Bi weekly meeting 2004 09 21 susumu oda
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Bi-Weekly Meeting 2004/09/21 Susumu Oda PowerPoint PPT Presentation


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1/6. Bi-Weekly Meeting 2004/09/21 Susumu Oda. 1. Noise Analysis 2. Two Track Separation 3. JPS Meeting. 2/6. Noise Analysis Fourier Transform. Fourier transform was applied to signal. Though three peaks can be seen, they don ’ t seem to be significant. 3/6. Noise Analysis Pedestal.

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Bi-Weekly Meeting 2004/09/21 Susumu Oda

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Bi weekly meeting 2004 09 21 susumu oda

1/6

Bi-Weekly Meeting2004/09/21Susumu Oda

1. Noise Analysis

2. Two Track Separation

3. JPS Meeting


Noise analysis fourier transform

2/6

Noise Analysis Fourier Transform

  • Fourier transform was applied to signal.

  • Though three peaks can be seen, they don’t seem to be significant.


Noise analysis pedestal

3/6

Noise Analysis Pedestal

  • The fluctuation of pedestal for a run is ~0.6ch.

  • The fluctuation of mean of pedestal during for an event is ~0.2ch.

  • The 1st channels of each board are noisy.


Noise analysis correlation analysis

4/6

Noise Analysis Correlation Analysis

  • Correlation coefficients between pads were calculated.

  • Outer pads ~0.6.

  • Inner pads ~0.1.


2 two track separation distance of two tracks in drift direction

5/6

2. Two Track Separation Distance of two tracks in drift direction

  • Because of high beam rate evaluation of track distribution is difficult.

Simulation

With Pb

Simulation

Without Pb

Low rate

Without Pb

High rate

Without Pb

High rate

With Pb


Bi weekly meeting 2004 09 21 susumu oda

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3. Contents of Presentation at JPS Meeting“Research and Development of a Time Projection Chamber Using Gas Electron Multipliers (GEM-TPC)”

  • 1. Title, Name and Contents

  • 2. Motivation of GEM-TPC

  • 3. Structure and Readout of GEM-TPC

  • 4. Setup of Beam Test and Measurement Topics

  • 5. Detection Efficiency

  • 6. Spatial Resolution

  • 7. Two Track Separation

  • 8. dE/dx Measurement for PID

  • 9. Beam Rate Dependence

  • 10. Conclusion


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