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Multiparticle azimuthal correlations of negative pions in nucleus-nucleus collisions

机译:核-核碰撞中负离子的多粒子方位角相关性

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摘要

Multiparticle azimuthal correlations of π ~- mesons have been studied in dC, HeC, CC, CNe, MgMg, (d, He)Ta, CCu, CTa, and OPb collisions at momentum of 4.2, 4.5 GeV/c per nucleon within the standard transverse momentum analysis method of P. Danielewicz and G. Odyniec. The data were obtained by SKM-200-GIBS and Propane Bubble Chamber Collaborations of JINR. The axis has been selected in the phase space and with respect to this axis π - meson correlations were observed. The values of the coefficient of the correlations linearly depend on the mass numbers of projectile (A _P) and target (A _T) nuclei. The Quark-Gluon String Model satisfactorily describes the experimental results.
机译:在标准中,在dC,HeC,CC,Cne,MgMg,(d,He)Ta,CCu,CTa和OPb碰撞的动量为4.2、4.5 GeV / c的条件下,已经研究了π〜-介子的多粒子方位相关性。 P. Danielewicz和G. Odyniec的横向动量分析方法。数据是通过SKM-200-GIBS和JINR的丙烷气泡室协作获得的。已经在相空间中选择了轴,并且相对于该轴π-介子相关性被观察到。相关系数的值线性地取决于射弹(A _P)和目标(A _T)原子核的质量数。 Quark-Gluon弦模型令人满意地描述了实验结果。

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