8 research outputs found

    Charge asymmetries for D, DsD_{s} and Λc\Lambda_{c} production in Σ\Sigma^{-} -nucleus interactions at 340 GeV/c

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    CERN experiment WA89 has studied charmed particles produced by a Sigma /sup -/ beam at 340 GeV/c on nuclear targets. Production of particles which have light quarks in common with the beam is compared to production of those which do 9not.ConsiderableproductionasymmetriesbetweenD/sup/andD/sup+/,D/subs//sup/andD/subs//sup+/andLambda/subc/andLambda/subc/areobserved.Theresultsarecomparedwithpionbeamdataandwiththeoretical9 not. Considerable production asymmetries between D/sup -/ and D/sup +/, D/sub s//sup -/ and D/sub s//sup +/ and Lambda /sub c/ and Lambda /sub c/ are observed. The results are compared with pion beam data and with theoretical 9 calculations. (30 refs)

    Biologic Activity of Hydroxylamine: A Review

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    Safety of Bees in Relation to Pest Management

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