NA61/SHINE requests ESPP support to continue SPS hadron production measurements in 2029-2032, motivated by an apparent violation of isospin symmetry in Ar+Sc collisions, first-time charm-anticharm correlation studies, and precision needs of neutrino and cosmic-ray physics.
Pion and kaon production in central Pb+Pb collisions at 20A and 30A GeV: Evidence for the onset of deconfinement
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abstract
Results on charged pion and kaon production in central Pb+Pb collisions at 20A and 30A GeV are presented and compared to data at lower and higher energies. A rapid change of the energy dependence is observed around 30A GeV for the yields of pions and kaons as well as for the shape of the transverse mass spectra. The change is compatible with the prediction that the threshold for production of a state of deconfined matter at the early stage of the collisions is located at low SPS energies.
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Proposal from the NA61/SHINE Collaboration for update of European Strategy for Particle Physics
NA61/SHINE requests ESPP support to continue SPS hadron production measurements in 2029-2032, motivated by an apparent violation of isospin symmetry in Ar+Sc collisions, first-time charm-anticharm correlation studies, and precision needs of neutrino and cosmic-ray physics.