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arXiv 0906.2636hep-ex
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D0上的光子+喷流

Photon + jets at D0

Lars Sonnenschein

摘要:

在费米实验室Tevatron对撞机运行II的D 0实验中,研究了质量中心能量为sqrt{s}= 1.96TeV的光子加喷流的产生。测量了光子加三喷注事件中的包含光子、包含光子加喷注、光子加重味喷注截面和双部分子相互作用。它们基于0.4 fb$^-1和1.0 fb^-1之间的积分亮度。结果进行了比较微扰QCD计算在各种近似。

英文摘要:

Photon plus jet production has been studied by the D0 experiment in Run II of the Fermilab Tevatron Collider at a centre of mass energy of sqrt{s}=1.96 TeV. Measurements of the inclusive photon, inclusive photon plus jet, photon plus heavy flavour jet cross sections and double parton interactions in photon plus three jet events are presented. They are based on integrated luminosities between 0.4 fb$^-1 and 1.0 fb^-1. The results are compared to perturbative QCD calculations in various approximations.

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