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Fluctuations, Saturation, and Diffractive Excitation in High Energy Collisions

机译:高能量碰撞中的波动,饱和度和衍射激励

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Diffractive excitation is usually described by the Good-Walker formalism for low masses, and by the triple-Regge formalism for high masses. In the Good-Walker formalism the cross section is determined by the fluctuations in the interaction. By taking the fluctuations in the BFKL ladder into account, it is possible to describe both low and high mass excitation in the Good-Walker formalism. In high energy pp collisions the fluctuations are strongly suppressed by saturation, which implies that pomeron exchange does not factorise between DIS and pp collisions. The Dipole Cascade Model reproduces the expected triple-Regge form for the bare pomeron, and the triple-pomeron coupling is estimated.
机译:衍射激励通常由低质量的良好步行者形式主义描述,以及高群众的三个调节形式主义。在良好的助行器形式中,横截面由相互作用的波动决定。通过将BFKL梯子中的波动考虑在内,可以在良好的助行器形式主义中描述低质量和高度质量刺激。在高能量PP碰撞中,饱和度强烈抑制波动,这意味着Pomeron交换不在DIS和PP碰撞之间构建。偶极级联模型再现裸晃动的预期三级调节形式,估计三重波美耦合。

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