Negatively Charged Strangelet Search using the E864 Spectrometer at the AGS

Details Negatively Charged Strangelet Search using the E864 Spectrometer at the AGS Negatively Charged Strangelet Search using the E864 Spectrometer at the AGS

1998-11-30

arxiv.org/abs/hep-ex/9811049v1

J.Phys.G25:411-416,1999

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, 4 figures; Talk at SQM'98, Padova, Italy (July 20-24, 1998)

Scientific paper

10.1088/0954-3899/25/2/030

We provide a status report on the progress of searching for negatively charged strangelets using the E864 spectrometer at the AGS. About 200 million recorded events representing approximately 14 billion 10% central interactions of Au + Pt at 11.5 GeV/c taken during the 1996-1997 run of the experiment are used in the analysis. No strangelet candidates are seen for charges Z=-1 and Z=-2, corresponding to a 90% confidence level for upper limits of strangelet production of ~1 x 10^{-8} and ~4 x 10^{-9} per central collision respectively. The limits are nearly uniform over a wide range of masses and are valid only for strangelets which are stable or have lifetimes greater than ~50 ns.

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