3He(e,e'd) Beam charge Asymmetry and Live-Time asymmetry:

BCM calibration:

Old Calibration constants:

//####################################################################################
// // Calibration of BCMs.  Runs 1338, 1339 E05-102 Apr 2009
// // Parameters determined by Yawei.

  double calib_u1 = 2067.7;  double calib_u3 = 6370.86 ;  double calib_u10 = 19394.0; 
  double calib_d1 = 2172.32; double calib_d3 = 6712.81;   double calib_d10 = 21036.1; 
  double off_u1 = 396.056;   double off_u3 = 490.003;     double off_u10 = 930.143;  
  double off_d1 = 170.152;   double off_d3 = 211.956;     double off_d10 = 548.635;

New Calibration constants:

//####################################################################################
// // Calibration of BCMs.  Runs 2268 of the E05-102 May 2009
// // Parameters determined by Miha.

  double calib_u1 = 2333.83;  double calib_u3 = 7183.15 ;  double calib_u10 = 21890.784; 
  double calib_d1 = 2395.87; double calib_d3 = 7423.52;   double calib_d10 = 23408.59; 
  double off_u1 = 354.7;   double off_u3 = 328.5;     double off_u10 = 449.7;  
  double off_d1 = 140.2;   double off_d3 = 124.1;     double off_d10 = 294.0;

Problem:

Results: