213 research outputs found

    POLARIZATION EFFECTS IN CHARGE-EXCHANGE REACTION AT 40 GeV/c

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    Nous présentons des résultats obtenus dans l'étude des réactions π-p → π°n, π-p → ηn, π-p → η'(958)n, π-p → f (1270)n à 40 GeV/c. Nous avons observé quelques nouveaux phénomènes dans le comportement de ces réactions.The results on measuring the asymmetries in the reactions π-p → π°n, π-p → ηn, π-p → η'(958)n, π-p → f (1270)n at 40 GeV/c are presented. Some new phenomena have been discovered in the asymmetry behaviour in these reactions

    Non-identical particle correlation analysis as a probe of transverse flow

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    Results from the STAR Experiment

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    Widths of the balance function for charged kaon pairs from Au+Au at sNN\sqrt{s_{NN}} = 200 GeV at RHIC

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    dˉ\bar d and 3^3He production in sNN\sqrt{s_{NN}} = 130 GeV Au + Au collisions

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    The first measurements of light antinucleus production in Au+Au collisions at RHIC are reported. The observed production rates for antideuterons and antihelions are much larger than in lower energy nucleus-nucleus collisions. A coalescence model analysis of the yields indicates that there is little or no increase in the antinucleon freeze-out volume compared to collisions at SPS energy. These analyses also indicate that the antihelion freeze-out volume is smaller than the antideuteron freeze-out volume

    Erratum: Midrapidity Antiproton-to-Proton Ratio from Au + Au Collisions at sNN\sqrt{s_{NN}} = 130 GeV [Phys.Rev.Lett.86,4778(2001)]

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    Charged and neutral kaon correlations in Au-Au collisions at sNN\sqrt{s_{NN}} = 200 GeV using the solenoidal tracker at RHIC (STAR)

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    dˉ\bar d and 3^3He production in sNN\sqrt{s_{NN}} = 130 GeV Au + Au collisions

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    The first measurements of light antinucleus production in Au+Au collisions at RHIC are reported. The observed production rates for antideuterons and antihelions are much larger than in lower energy nucleus-nucleus collisions. A coalescence model analysis of the yields indicates that there is little or no increase in the antinucleon freeze-out volume compared to collisions at SPS energy. These analyses also indicate that the antihelion freeze-out volume is smaller than the antideuteron freeze-out volume

    ρ(770)0\rho(770)^0, K(892)0^{\star}(892)^0 and f0_0(980) Production in Au-Au and pp collisions at sNN\sqrt{s_{NN}} = 200 GeV

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    Midrapidity Antiproton-to-Proton Ratio from Au + Au Collisions at SNN\sqrt{S_{NN}} = 130 GeV

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