07 BTOW absolute gains 'ab initio'

 Summary of intended BTOW HV change, February 24, 2009

Conclusion:

We will NOT change average gain of West BTOW for eta bins[1,18]. For all other eta bins we will aim at the average West Btow marked as red dashed line.

 Full presentation is in attachment 1.

Detailed E/P spectra for 40 eta bins are in attachment 2 & 3.