A determination of strange quark suppression in hadronic vacuum

Malhotra, P. K. ; Orava, R. (1983) A determination of strange quark suppression in hadronic vacuum Zeitschrift fur Physik C Particles and Fields, 17 (1). pp. 85-93. ISSN 0170-9739

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Official URL: http://www.springerlink.com/content/x9293518472n18...

Related URL: http://dx.doi.org/10.1007/BF01577823


We have analysed experimental data on (i)e+ e annihilation to hadrons, (ii) leptoproduction, (iii) hadron-hadron interactions, and (iv) heavy particle decays to determine SU(3) symmetry violation, i.e. the suppression factor (λ) for strange quark-antiquark pairs relative to uu̅ and dd̅ pairs in the hadronic vacuum. Inclusive particle ratios, i.e. K/π ratios at large x and ratios between the inclusive production rates of relevant resonances, yield similar values for λ, the weighted mean being <λ>=0.29±0.02. No significant energy dependence of λ is observed. We also find that the average net electric charge measurements for lepton produced quark jets are consistent with the above value of λ.

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