Re: Mult paper

From: Dieter Rohrich (dieter@fi.uib.no)
Date: Fri Aug 03 2001 - 13:03:37 EDT

  • Next message: Stephen J. Sanders: "Re: Mult paper"

    Dear Stephen,
    
    very nice letter. I only have three comments:
    
    multiplicity dependence of (dn/deta)/Npart at midrap.:
    Since PHOSOS and PHENIX make a big point out of it, shouldn't we
    address it more quantitatively, e.g. a figure, or a detailled discussion
    at the bootom of page 9?
    
    limiting fragmentation (page 10):
    what about AGS? I am sure there is data (e.g. emulsion) at AGS energies.
    
    UrQMD:
    UrQMD is NOT successful in describing SPS results. 
    Either be more specific about what observable you mean or remove this
    sentence (page 11, top)
    
    With best wishes,
    Dieter
    
    -------------------------------------------------------------------
    Dieter Roehrich        |
    Fysisk institutt       |            Email: Dieter.Rohrich@fi.uib.no 
    Universitetet i Bergen |                        Tel:  +47-555-82722 
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    On Thu, 2 Aug 2001, Stephen J. Sanders wrote:
    
    > Hi JJ,
    >   Welcome back!  
    > 
    >     I will make the wording changes and post a draft with all of the
    > changes that I've received (mostly very minor wording) later today.
    > 
    >   Unfortunately, the "procedural issue" that I alluded to in my earlier 
    > message
    > is real.  Notification of our intent to publish was not sent to the other
    > experiments before Flemming left for vacation.  I will be gone until
    > next Sunday, so the present "plan" is to have Flemming send
    > notification on Monday when he gets back, and I'll submit the following
    > Monday (I'll try to post to arXiv next Sunday).  
    > 
    > The size issue is an interesting one.  We are well over the recommended 
    > size for
    > Physics Letters.  However, the journal seems to be willing to bend on 
    > this rule--Looking
    > at several recent issues, I found a number of papers that were 
    > comparably overlength.
    > The Information for Authors discussion presents the size recommendations as
    > a recomendation and not as a hard limit.
    > I think we are reasonably concise in our presentation and so I am hoping 
    > that
    > this will count in our favor.  However, I don't have any experience here.
    > 
    > Hiro has looked at different mulitiplicity cuts: Si alone, Tile alone, 
    > BB alone,
    > Si+Tile, and does not see any significant difference in the dN/deta 
    > distributions.  In
    > particular, this does not resolve the Si/Tile "problem".  I think we are 
    > need to live
    > with this...
    > 
    > I'm not sure about the reference question.  For political reasons if 
    > nothing else, I think
    > we need to keep the latest Phobos preprint references.  The only 
    > reference that
    > people can not look up is the  one to our NIM contribution.  My own 
    > feeling is that
    > this is weak and should probably not be there. My impression, however, 
    > is that most
    > of the working group wants to keep it.  I don't feel strongly one way or 
    > the other.
    > 
    > Regards,  Steve
    > 
    > Jens Jorgen Gaardhoje wrote:
    > 
    > > Dear friends 
    > > 
    > > I am back from my vacation absence.
    > > 
    > > I have read the latest version of the mult. paper.
    > > 
    > > I like what I see and would urge submittal ASAP to PLB. I suppose that
    > > the length requirements have been checked.
    > > 
    > > A.
    > > A few comments of small importance:
    > > p. 4, para 2: The quoted pseudo... -> THis pseudorapidity coverage
    > > reflects the geometrical coverage of the array and the extended range
    > > ...
    > > 
    > > p 6 para 3 l-6 from bottom: remove; also  ,before 'be located'.
    > > 
    > > p 7 l 1. two background-> summed background
    > > 
    > > p8 l7: is necessary to eliminate -> eliminates
    > > 
    > > p8 l9: Based on HIJING simulations it is estimated that this corresponds
    > > to 95% of the total nuclear cross section.
    > > 
    > > p 9 para 2 l2 : within ... acceptance -> in the range
    > > 
    > > p 11 last para: In summary, the BRAHMS...
    > >      last para l 4 remove 'apparent'
    > > 
    > >                l 8 :  ... behavior is seen for nucleus-nucleus
    > > collisions and is in fact already reached at the lower energy.
    > > 
    > > B.
    > > A more substantial comment: 
    > > 
    > > We are all still bothered by the difference between tiles and Si for the
    > > most peripheral collisions. This difference looks like a TMA additive
    > > offset of 10-15 particles. Thus it only reveals itself for low total
    > > number of particles. 
    > > Does this difference subsist if the centrality selection is made with a
    > > 3rd party detector?
    > > (e.g. the BB?).
    > > In any case if we have no clue as to the reason for this discrepancy and
    > > to a remedy I still propose to show fig. 16 as is, and accept the
    > > difference as a measure of our syst,. error.
    > > 
    > > C.
    > > I thought  we ' pluralis communalis' did not like references to
    > > preprints etc, but only favored fully published papers. I have no
    > > personal problem with such references, but we should not zigzag in our
    > > policy. Leave it now and in the future.
    > > 
    > > Steve suggest to submit the paper by Friday: You certainly have my 
    > > blessing! 
    > > And congratulation collectively for a godd job!
    > > 
    > > cheers
    > > JJ
    > >   
    > > 
    > > ____________________________________________________
    > > JENS JORGEN GAARDHOJE
    > > Assoc. Prof. of Physics, Dr. Scient.
    > > 
    > > Niels Bohr Institute, 
    > > University of Copenhagen
    > > Blegdamsvej 17, 2100 Copenhagen
    > > Denmark.
    > > 
    > > Tlf: (+45) 35 32 53 09 (dir) 
    > >      (+45) 35 32 52 09 (secr)
    > > Fax: (+45) 35 32 50 16
    > > Email: gardhoje @ nbi.dk
    > > Home page: http://alf.nbi.dk/~gardhoje
    > > 
    > > -Chair Ph. D. School of Physics at NBI.F.AFG.
    > >  (secr. Frank Kristensen 35 32 04 41, Ørsted Lab.)
    > > -Member Danish National Commission for UNESCO 
    > >  (secr. Ulla Holm 35 32 52 72, NBI)
    > > ___________________________________________________
    > 
    > 
    > 
    



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