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PID and Reconstruct Tmass

PID and Reconstruct Tmass. Y.C.Han @K0 Meeting Nov29, 2007. PID Structure No Cut. PID W/ Cut. PID: proton, pi+, or pi- Target Region: -2.5cm<vPosX<1.5 cm Time: |IH – Tag|<2.0 nsec.

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PID and Reconstruct Tmass

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  1. PID and Reconstruct Tmass Y.C.Han @K0 Meeting Nov29, 2007

  2. PID Structure No Cut

  3. PID W/ Cut PID: proton, pi+, or pi- Target Region: -2.5cm<vPosX<1.5 cm Time: |IH – Tag|<2.0 nsec

  4. Reconstruct Target Mass W/O Cut Lp1(MomP1, Ep1); Lp2(MomP2, Ep2); Lpi (MomPi, Epi); Lg(Momg, Eg) Lt=Lp1+Lp2+Lpi-Lg

  5. Deuteron Mass: 1.876 GeV/c**2

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