Measurement Of Long Range Near Side Two Particle Angular Correlations In Pp Collisions At Sqrts

Measurement of Long-range Near-side Two-particle Angular Correlations in Pp Collisions at $\sqrt{s}$

Our results on two-particle angular correlations for charged particles produced in pp collisions at a center-of-mass energy of 13 TeV are presented. The data were taken with the CMS detector at the LHC and correspond to an integrated luminosity of about 270 nb-1. The correlations are studied over a broad range of pseudorapidity).

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Long-Range Near-Side Angular Correlations in Proton-Proton Interactions in CMS.

The CMS Collaboration Results on two-particle angular correlations for charged particles emitted in proton-proton collisions at center of mass energies of 0.9, 2.36 and 7TeV over a broad range of pseudorapidity and azimuthal angle (f) are presented using data collected with the CMS detector at the LHC. Short-range correlations in??, which are studied in minimum bias events, are characterized using a simple independent cluster parameterization in order to quantify their strength (cluster size) and their extent in? (cluster decay width). Long-range azimuthal correlations are studied more differentially as a function of charged particle multiplicity and particle transverse momentum using a 980nb-1 data set at 7TeV. In high multiplicity events, a pronounced structure emerges in the two-dimensional correlation function for particles in intermediate pT's of 1-3GeV/c, 2.0>