Strangeness production in jets from p+p \sqrt{s} = 200 GeV collisions

Details Strangeness production in jets from p+p \sqrt{s} = 200 GeV collisions Strangeness production in jets from p+p \sqrt{s} = 200 GeV collisions

2010-07-17

arxiv.org/abs/1007.2962v1

2010 J. Phys.: Conf. Ser. 230 012011

Physics

Nuclear Physics

Nuclear Experiment

5 pages, 4 figures, Winter Workshop on Nuclear Dynamics 2010, Jamaica

Scientific paper

Measurements of strangeness production in jets help illuminate the QCD mechanisms in fragmentation. Furthermore, they provide a crucial baseline for heavy-ion studies where modifications in jet chemistry have recently been predicted. We present new results on strange particle production in jets from p+p \sqrt{s} = 200 GeV collisions measured by the STAR experiment. The momentum distributions of the \Lambda, \bar{\Lambda} and K0Short particles are obtained using various jet finding algorithms, and then compared to various models. Strange particle ratios in jets are obtained and compared to values obtained from the inclusive spectra. Finally, we show jets tagged with leading strange baryons and mesons, in order to investigate whether gluon or quark jets can be isolated in this way.

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