/ nucl-ex arXiv:1404.7011

Medium effects in proton-induced $K^{0}$ production at 3.5 GeV

Agakishiev, G. (Dubna, JINR) ; Arnold, O. (COSM, Hampton) ; Belver, D. (Santiago de Compostela U.) ; Belyaev, A. (Dubna, JINR) ; Berger-Chen, J.C. (COSM, Hampton) ; Blanco, A. (LIP, Coimbra) ; Bohmer, M. (Munich, Tech. U.) ; Boyard, J.L. (Orsay) ; Cabanelas, P. (Santiago de Compostela U.) ; Chernenko, S. (Dubna, JINR) ; Dybczak, A. (Jagiellonian U.) ; Epple, E. (COSM, Hampton) ; Fabbietti, L. (COSM, Hampton) ; Fateev, O. (Dubna, JINR) ; Finocchiaro, P. (INFN, Catania) ; Fonte, P. (Coimbra Inst. Sup. Eng.) ; Friese, J. (Munich, Tech. U.) ; Frohlich, I. (Frankfurt U.) ; Galatyuk, T. (Darmstadt, EMMI) ; Garzon, J.A. (Santiago de Compostela U.) ; Gernhauser, R. (Munich, Tech. U.) ; Gobel, K. (Frankfurt U.) ; Golubeva, M. (Moscow, INR) ; Gonzalez-Diaz, D. (Darmstadt, Tech. Hochsch.) ; Guber, F. (Moscow, INR) ; Gumberidze, M. (Darmstadt, EMMI) ; Heinz, T. (Darmstadt, GSI) ; Hennino, T. (Orsay) ; Holzmann, R. (Darmstadt, GSI) ; Ierusalimov, A. (Dubna, JINR) ; Iori, I. (Milan U.) ; Ivashkin, A. (Moscow, INR) ; Jurkovic, M. (Munich, Tech. U.) ; Kampfer, B. (Dresden, Tech. U.) ; Karavicheva, T. (Moscow, INR) ; Koenig, I. (Darmstadt, GSI) ; Koenig, W. (Darmstadt, GSI) ; Kolb, B.W. (Darmstadt, GSI) ; Korcyl, G. (Jagiellonian U.) ; Kornakov, G. (Darmstadt, Tech. Hochsch.) ; Kotte, R. (Forschungszentrum Dresden Rossendorf) ; Krasa, A. (Rez, Nucl. Phys. Inst.) ; Krizek, F. (Rez, Nucl. Phys. Inst.) ; Krucken, R. (Munich, Tech. U.) ; Kuc, H. (Orsay) ; Kuhn, W. (Giessen U.) ; Kugler, A. (Rez, Nucl. Phys. Inst.) ; Kunz, T. (Munich, Tech. U.) ; Kurepin, A. (Moscow, INR) ; Ladygin, V. (Dubna, JINR) ; Lalik, R. (COSM, Hampton) ; Lapidus, K. (COSM, Hampton) ; Lebedev, A. (Moscow, ITEP) ; Lopes, L. (LIP, Coimbra) ; Lorenz, M. (Frankfurt U.) ; Maier, L. (Munich, Tech. U.) ; Mangiarotti, A. (LIP, Coimbra) ; Markert, J. (Frankfurt U.) ; Metag, V. (Giessen U.) ; Michel, J. (Frankfurt U.) ; Muntz, C. (Frankfurt U.) ; Munzer, R. (COSM, Hampton) ; Naumann, L. (Forschungszentrum Dresden Rossendorf) ; Pachmayer, Y.C. (Frankfurt U.) ; Palka, M. (Jagiellonian U.) ; Parpottas, Y. (UC, Irvine) ; Pechenov, V. (Darmstadt, GSI) ; Pechenova, O. (Frankfurt U.) ; Pietraszko, J. (Darmstadt, GSI) ; Przygoda, W. (Jagiellonian U.) ; Ramstein, B. (Orsay) ; Reshetin, A. (Moscow, INR) ; Rustamov, A. (Frankfurt U.) ; Sadovsky, A. (Moscow, INR) ; Salabura, P. (Jagiellonian U.) ; Schmah, A. (LBL, Berkeley) ; Schwab, E. (Darmstadt, GSI) ; Siebenson, J. (COSM, Hampton) ; Sobolev, Yu. G. (Rez, Nucl. Phys. Inst.) ; Spruck, B. (Giessen U.) ; Strobele, H. (Frankfurt U.) ; Stroth, J. (Darmstadt, GSI) ; Sturm, C. (Darmstadt, GSI) ; Tarantola, A. (Frankfurt U.) ; Teilab, K. (Frankfurt U.) ; Tlusty, P. (Rez, Nucl. Phys. Inst.) ; Traxler, M. (Darmstadt, GSI) ; Tsertos, H. (Cyprus U.) ; Vasiliev, T. (Dubna, JINR) ; Wagner, V. (Rez, Nucl. Phys. Inst.) ; Weber, M. (Munich, Tech. U.) ; Wendisch, C. (Dresden, Tech. U.) ; Wustenfeld, J. (Forschungszentrum Dresden Rossendorf) ; Yurevich, S. (Darmstadt, GSI) ; Zanevsky, Y. (UC, Irvine) ; Gaitanos, T. (U. Giessen, Inst. Theor. Phys.) ; Weil, J. (Frankfurt U., FIAS)

