Production of J/{psi}-meson pairs and 4c tetraquark at the LHC
Production of J/{psi}-meson pairs and 4c tetraquark at the LHC
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DOI：
10.1103/physrevd.84.094023
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发表时间：
2011-01
影响因子：
5
通讯作者：
A. Berezhnoy;A. Novoselov;A. K. Likhoded;A. Luchinsky
中科院分区：
文献类型：
--
作者：
A. Berezhnoy;A. Novoselov;A. K. Likhoded;A. Luchinsky
给出了在不同的运动学约束条件下，自由基=7 TeV时pp{yields} 2 J/{psi}+X截面的理论预言.结果进行了比较与第一LHCb数据。特别注意的是一个可能的信号，从新的粒子-四夸克从两个价c-夸克和两个价c-夸克建立。根据我们的估计，在LHCb条件下，很有可能在实验上观察到至少一种这样的状态（张量四夸克态）。
Theoretical predictions for the pp{yields}2J/{psi}+X cross section at {radical}(s)=7 TeV with different kinematical restrictions are presented. Results are compared with the first LHCb data available. Special attention is paid to a possible signal from novel particles--tetraquarks build from two valence c-quarks and two valence c-quarks. According to our estimates, it is quite possible to observe at least one of these states (tensor tetraquark) experimentally under LHCb conditions.