Measurement of the sensitivity of two particle correlations in $pp$ collisions at 13 TeV to the presence of jets with the ATLAS detector

Measurements of two-particle correlations in $pp$ collisions show the presence of long-range correlations along $\Delta\eta$ that are strikingly similar to those seen in heavy-ion collisions. In heavy-ion collisions, the long-range correlations are known to arise from the collective dynamics of the produced quark-gluon plasma (QGP). The similarity between the $pp$ and heavy-ion measurements raises the possibility that a tiny droplet of the QGP is produced even in $pp$ collisions. However, models that attribute the correlation in $pp$ collisions to semi-hard processes can qualitatively reproduce the measurements. Thus performing the $pp$ measurements with an active rejection of particles associated with semi-hard processes, such as low-$p_{\mathrm{T}}$ jets, can further elucidate the origin of the long-range correlations. This talk presents measurements of two-particle correlations in $pp$ collisions at $\sqrt{s}=13$ TeV when removing tracks associated with jets from the event. It is demonstrated that such removal of particles in the vicinity of jets affects the magnitude of long-range correlations only by a few percent.