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Progress Report. Pad Plane Geometries Track Reconstruction Vertex Reconstruction. Square Plane. 16 mm² Square Plane. Padplane Geometries. 4 mm² HexPlane. 16 mm² Hex Plane. MC TPC Points. TPC Primary Clusters. TPC Drifted Electrons. TPC Avalanche. TPC Cluster. Overview.

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Progress report
Progress Report

  • Pad Plane Geometries

  • Track Reconstruction

  • Vertex Reconstruction

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Square plane
Square Plane

16 mm² Square Plane

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Padplane geometries
Padplane Geometries

4 mm² HexPlane

16 mm² Hex Plane

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Mc tpc points
MC TPC Points

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Tpc primary clusters
TPC Primary Clusters

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Tpc drifted electrons
TPC Drifted Electrons

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Tpc avalanche
TPC Avalanche

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Tpc cluster
TPC Cluster

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Overview
Overview

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Tpc cluster w amplitude
TPC Cluster w/Amplitude

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Trivial clustering
Trivial Clustering

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Vertex reconstruction
Vertex Reconstruction

  • Use Linear Function to fit Tracks

  • Determine Vertex by point of closest approach

  • Identify primary and secondary vertex via Mother ID

  • Calculate distance to Monte Carlo Vertex

Fittet Tracks

Real Tracks

Deviation

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


Mc based results
MC-Based results

Fopi Elsa

Number of Events 4999 4993

Events with primary vertex found 3045 2675

Events with secondary vertex found 2619 1982

Events with both vertecies found 2552 1900

Lambda decay length in those events 81 mm 82 mm

Deviation of primary vertex 0,7 mm 2,0 mm

Deviation of secondary vertex 1,2 mm 4,8 mm

Florian Nebel GEM-TPC Telephone Meeting München, 2.8.2007


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