Understanding long-range near-side ridge correlations in p-p collisions using rope hadronization at energies available at the CERN Large Hadron Collider

Chakraborty Pritam; Dash Sadhana

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Understanding long-range near-side ridge correlations in p-p collisions using rope hadronization at energies available at the CERN Large Hadron Collider

机译：了解CERN大型HADRON COLLIDER的能量绳索的P-P碰撞中的远程近侧脊相关性

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The observation of long range ridge-like structure in the near-side region of the two particle Delta eta - Delta phi correlations as measured by CERN Large Hadron Collider experiments in high multiplicity p-p collisions indicated towards the presence of collective effects which are similar to that observed in p-A(nucleon-nucleus) and A-A (nucleus-nucleus) collisions. The two particle correlation between the charged particles in Delta eta - Delta phi for p-p collisions at root s = 7 TeV and 13 TeV is studied using the PYTHIA 8 event generator within the framework of final-state partonic color reconnection effects as well as the microscopic rope hadronization model. The rope hadronization relies on the formation of ropes due to overlapping of strings in high multiplicity events followed by string shoving. A near side ridge-like structure which is qualitatively similar to the observed ridge in data was observed for high-multiplicity events when the mechanism of rope hadronization (with shoving) was enabled.

机译：CERN大型强子对撞机实验在高重数p-p碰撞中测量到的两粒子Delta-eta-Delta-phi关联近侧区域的长程脊状结构表明，存在集体效应，这与在p-A（核子-核）和A-A（核子-核）碰撞中观察到的类似。在终态部分子颜色重联效应和微观绳索强子化模型的框架下，利用Pytia 8事件发生器研究了根s=7 TeV和13 TeV的p-p碰撞中δeta-δphi中带电粒子之间的双粒子关联。绳索强子化依赖于绳索的形成，这是由于在高多重性事件中，绳索重叠，然后是绳索推挤。当绳索强子化机制（带推挤）被启用时，在高多重性事件中观察到了一个近侧脊状结构，该结构在性质上类似于数据中观察到的脊。

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《Physical review, C》 |2020年第5期|共6页
作者
Chakraborty Pritam; Dash Sadhana;
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Indian Inst Technol Mumbai 400076 Maharashtra India;

Indian Inst Technol Mumbai 400076 Maharashtra India;

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正文语种 eng
中图分类原子核物理学、高能物理学;
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Understanding long-range near-side ridge correlations in p-p collisions using rope hadronization at energies available at the CERN Large Hadron Collider

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