[Brahms-l] Default HIJING parameter (Re: Minutes of BRAHMS meeting)

Hi,

Just following up...
The default setting for HIJING includes single diffractive reactions.
(default event option for IHPR2(13) is set to 1  not  0)

JH


Michael Murray wrote:

>         Minutes of BRAHMS analysis meeting 26 January 2007
>         ==================================================
>                                                Michael Murray
>
>Present JJ, Flemming, Ramero, Pawel, Dieter, Steve, Selemon, Dipali  
>and Michael, Chris
>
>http://indico.cern.ch/conferenceDisplay.py?confId=11693
>09:30 	rich vs tof pid (20') Pawel Staszel
>09:50 	net-proton yields study (20') 	Hongyan Yang (UiB)
>comparisons
>
>
>Action Items:
>Please read Hongyan's draft for wording, Figures are fine so we can  
>send in next week.
>
>1) Pavel will work on electron contamination and on a fair  
>comparisons of pion yields identified via rich and TOF2.
>
>2) Hongyan will work on the wording of her proceedings.
>
>3) Kris will present his net protons next week.
>
>4) QM poster people will start to show what they want to show next week.
>
>
>Next meeting 9.30am BNL time Friday 2nd February.
>Pawel will give a detailed description of his analysis and we should  
>have a first look at Quark matter poster contributions.
>
>
>
>
>Muons and electrons in p+p @62GeV  P. Staszel
>=============================================
>
>For setting 4B608 p vs Rich radius show e, mu, pi, and k
>He then makes slices in p and deduces yields of each slice.
>Up to momentum ~4GeV one can separate pions and muons. The peaks  
>merger around 5GeV.
>FV most of the muons come from pion decay so we have included these  
>muons pion yield.
>
>He has compared yield of pions from TOF and RICH. At the moment there  
>is a descrepency but he needs to include a cut requiring a CC vertex  
>on the RICH results.
>We expect that the CC vertex requirement should not have a momentum  
>dependence. When comparing TOF to RICH we need to compare the same  
>fiducial acceptance.
>
>He worries about the distribution of tracks identified by TOF2 vs x  
>in H2. There seem to be peaks in this distribution.
>Flemming suggests that this is tracks hitting the corners of the  
>slats that fire the trigger but do not satisfy the software cuts.
>
>He is going to look into electron contamination on the pion signal.
>
>Net-proton study, Hongyan Yang
>==============================
>
>She has looked at Phenix and Star proton spectra to see which
>fit function, exponential or Boltzman,  to use. Since they don't have  
>lot pt coverage several functions work. Using HiGing she finds  
>Boltzman does better at low Pt but exponential in Pt does better at  
>high Pt.
>For QM proceeding Hongyan will show the range on dN/dy implied by the  
>two different functions.
>
>JJ low Pt looks like Boltzman, high Pt looks exponential.
>FV: Are the Pythia plots non single diffractive or not.
>They should be normalized to the total in-elastic cross section.  
>Hongyan should also check this for Hijing B.
>JJ thinks that the default for Hijing B is to include non-single  
>diffractive events.
>
>Note we have not corrected our data for lambda decay. By default weak  
>decay is turned on in the models.
>
>
>Chris is also working on net protons and thinks that he can have a  
>comment by next week.
>
>Any other buisness
>==================
>Flemming would like that each week someone give a detailed  
>presentation of their analysis. QM will also publish posters.
>All for posters should show what they want to publish their posters.
>
>
>_______________________________________________
>Brahms-l mailing list
>Brahms-l_at_lists.bnl.gov
>http://lists.bnl.gov/mailman/listinfo/brahms-l
>  
>


_______________________________________________
Brahms-l mailing list
Brahms-l_at_lists.bnl.gov
http://lists.bnl.gov/mailman/listinfo/brahms-l