable brick
Results (CC events) “1 of 3” Full detector
Wall reconstruction efficiency:
1 wall 0.94 0.85
Brick finding efficiency
1 brick 0.71 0.702 bricks0.87 0.853 bricks0.91 0.92
GUI - Event Viewer
Execute event
Zoom buttons
Navigation buttons
Open Data files and Save PictureShow hits before and after selection
Drawing directions of Muon track And/Or Hadron Jet
Show particles or deposited energyMuon track reconstruction algorithm
Interactions type
Brick finding options
Program Development Button
Development
Online Event Viewer
develop the online data conversion to OPERA Root files
Map of inserted bricks
BMS people
Other BF algorithms can be added to our program
Conclusion
• Developed BF program (91% efficiency)
• Event Viewer is ready for online analysis
• We are ready to put the BF package to OPERA CVS repository
• We can implement all your suggestions