The Momentum-Kick Model can fit the near-side ridge in high-multiplicity pp collisions at 13 and 7 TeV, with multiplicity-dependent parameters and a speculative 14 TeV prediction.
Recent high-pt results from STAR
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abstract
We present selected recent results of multi-hadron correlation measurements in azimuth and pseudorapidity at intermediate and high \pt{} in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV, from the STAR experiment at RHIC. At intermediate \pt, measurements are presented that attempt to determine the origin of the associated near-side (small \dphi) yield at large pseudo-rapidity difference \deta{} that is found to be present in heavy ion collisions. In addition, results are reported on new multi-hadron correlation measures at high-\pt{} that use di-hadron triggers and multi-hadron cluster triggers with the goal to constrain the underlying jet kinematics better than in the existing measurements of inclusive spectra and di-hadron correlations.
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Analysis of the near-side ridge structure in pp collisions via Momentum-Kick Model
The Momentum-Kick Model can fit the near-side ridge in high-multiplicity pp collisions at 13 and 7 TeV, with multiplicity-dependent parameters and a speculative 14 TeV prediction.