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Signal Extraction with Optimized Cuts for D0 Particle Decay in Milano Ntuples

Analyzing 2952 runs of D0 decays to K+K- in Milano Ntuples using optimized cuts to enhance signal extraction efficiency and reduce background noise. The study focuses on maximizing signal-to-background ratio with specific cuts on kinematic variables.

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Signal Extraction with Optimized Cuts for D0 Particle Decay in Milano Ntuples

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  1. Milano Ntuples, 2952 runs D0 K+K- Signal • Sezdee base cuts • L/S > 5 • L/Sig > 9 • K not P > -2 • DCL cut > .02 • D0_mom > 40 GeV/C^2 • dikaon mom. asymm. Cut < .6 • -reflection peaks more distinct PrimarilyKpp0 Primarily Kp • all of the above cuts • Min. dw > 3 • - higher mass peak seems to diminish significantly

  2. All of the above cuts • Primary isolation cut < .02 • Kp Anti-reflection cut • L/Sig, dwk, knp, D0_mom, dikaon mom. Asymm, antireflection

  3. D0Ks K+ K- Dalitz plots

  4. D0KsF signal L/Sig > 4 F mass with in +/-3 MeV of nominal L/Sig > 4 dw cuts in bronz files? Above cuts and dwmin > 2 Above cuts and dwmin > 1

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