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arXiv 2408.12906hep-ph
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在部分子雷吉化方法中单孤立光子的产生

Production of single isolated photons in the Parton Reggeization Approach

Alexey Chernyshev, Vladimir Saleev

AI总结:

本文在部分子雷吉化方法框架下结合LO和NLO*贡献研究LHC能量下单孤立光子产生,引入减除方案避免重复计算,并将理论计算与实验数据比较。

摘要:

本文在部分子雷吉化方法框架内,考虑LO和NLO*贡献(后者仅含树图阶修正),研究LHC能量下单孤立光子产生过程。雷吉化振幅根据L.N. Lipatov提出的多雷吉运动学过程有效场论形式构建。为避免树图阶修正与非积分部分子分布函数间的重复计算,引入了减除方案。计算结果与实验数据进行了比较。

英文摘要:

In the article, we study the processes of single isolated photon production at the LHC energies in the framework of the Parton Reggeization Approach taking into account LO and NLO* contributions, the last one includes only tree-level corrections. Reggeized amplitudes are constructed according to the effective field theory formalism for multi-Regge kinematics processes suggested by L.N. Lipatov. To avoid the double counting between tree-level corrections and unintegrated parton distribution functions, a subtraction scheme is introduced. The results of calculations are compared with experimental data.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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