Phenomenological analysis connecting proton–proton and antiproton–proton elastic scattering R.F. Ávila, S.D. Campos, M.J. Menon and J. Montanha Eur. Phys. J. C, 47 1 (2006) 171-186 Published online: 19 April 2006 DOI: 10.1140/epjc/s2006-02530-x