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Calculation of detector acceptance for measuring muon lifetime in MuSIC beam test by GEANT4

Kuno -Group D1 Nguyen Duy Thong . Calculation of detector acceptance for measuring muon lifetime in MuSIC beam test by GEANT4. Introduction Results Summary. Outline. Introduction. MuSIC facility. The process in MuSIC facility:

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Calculation of detector acceptance for measuring muon lifetime in MuSIC beam test by GEANT4

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  1. Kuno-Group D1 Nguyen Duy Thong Calculation of detector acceptance for measuring muon lifetime in MuSIC beam test by GEANT4

  2. Introduction Results Summary Outline

  3. Introduction MuSIC facility

  4. The process in MuSIC facility: At first, protons are accelerated in the MuSIC facility. Then, they will impact with a target to produce p+ or p–. m+, m– are emitted in p+, p– in the decay process. Last, particles will be detected by detector.

  5. detector muon pion target Particles (m+, m–) are detected by a detector with 2 scintillators and 1 target. proton

  6. The detector consists of 2 scintillators and 1 target. • 2 scintillators have same size 380x50x3.5 mm3 • Target is made of Mg. The size of target: 370x80x20mm3

  7. In this study, by using Geant4 simulation: First, without using dipole magnetic-field(By=0T), the acceptance of detector is determined. Using dipole magnetic-field (By = ±0.04T), evaluate the acceptances of detector.

  8. Evaluate efficiency of muon between beamline and captured muon. Consider about detector acceptance. Detector acceptance is defined as ratio between number of detected e+ or e– and number of incident m+ or m–at detector. Motivation

  9. For By=0T, Results

  10. 0.1mA-proton beam impacts with target, from Geant4, some results were calculated The efficiency of m

  11. The detector acceptance

  12. For By=+0.04T The efficiency of m

  13. The detector acceptance

  14. For By=–0.04T The efficiency of m

  15. The detector acceptance

  16. In this research, with 0.1mA-proton beam, numbers of p+,p–,m+,m–,e+,eー were estimated The detector acceptances were calculated. Summary Next step • Some features need to be improved to ensure simulation better.

  17. Thank you for your attention

  18. Backup

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