Hi all, 
Som minor comments on the paper.  If some or all of these have been
mentioned before, I'm sorry. 
* Paragraph 1, line reading  
     number of parton (mainly gluon, since $N_g \propto 1/ \alpha_s$)
 
  Shouldn't $N_g$ be explained?  And shouldn't it be "partons" and
  "gluons"? 
* Paragraph 4, lines reading 
     Four sides of the SiMA were fully populated with six Si detectors
     each, one side had one detector, and one side was left
     unpopulated.  Each Si wafer is ... 
  I think we should be consistent, and call it either "detector" or
  "wafer".  I prefer "detector", since a wafer is something that
  industry produces, and we make detectors out of those. 
* Paragraph 4, line reading 
     ... and the remaining two sides populated with two detectors and
     one detector, respectively. 
  Drop the final "respectively". 
* Paragraph 4, line reading
     ... collisions occurring at the nominal interaction vertex. 
  I think it should be "interaction point", since a vertex may be
  confused with actual collision, or secondary vertex. 
* Paragraph 4, line reading 
     ... GEANT simulations ~\cite{Geant} ... 
  Put the cite after GEANT.  Also, the reference should be the one
  found at [1]. That is, 
     \bibitem{Brun:1978fy}
     R.~Brun, R.~Hagelberg, M.~Hansroul and J.~C.~Lassalle,
     %``Geant: Simulation Program For Particle Physics
     % Experiments. User Guide And Reference Manual,'' 
     CERN-DD-78-2-REV
Parapgraph 6, line beginning
     The ZDCs provide the minimum bias trigger for the experiment ... 
  What about the requirement of a least one hit above thresshold in
  the TMA and/or SMA?  Isn't that part of the min. bias definition? 
Paragraph 7, line reading 
     ... assuming that a cut on total multiplicity translates to a cut
     on collision centrality. 
  Isn't the "cut on total multiplicity" more a definition of the
  experimental centrality, that we assume corresponds to some nuclear
  overlap? 
Paragraph 7, line reaing 
     ... the MA and BBC distributions are based on the centrality
     measurements of the corresponding array.
  Is there a centrality determination from the BB?  Then how come
  that's not avaliable in BRAT? 
Paragraph 8 
  Why do we quote the isotope numbers of Au? 
Paragraph 9, line reading 
     ... the increased projectile kinetic energy ... 
  Sounds like we're doing a fixed target experiment. 
Paragraph 12, line reading 
      ... we obtain: $\alpha=0.98 \pm 0.10 and , 1.04 \pm 0.08$ and
      ... 
  Missing  $ pair. The above should be 
      ... we obtain: $\alpha=0.98 \pm 0.10$ and, $1.04 \pm 0.08$ and
      ... 
Table 1: 
  Instead of 
      $<N_{part}>$ 
  Why don't we use 
      $\left\langle N_{part} \right\lange$
  Looks much nicer, and saves space in the table as well! 
Yours, 
Christian Holm Christensen -------------------------------------------
Address: Sankt Hansgade 23, 1. th.           Phone:  (+45) 35 35 96 91 
         DK-2200 Copenhagen N                Cell:   (+45) 28 82 16 23
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Email:   cholm@nbi.dk                        Web:    www.nbi.dk/~cholm
[1] http://www.slac.stanford.edu/spires/find/hep/www?AUTHOR=Brun&TITLE=GEANT%3A+SIMULATION+PROGRAM+
     
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