[Brahms-l] Fw: New STAR Paper on Forward Lambda Production

From: Flemming Videbaek <videbaek_at_bnl.gov>
Date: Mon, 21 May 2007 18:37:46 -0400
FYI
Subject: New STAR Paper on Forward Lambda Production


> Dear Peter, Barbara, Flemming, and Wit:
>
> It is my pleasure to announce STAR's intention to submit the
> following paper to Phys. Rev. C  in one week's time:
>
> "Forward Lambda Production and Nuclear Stopping Power in d+Au Collisions at sqrt(s_{NN}) = 200 GeV"
>
> The abstract is enclosed.
>
>                       Sincerely,
>
>                       Tim Hallman
>
> The abstract is
>
> We report the measurement of $\Lambda$ and anti-$\Lambda$ yields and inverse slope parameters in
> d + Au collisions at ?sNN = 200 GeV at forward and backward rapidities (y = ± 2.75), using data from
> the STAR forward time projection chambers. The contributions of different processes to baryon transport
> and particle production are probed exploiting the inherent asymmetry of the d + Au system. Comparisons
> to model calculations show that the baryon transport on the deuteron side is consistent with
> multiple collisions of the deuteron nucleons with gold participants. On the gold side HIJING based
> models do not describe the measured particle yields while models with initial state nuclear effects
> and/or hadronic rescattering do. The Multi-Chain Model can provide a good description of the net
> baryon density in d + Au collisions at RHIC, and the derived parameters of the model agree with
> those from nuclear collisions at lower energies.
> 

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Received on Mon May 21 2007 - 18:38:46 EDT

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