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HES-HKS & KoaS meeting

HES-HKS & KoaS meeting. 24Jan2014 Toshi Gogami. Contents. Blind analysis. Distorted matrices. HKS x RP : 0.2*x RP mm , 0.2 mm x’ RP : 0.5 mrad , 0.2 mrad y RP : 0 .0 mm , 0.0 mm y’ RP : -3.0 mrad , 100.0 mrad HES x RP : -0.8 mm , 0.7 mm x’ RP : 0.0 mrad , 5.0 mrad

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HES-HKS & KoaS meeting

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  1. HES-HKS & KoaS meeting 24Jan2014 ToshiGogami

  2. Contents • Blind analysis

  3. Distorted matrices • HKS • xRP : 0.2*xRP mm , 0.2 mm • x’RP: 0.5 mrad , 0.2 mrad • yRP: 0.0 mm , 0.0 mm • y’RP: -3.0 mrad , 100.0 mrad • HES • xRP : -0.8 mm , 0.7 mm • x’RP : 0.0 mrad , 5.0 mrad • yRP : -1.0 mm , 0.7 mm • y’RP : -1.0 mrad , 5.0 mrad

  4. Missing mass spectra with initial matrices

  5. Tuning conditions • Event selection • Λ, Σ0 : +/- 1σ • 12ΛB g.s. : +/- 2σ • Backgrounds • Λ, Σ0 : Realistic distributions and S/N • 12ΛB g.s. : Uniform distribution and realistic S/N • Tuning (five iterations a loop) 67.5 hours in total

  6. Movies

  7. Results Mean values FWHM Λ , Σ0 : 1600 keV 7ΛHe : 1000 keV 他 : 500 - 800 keV ±100 keV

  8. Number of events Lambda, N/6000 52ΛV, N/3000

  9. Summary • D論 • Blind analysis • Matrix tuning • Resolution • Etc.

  10. 12C

  11. 7Li

  12. Sigma0

  13. 10B

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