Speaker
Description
Experimental data on the interaction between vector mesons and nucleons are a crucial input for understanding the pattern of in-medium chiral symmetry restoration (CSR) and the dynamically generated excited N($\Delta$) states. However, accessing these interactions is hampered by the short-lived nature of vector mesons, making conventional scattering experiments unfeasible. Leveraging the excellent PID capabilities of the ALICE experiment, coupled with the copious production of $\rho^{0}$p pairs at the LHC in small colliding systems, ALICE presents the first-ever measurement of the momentum correlation function between $\rho^{0}$ and p. This measurement provides an unprecedented opportunity to study the nature of the excited N($\Delta$), in particular N(1700) and N(1900), and possibly find out whether these states are molecular in nature, as well as shed light on possible signatures of CSR at LHC energies.
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