2.76 TeV大型强子对撞机Dijet生产中渐近QCD效应的表现

IF 0.4 Q4 PHYSICS, PARTICLES & FIELDS

Physics of Particles and Nuclei Letters Pub Date : 2025-04-23 DOI:10.1134/S1547477124702145

A. Yu. Egorov, V. T. Kim

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引用次数: 0

摘要

通过比较Meueller-Navelet (MN) dijet产生横截面计算和最近在大型强子对撞机2.76 TeV的CMS测量结果，获得了Balitsky-Fadin-Kuraev-Lipatov （BFKL）演化效应占主导地位的新证据。在这里，MN双射流是最大程度上分离的射流对，在一个事件中，两个射流在横向动量大于某个选定\({{p}_{{ \bot \min }}}\)的射流之间。与大角度散射的gribov - lipatov - altarelli - parisii - dokshitzer （GLAPD）演化不同，小角度散射的BFKL演化是QCD的主要高能渐近机制。

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Manifestation of Asymptotic QCD Effects in Dijet Production at Large Hadron Collider with 2.76 TeV

New evidence for the dominance of the Balitsky–Fadin–Kuraev–Lipatov (BFKL) evolution effects is obtained by comparison of the calculation of Meueller–Navelet (MN) dijet production cross section in the next-to-leading logarithmic approximation of the BFKL evolution with the recent CMS measurement at the LHC at 2.76 TeV. Here the MN dijet is the maximally separated in rapidity pair of jets with both jets taken among jets with transverse momentum above some chosen \({{p}_{{ \bot \min }}}\) in an event. Unlike the large-angle scattering Gribov–Lipatov–Altarelli–Parisi–Dokshitzer (GLAPD) evolution, the small-angle scattering BFKL evolution for is the dominant high-energy asymptotic regime of QCD.

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来源期刊

Physics of Particles and Nuclei Letters PHYSICS, PARTICLES & FIELDS-

CiteScore

0.80

自引率

20.00%

发文量

108

期刊介绍： The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.