Hadron-argon cross-section measurements at ProtoDUNE (status and prospects)

ProtoDUNE at CERN consists of a series of prototype detectors for the future DUNE far detectors using liquid argon time projection chamber technology. Beyond its role in detector R&D, ProtoDUNE is also proposed to measure the hadron-argon cross section with a particle beam implemented with a range of momentum from 300 MeV/c to 7 GeV/c, which is crucial to constrain the neutrino cross-section systematics for DUNE. This talk will present an overview of the current cross-section analyses using the ProtoDUNE-SP detector data, highlighting the 1 GeV/c beam pion/proton inclusive analysis as an example to illustrate the methodology. Furthermore, with the completion of data collection by the ProtoDUNE-HD detector in summer 2024, we will explore the prospects for future hadron-argon cross-section measurements, building on the experience gained from ProtoDUNE-SP.