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・ Signal extraction for B  DK, D  K p (@ 10/ab)

Prospects for f 3 measurement (ADS and GLW). ・ Signal extraction for B  DK, D  K p (@ 10/ab). Efficiencies Signal : + 10% X p BG : − 80 % qq BG : − 50%. (Current PID). New PID K/ p Eff. = 95% Fake rate = 1%. Improved by new PID. ・ Error estimation for f 3.

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・ Signal extraction for B  DK, D  K p (@ 10/ab)

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  1. Prospects for f3 measurement (ADS and GLW) ・Signal extraction for BDK, DKp (@ 10/ab) Efficiencies Signal : + 10% Xp BG : − 80% qq BG : − 50% (Current PID) New PID K/p Eff. = 95% Fake rate = 1% Improved by new PID. ・Error estimation for f3 Modes : DK and D*K Assumption : Current result f3=70°, rB(DK)=rB(D*K)=0.1, dB(DK)=110°, dB(D*K)=-40°, dD=23°±11° Current PID New PID 10 /ab 7.5° 6.3° 50 /ab 2.9° 2.1° New PID reduces error of f3.

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