TY - JOUR AU - Kamiński, Robert AU - Garcia-Martin, R. AU - Grynkiewicz, P. AU - Peláez Sagredo, José Ramón AU - Yndurain, F.J. PY - 2009 DO - 10.1142/S0217751X09043730 SN - 0217-751X UR - https://hdl.handle.net/20.500.14352/44850 T2 - International journal of modern physics A AB - We present a set of once subtracted dispersion relations which implement crossing symmetry conditions for the ππ scattering amplitudes below 1 GeV. We compare and discuss the results obtained for the once and twice subtracted dispersion relations,... LA - eng M2 - 402 PB - World scientific publ co pte LTD KW - Equation KW - Pion-pion amplitudes KW - Roy's equations TI - New dispersion relations in the description of π π scattering amplitudes TY - journal article VL - 24 ER -