R Analysis Memo

 


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 Event Selection

 Beam-gas Background Rejection

 Detection Efficiency

 Generator  

 Radiative Correction

 Luminosity

 Error analysis

 dE/dx Correction

 Trigger



Event Selection

      1. Hadronic events selection in the first R scan (16/01/1999, G. S. Huang)

      2. Event selection for R   (X. R. Qi for Tau Mass Data)

      3. Improvements in Hadron Event Selection   (24/11/2000, G. S. Huang)

  

Beam-gas Background Rejection

      1. Beam gas background-separated beam and single beam operation  (09/22/1998, G.S. Huang)

      2. The subtraction of beam-associated background in hadronic event sample  (01/11/00, G.S. Huang)

      3. Using a Vertex Fitting Routine for Beam-Associated Background Removal  (03/19/00, D. Kong)

  

Detection Efficicency

      1. Determination of detection efficiency for hadronic events  (04/22/1999, X.R. Qi)

      2. Final Efficiency in 2nd R Scan  (24/11/2000, G. S. Huang)

  

Generator

      1. LUND Charm generator  (01/25/2000, J.C. Chen)

      2. Lund Area Law and Its Application in R Scan  (H.M.Hu)

      3. Modified ISR in D&Ds Generators (05/24/2000, H.M.Hu)

      4. Lund Area Law and Its Application in R Scan  (11/22/2000, H.M.Hu)

  

Radiative Correction

      1. Initial state radiative correction  (09/22/1998, H.M. Hu)

      2. Initial Radiative Correction for R Measurement at BES   (11/22/2000, H.M.Hu)

  

Luminosity

      1. Luminosity Measurement for the R project (C. Z. Yuang)

      2. Cross Check to Luminosity Calculation (04/03/1998, G. S. Huang)

      3. Luminosity Calculation for Tau Mass Data  (02/04/1998, G. S. Huang)

      4. Measurement of Integrated Luminosity in R Scan  (12/02/2000, Z. Y. Wang)

      5. A Note on Luminosity  (12/02/2000, W. B. Yan)

  

Error analysis

      1. Summary on Error Analysis for the Second R Scan  (24/11/2000, G. S. Huang)

  

dE/dx Correction

      1. Correction of dE/dx for MDCII  (7/14/1999, J.C. Chen)

  

Trigger

      1. Trigger Efficiency Study for R Scan (Run12106-Run12118)

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