PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Heavy Ions
Dihadron correlations in pp and pPb collisions with LHCb
J. Bhom*  on behalf of the LHCb collaboration
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Published on: August 02, 2019
Small systems such as p+Nucleus and pp collisions were assumed to be free from the effects of hot nuclear matter unlike the heavy ion collisions. Recently long-range (large rapidity gap) near-side (same azimuthal angle) dihadron correlations, revealing azimuthal anisotropies in the event shape have been seen, challenging this assumption. This phenomenon is known as the ridge structure. The ridge in a small system have been understood to be a result from the collective behaviour of emitted particles in the collisions, which can be described by hydrodynamic models. This talk presented the recent results of two particle angular correlation in the LHCb experiment at LHC using pPb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV and pp collisions at $\sqrt{s}$ = 13 TeV.
DOI: https://doi.org/10.22323/1.340.0600
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