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BFKL Evolution as a Communicator Between Small and Large Energy Scales

机译:BFKL作为小型和大型能源规模之间的沟通者而发展

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摘要

We analyze, in leading and next to leading order of BFKL, a possible influence of Beyond the Standard Model (BSM) effects on the structure of the discrete pomeron states. We show that the eigenvalues of the states which contribute significantly to the gluon density in the observable region are substantially modified by BSM effects irrespective of the assumptions about the infrared boundary conditions. We also develop a physically motivated heuristic model of the infrared boundary condition which determines the gluon structure function and argue, using this model, that the analysis of the present and future low-$x$ data could allow the detection of a supersymmetry scale in the multi-TeV range. arXiv Springer We analyze, in leading and next to leading order of the BFKL equation, the effects of the quantization of the singularities of the j-plane, t-channel partial waves due to the imposition of appropriate infrared and ultraviolet boundary conditions. We show that the intercepts, ω( )n( ) of the Regge poles, which contribute significantly to the gluon density in the kinematic region measured at HERA and which can be calculated in QCD and in a supersymmetric extension of QCD, are substantially modified by Beyond the Standard Model (BSM) effects. We also develop a physically motivated heuristic model for the infrared boundary condition and apply it to the gluon density. We argue that, using this type of model, the analysis of present and future low-x data could allow one to detect supersymmetry at a high energy scale.
机译:我们以BFKL的领先顺序和接近领先的顺序分析了超越标准模型(BSM)效应对离散波美隆状态结构的可能影响。我们表明,无论是关于红外边界条件的假设如何,对可观察区域中的胶子密度有重大贡献的状态的特征值都被BSM效应大大地改变了。我们还开发了红外边界条件的物理启发式模型,该模型确定了胶子结构函数,并认为使用此模型,对当前和未来的低$ x $数据进行分析可以检测到超对称尺度。多TeV范围。 arXiv Springer我们按BFKL方程的前导顺序和前导顺序分析由于施加适当的红外和紫外线边界条件而引起的j平面,t通道分波奇异性量化的影响。我们显示,Regge极的截距ω()n()对在HERA测得的运动区域中的胶子密度有显着贡献,并且可以在QCD和QCD的超对称扩展中进行计算,这些截距通过超越标准模型(BSM)效果。我们还为红外边界条件开发了一种物理启发式启发式模型,并将其应用于胶子密度。我们认为,使用这种类型的模型,对当前和将来的低x数据进行分析可以使人们在高能级上检测超对称性。

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