[Brahms-l] Fw: New STAR Paper on Enhanced Strange Baryon Production

FYI

To: "Peter Bond" <bond1_at_bnl.gov>; "jacak, barbara" <jacak_at_skipper.physics.sunysb.edu>; "Videbaek, Flemming" <videbaek_at_bnl.gov>; 
"Busza, Wit" <busza_at_mit.edu>
Sent: Tuesday, May 01, 2007 5:59 PM
Subject: New STAR Paper on Enhanced Strange Baryon Production


> Dear Peter, Barbara, Flemming, and Wit:
>
> It is my pleasure to announce STAR's intention to submit the
> following paper to Phys. Rev. Letters  in one week's time:
>
> "Enhanced strange baryon production in Au+Au collisions
> compared to p+p at sqrt(s_NN)=200 GeV "
>
> The abstract is enclosed.
>
>                       Sincerely,
>
>                       Tim Hallman
>
> _Abstract_
>
> We report on the observed differences in production rates of strange
> and multi-strange baryons in Au+Au collisions at sqrt(s_NN)= 200 GeV
> compared to p+p interactions at the same energy. The yields in Au+Au
> collisions, when scaled by the number of participants, are larger than
> those measured in the p+p data. The magnitudes of the differences
> grow with the strangeness of the baryon and with increasing centrality.
> The enhancements of the Au+Au yields are close to those measured
> in sqrt(s_NN) =17.3 GeV collisions. Further, when the binary scaled
> p+p p_T spectra are compared to those of Au+Au the heavy-ion
> yields exceed binary scaling in the p_T range 1 < pT < 4 GeV/c.
> 

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