LHC的CMS脊效应作为夸克-反夸克弦形成引起胶子制动的一种表现
CMS ridge effect at LHC as a manifestation of bremstralung of gluons due to the quark-anti-quark string formation
摘要：
最近报道的LHC的长程近侧角关联效应发生在具有$1\,GeV\,<p_T\,<\,3\,GeV$的粒子的大多重数。为了理解这种影响，讨论了几种可能性。在这封信中，我们提出了一个简单的定性机制，它对应于夸克的胶子Bremstralung运动的加速度适当的夸克-反夸克弦。在$p_T$的该间隔中，方位角差$Δϕ$的小以及在大多重数处的大$Δη$在该机制中是自然的。该机制还预测了具有平均值$p_T \approx 2.9$和$0.72\,GeV$的Bremstralung光子。
英文摘要：
The recently reported effect of long-range near-side angular correlations at LHC occurs for large multiplicities of particles with $1\,GeV\,<p_T\,<\,3\,GeV$. To understand the effect several possibilities have been discussed. In the letter we propose a simple qualitative mechanism which corresponds to gluon bremstralung of quarks moving with acceleration appropriate to the quark--anti-quark string. The smallness of azimuthal angle difference $Δϕ$ along with large $Δη$ at large multiplicities in this interval of $p_T$ are natural in the mechanism. The mechanism predicts also bremstralung photons with mean values of $p_T \approx 2.9$ and $0.72\,GeV$.
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