Abstract

We consider exclusive double diffractive production of polarised axial-vector χ c ( 1 + ) and tensor χ c ( 2 + ) charmonia in proton-(anti)proton collisions at Tevatron energy. The corresponding amplitudes for these processes are derived within the k t -factorisation approach. Contributions from different polarisation states of axial-vector and tensor charmonia are quantified. Corresponding experimental consequences are discussed.

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