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首页> 外文期刊>Physics of atomic nuclei >Hadronic Production of Doubly Charmed Baryons and Intrinsic Charm in the Proton
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Hadronic Production of Doubly Charmed Baryons and Intrinsic Charm in the Proton

机译：质子中双迷人重子和内在魅力的强生氢产生

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摘要

The production of baryons involving two charmed quarks (Ξ_(cc)~* or Ξ_(cc)) in hadron interactions at high energies and high transverse momenta is considered. It is assumed that a Ξ_(cc) baryon is formed in the nonperturbative fragmentation of a (cc) diquark produced in the hard partonic process of the scattering of charmed quarks from colliding hadrons: c + c → (cc) + g. It is shown that, upon the inclusion of this mechanism, the cross section for the production of doubly charmed baryons becomes approximately twice as large as that which is expected at the Tevatron and LHC colliders according to the predictions based on the model of gluon-gluon production of a (cc) diquark and obtained in the leading order of perturbative QCD.
机译：考虑了在高能和高横向动量下强子相互作用中涉及两个迷人夸克（Ξ_（cc）〜*或Ξ_（cc））的重子的产生。假定that（cc）重子形成于在强碰撞的强子夸克从强子碰撞散射的硬partonic过程中产生的（cc）双夸克的非扰动破碎中：c + c→（cc）+ g。根据基于胶子-胶子模型的预测，显示出在包含这种机理后，用于产生双重魅力的重子的截面大约是Tevatron和LHC对撞机的预期截面的两倍。 （cc）diquark的生产并以扰动QCD的前导顺序获得。

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