FYI I send the announchment iof a new Phenix paper. Fl;emming Subject: Announcement of new PHENIX PRL submission > Dear Colleagues: > > I am very pleased to announce that on Wednesday, September 5th, PHENIX > will submit a manuscript to Physical Review Letters titled > > Suppression of Hadrons with Large Transverse Momentum > in Central Au+Au Collisions at $\sqrt{s_{_{NN}}}$~=~130~GeV > > (the abstract is enclosed below). > > The results are very similar to those presented at QM01 in January of > this year. A new analysis of the pi0 yield as measured in our PbGl > calorimeter is now available; the spectrum agrees well with that > from the PbSc calorimeter. Both results are reported in the letter, > along with data for charged tracks. We have also improved our > understanding of the systematic errors in these measurements since > the preliminary data were first presented. > > Because the analysis has been extended in this fashion, we feel that > it would be appropriate to schedule a seminar, to be presented > by BNL's Saskia Mioduszewski. The only date that appears to be > available before submission is Friday, August 31st. We will > let you know as soon as this has been formally scheduled. > > I will be in Erice from tomorrow, the 29th until Sep. 2nd. As a result, > I will not be available to answer any questions you might have regarding > this, hence the CC's the Deputy Spokesperson, Glenn Young. I have also > CC-ed Sam Aronson and Brant Johnson as the local BNL contacts. > > Best regards, > > Bill > > P.S. Nevis is currently having e-mail problems, but my system manager > assures me this message will be sent when contact to BNL is restored. > > ============================================================================ > > > \title{Suppression of Hadrons with Large Transverse Momentum > in Central Au+Au Collisions at $\sqrt{s_{_{NN}}}$~=~130~GeV } > > \begin{abstract} > Transverse momentum spectra for charged hadrons and for > neutral pions in the range 1~GeV/c~$< p_T <$~5~GeV/c have > been measured by the PHENIX experiment at RHIC in Au+Au > collisions at $\sqrt{s_{_{NN}}}=130$~GeV. At high $p_T$ > the spectra from peripheral nuclear collisions are consistent > with the naive expectation of scaling the spectra from p+p > collisions by the average number of binary nucleon- > nucleon collisions. The spectra from central collisions > are significantly suppressed when compared to the binary- > scaled p+p expectation, and also when compared to similarly > binary-scaled peripheral collisions, indicating a novel > nuclear effect in central nuclear collisions at RHIC energies. > \end{abstract} > >
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