Bi weekly meeting 2004 09 21 susumu oda
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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

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


6/6

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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