论文标题
用爱丽丝测量的小型系统中的Quarkonia生产和椭圆流
Quarkonia production and elliptic flow in small systems measured with ALICE
论文作者
论文摘要
夸克尼亚在辐射碰撞中的产生为理解量子染色体动力学（QCD）提供了独特的测试场，因为它涉及该理论的扰动和非扰动制度。鉴于尚未实现令人满意的描述，因此需要提供新的见解，有助于限制模型的新测量。爱丽丝设备允许测量包容性的J/$ψ$生产，并将促使Charmonia与源自B-HADRON衰变的夏鱼分开。发射颗粒的方位角相关性的研究，例如通过测量椭圆流（$ v_2 $），在高质子质子 - 蛋白质（PP）碰撞中可以探测小型系统中的集体行为。在这项贡献中，我们介绍了不同碰撞能量的PP碰撞中包含，及时和非预测的新测量，以及J/$ψ$ $ $ $ v_2 $高的多重PP碰撞，$ \ sqrt {s}} $ = 13 tev。
The production of quarkonia in hadronic collisions provides a unique testing ground for understanding quantum chromodynamics (QCD) since it involves both the perturbative and non-perturbative regimes of this theory. Given that a satisfactory description of quarkonia production has not yet been achieved, new measurements that can provide new insights, helping to constrain models, are needed. The ALICE apparatus allows to measure inclusive J/$ψ$ production, as well as to separate prompt charmonia from those originating from b-hadron decays. The study of the azimuthal correlation of the emitted particles, e.g. via the measurement of the elliptic flow ($v_2$), in high multiplicity proton-proton (pp) collisions can probe collective behaviour in small systems. In this contribution, we present new measurements of the inclusive, prompt and non-prompt J/$ψ$ production in pp collisions at different collision energies, together with the J/$ψ$ $v_2$ in high multiplicity pp collisions at $\sqrt{s}$=13 TeV.
