TY - JOUR AU - HADES Collaboration (Agakishiev, G. et al AU - Diaz, J. AU - Gil, A. PY - 2010 DA - 2010// TI - In-medium effects on K-0 mesons in relativistic heavy-ion collisions T2 - Phys. Rev. C JO - Physical Review C SP - 044907 EP - 9pp VL - 82 IS - 4 PB - Amer Physical Soc AB - We present the transverse momentum spectra and rapidity distributions of pi(-) and K-S(0) in Ar + KCl reactions at a beam kinetic energy of 1.756 A GeV measured with the High Acceptance Di-Electron Spectrometer (HADES). The reconstructed K-S(0) sample is characterized by good event statistics for a wide range in momentum and rapidity. We compare the experimental pi(-) and K-S(0) distributions to predictions by the Isospin Quantum Molecular Dynamics (IQMD) model. The model calculations show that K-S(0) at low transverse momenta constitute a particularly well-suited tool to investigate the kaon in-medium potential. Our K-S(0) data suggest a strong repulsive in-medium K-0 potential of about 40 MeV strength. SN - 0556-2813 UR - http://arXiv.org/abs/1004.3881 UR - https://doi.org/10.1103/PhysRevC.82.044907 DO - 10.1103/PhysRevC.82.044907 LA - English N1 - ISI:000283648400009 ID - HADESCollaborationAgakishiev_etal2010 ER -