Effects of odderon spin on helicity amplitudes in pp elastic scattering Prin Sawasdipol, Jingle B. Magallanes, Chakrit Pongkitivanichkul and Daris Samart Eur. Phys. J. C, 83 10 (2023) 953 Published online: 24 October 2023 DOI: 10.1140/epjc/s10052-023-12100-x