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首页> 外文期刊>Physics of atomic nuclei >Investigation of Neutral-Kaon Production in pС, pSi and pPb Collisions at 70 GeV/c
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Investigation of Neutral-Kaon Production in pС, pSi and pPb Collisions at 70 GeV/c

机译:在70 GeV / c的pС,pSi和pPb碰撞中产生中性钾的研究

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摘要

The results obtained by measuring the inclusive distributions of the Feynman variable x_F and the transversemomentum for the production ofK_S~0 mesons in proton–nucleus interactions at 70 GeV/c for three targets (C, Si, and Pb) are presented. The mass-number (A) dependence of the cross section forK_S~0-meson production is studied. The measured value of the exponent α in the formula σ ~ A~α agrees within the errors with its counterpart at higher energies. With the aid of the A dependence, the measured yield of KS_~0 mesons at x_F = 0 is compared with the yield of K~+ and K~? mesons in the proton–proton reaction at 70 GeV/c. The inclusive spectra of longitudinal and transverse variables for K_S~0-meson production are contrasted against the predictions of the FRITIOF and UrQMD models.
机译:给出了通过测量FeGeman变量x_F和横向动量在70 GeV / c的三个目标(C,Si和Pb)的质子-核相互作用中产生K_S〜0介子的包含分布而获得的结果。研究了K_S〜0介子生产截面的质量数(A)依赖性。公式σ〜A〜α中的指数α的测量值与较高能量下的对应值在误差范围内。借助于A依赖性,将在x_F = 0时测得的KS_〜0介子的屈服与K〜+和K〜?的屈服进行比较。 70 GeV / c的质子-质子反应中的介子。将K_S〜0介子产生的纵向和横向变量的包含谱与FRITIOF和UrQMD模型的预测进行对比。

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