[Hall A Winter 2011] Modifications to the data base

[Zhihong Ye]

Dear Or,

I believe what you asked me was "attenuation coefitions" and my answer 
was 'I did not modify this value'.

For the "Amplitude transformation Coefficients", they could be different 
if people only calibrate certain range of data, for example, those 
coefficients are only good for data taken after 10th of March, or the 
detecotrs' conditions are changed, for example, HVs  (Please check this: 
http://www.jlab.org/~adaq/halog/html/1103_archive/110308192603.html).

I don't see why this is a such "big issue" to you since the Amplitude 
transformation coefficients are simply used to align ADC channels, and 
as I was told by your group, you don't need ADC info at L-HRS.

Best regards,
Zhihong


On 3/29/2011 2:56 PM, Or Hen wrote:
> Hi,
>
> Someone modified the S1 and S2 data base between the 02nd and 10th of 
> march.
> The main modofication was the "Amplitude transformation coefficients".
>
>
> Not that it's a big issue but I would like to ask why was it changed 
> and if there's a halog about it?
> (We searched  for one and didn't see it)
>
> -- 
> Thanks'
> Or.
>
>
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