[Olympus] Revised PRL paper

[Belostotski, Stanislav]

Dear Douglas and all,
The paper now looks better but  some things must be still clarified.
1.First about MIE. It is now specified  which value is used for 
monitoring: ratio of what to what. However the statement
" By extracting luminosity from a ratio of
rates, the MIE analysis exploited cancellation of several
systematic uncertainties, reducing the uncertainty in the
relative luminosity between beam species to 0.36%."
   must  be  clarified   by giving at least  one example of mentioned 
above cancellation and clear indication of what is the main source of 
the systematic uncertainty advertised.
2. Fig.3  I am afraid misleading, Effect is small and for sure 
comparable with uncertainty in Blunden curve.The calculated TPE  is 
function BOTH epsilon and Q**2. Then we must show  the similar  plot for 
  Q**2. Why should we show the comparison versus epsilon and should not 
versus Q**2?
3.When calculating the statistical error bar unifying a pair (or 
several) independent analyses, it should not be taken as average. If we 
believe in the results and trust in all variant of the analysis
it must be calculated as weighted mean. As for systematic uncertainty, 
this is always difficult as there is no  definite prescription for that.
Cheers,  StanB



On 08.12.2016 7:42, Douglas K Hasell wrote:
> Dear Colleagues,
>
>          The attached PDF is the revised paper after responding to the concerns of the PRL referees.  I also attach the letter I would propose sending back to PRL to address the referee’s questions.
>
>          Please send me any comments or suggestions. as soon as possible or by Monday, December 12 at the latest.
>
>          Thank you.
>
>                                                       Cheers,
>                                                               Douglas
>
> 26-415 M.I.T.                                  Tel: +1 (617) 258-7199
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>
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