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Some Checks on Boss6.3.0

Some Checks on Boss6.3.0. Chenhx 2007.9.19. Check on Inclusive sample. Information can be read from reconstructed data: Rec num., id, px, py, pz, e, iniPosi, finPosi Information can not be read: Run num. Information not included: ECM. BR(psip->g etac) = 0.0026

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Some Checks on Boss6.3.0

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  1. Some Checks on Boss6.3.0 Chenhx 2007.9.19

  2. Check on Inclusive sample • Information can be read from reconstructed data: Rec num., id, px, py, pz, e, iniPosi, finPosi • Information can not be read: Run num. • Information not included: ECM

  3. BR(psip->g etac) = 0.0026 BR(etac->4pi) = 0.012 Suppose effi. = 0.5 1.9M * 0.0026 * 0.012* 0.5 ≈31 singal events N_psip = 1909153

  4. Check on exclusive channels General selection: • Good charged tracks select: Vr < 1.0cm, |Vz|<5.0cm • Good photon select: Eraw >= 20MeV, • Ks rec. : BParticle • PID: K:with Prob(K) max, pi: with Prob(pi) max • 4pi: N_gchrg = 4 and Qtot = 0; 1<=Ngam<=6 • KsKpi: Nks = 1; N_gchrg=2 and Qtot=0; 1<=Ngam<=6; Nk = 1 • KKpipi: N_gchrg = 4 and Qtot = 0; 1<=Ngam<=6; Nk = 2; Npi = 2

  5. AngSam: Phase Space

  6. Statistic

  7. Thank you!

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