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Recently, the construction of ^+e^- and ^+^+ colliders, TRISTAN, at KEK has been proposed. We argue that the construction of a similar ^+ ring tangential to LHC/Tevatron/FCC/SppC will give an opportunity to realize ^+p and ^+A collisions at multi-TeV scale center-of-mass energies. In this paper the main parameters of proposed colliders have been studied. It is shown that sufficiently high luminosities can be achieved for all proposals under consideration: L exceeds 10^{33 cm^-2s^-1} for ^+p colliders and 10^{30 cm^-2s^-1} for ^+A colliders. Certainly, proposed colliders will provide huge potential for both SM (especially QCD basics) and BSM physics searches.
Aktürk et al. (Tue,) studied this question.