Pages: 13

Abstract: We present the analysis of the inclusive $K^{0}$ production in p+p and p+Nb collisions measured with the HADES detector at a beam kinetic energy of 3.5 GeV. Data are compared to the GiBUU transport model. The data suggest the presence of a repulsive momentum-dependent kaon potential as predicted by the Chiral Perturbation Theory (ChPT). For the kaon at rest and at normal nuclear density, the ChPT potential amounts to $\approx 35$ MeV. A detailed tuning of the kaon production cross sections implemented in the model has been carried out to reproduce the experimental data measured in p+p collisions. The uncertainties in the parameters of the model were examined with respect to the sensitivity of the experimental results from p+Nb collisions to the in-medium kaon potential.

Web-Page: http://inspirehep.net/record/1292844/files/pics_K0_peak_pNb_140114.png; http://inspirehep.net/record/1292844/files/pics_Kp_K0_prod_pp_tot_v4.png; http://inspirehep.net/record/1292844/files/pics_R_pA_pNb_pp_exp_vs_sim_090113.png; http://inspirehep.net/record/1292844/files/pics_chi2_240414.png; http://inspirehep.net/record/1292844/files/pics_dEdx_pNb_pi_cuts_140114_2.png; http://inspirehep.net/record/1292844/files/pics_dN_dy_121113.png; http://inspirehep.net/record/1292844/files/pics_pNb_pt_vs_GiBUU_pot_no_pot_sec_160114.png; http://inspirehep.net/record/1292844/files/pics_p_ratio_pull_240414.png; http://inspirehep.net/record/1292844/files/pics_pot_040314_contour.png; http://inspirehep.net/record/1292844/files/pics_pp_dNdy_gibuu_100213.png; http://inspirehep.net/record/1292844/files/pics_pp_gibuu_tuned_bkymom_exp_new.png; http://inspirehep.net/record/1292844/files/pics_ratio_pNb_290114.png; http://inspirehep.net/record/1292844/files/pics_rpA_Au_Nb_090113.png; http://inspirehep.net/record/1292844/files/pics_rpA_Nb_C_090113.png; http://inspirehep.net/record/1292844/files/arXiv:1404.7011.pdf; http://inspirehep.net/record/1292844/files/pics_dN_dy_121113_G.png; http://inspirehep.net/record/1292844/files/pics_pNb_pt_vs_GiBUU_pot_no_pot_sec_160114_G.png; http://inspirehep.net/record/1292844/files/pics_pp_dNdy_gibuu_100213_G.png; http://inspirehep.net/record/1292844/files/pics_pp_gibuu_tuned_bkymom_exp_new_G.png; http://inspirehep.net/record/1292844/files/pics_ratio_pNb_290114_G.png

Note: *Brief entry*; *Temporary entry*; 13 pages, 14 figures

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