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High statistics data sets from experiments at the Relativistic Heavy IonCollider (RHIC) and the Large Hadron Collider (LHC) with small and largecollision species have enabled a wealth of new flow measurements, including theevent-by-event correlation between observables. One exciting such observable$\rho(v^{2}_{n},[p_{T}])$ gauges the correlation between the mean transversemomentum of particles in an event and the various flow coefficients ($v_n$) inthe same event [1]. Recently it has been proposed that very low multiplicityevents may be sensitive to initial-state glasma correlations [2] rather thanflow-related dynamics. We find utilizing the IP-JAZMA framework that the colordomain explanation for the glasma results are incomplete. We then explorepredictions from PYTHIA-8, and the version for including nuclear collisionscalled PYTHIA-ANGANTYR, which have only non-flow correlations and the AMPTmodel which has both non-flow and flow-type correlations. We find thatPYTHIA-ANGANTYR has non-flow contributions to $\rho(v^{2}_{n},[p_{T}])$ in p+O,p+Pb, O+O collisions that are positive at low multiplicity and comparable tothe glasma correlations. It is striking that in PYTHIA-8 in p+p collisionsthere is actually a sign-change from positive to negative$\rho(v^{2}_{n},[p_{T}])$ as a function of multiplicity. The AMPT results matchthe experimental data general trends in Pb+Pb collisions at the LHC, except atlow multiplicity where AMPT has the opposite sign. In p+Pb collisions, AMPT hasthe opposite sign from experimental data and we explore this within the contextof parton geometry. Predictions for p+O, O+O, and Xe+Xe are also presented.

Exploring Origins for Correlations between Flow Harmonics and Transverse Momentum in Small Collision Systems (Unambiguous Ambiguity)