3 years ago

On the multi-particle azimuthal anglular correlations in $pA$ collisions.

Cheng Zhang, Manyika Kabuswa Davy, Yu Shi, Enke Wang

In the Color Glass Condensate formalism, we evaluate the 3-dipole correlator up to the $\frac{1}{N_c^4}$ order with $N_c$ being the number of colors, and compute the azimuthal cumulant $c_{123}$ for 3-particle productions. In addition, we discuss the patterns appearing in the $n$-dipole formula in terms of $\frac{1}{N_c}$ expansions. This allows us to conjecture the $N_c$ scaling of $c_n\{m\}$, which is crosschecked by our calculation of $c_2\{4\}$ in the dilute limit.

Publisher URL: http://arxiv.org/abs/1901.01778

DOI: arXiv:1901.01778v2

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