H1prelim-08-035

Strangeness production at high Q2 at HERA II

Reference preliminary expected for summer 2008,
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Abstract The production of K0s mesons and Lambda baryons is studied at high Q2, using DIS events recorded with the H1 Detector. Using the full HERA-II statistics, the production cross sections of both Lambda and K0s are presented, differentially as a function of several kinematical variables. Moreover, the K0s production rate is compared to the equivalent charged particles in a similar phase space. In addition, the Lambda - Anti-Lambda asymmetry is measured. The H1 data are compared to theoretical predictions, based on leading order Monte Carlo programs with matched parton showers.
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