The zero-energy universal properties of scattering between a particle and adimer that involves an identical particle are investigated for arbitraryscattering angular momenta. For this purpose, we derive an integral equationthat generalises the Skorniakov - Ter-Martirosian equation to the case ofnon-zero angular momentum. As the mass ratio between the particles is varied,we find various scattering resonances that can be attributed to the appearanceof universal trimers and Efimov trimers at the collisional threshold.
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