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HES-HKS analysis meeting

HES-HKS analysis meeting. 23/Jan/2013 Toshi Gogami. Contents. Single Gaussian fitting of 12 Λ B g.s . with background events.  Mean value shift due to background shape How much is it? ( E05-115 data ) ( After and Before B.G. subtraction ). Peak finding with a ROOT function.

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HES-HKS analysis meeting

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  1. HES-HKS analysis meeting 23/Jan/2013 ToshiGogami

  2. Contents • Single Gaussian fitting of 12ΛBg.s. with background events.  Mean value shift due to background shape How much is it? ( E05-115 data ) ( After and Before B.G. subtraction )

  3. Peak finding with a ROOT function Low current data Peak finding --> Background estimation

  4. Simulation SIMULATION • Fit by single Gaussian to estimate mean value • See how much is it different from generated one σ = 700 keV/c2 Before subtracting B.G. SIMULATION After subtracting B.G. σ = 700 keV/c2

  5. Simulation SIMULATION • Fit by single Gaussian to estimate mean value • See how much is it different from generated one σ = 700 keV/c2 Before subtracting B.G. SIMULATION After subtracting B.G. σ = 700 keV/c2

  6. Results Looks it works well  Implementing into matrix tuning code

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