Testing B-violating signatures from Exotic Instantons in future colliders

Abstract : We discuss possible implications of exotic stringy instantons for baryon-violating signatures in future colliders. In particular, we discuss high-energy quark collisions and transitions. In principle, the process can be probed by high-luminosity electron-positron colliders. However, we find that an extremely high luminosity is needed in order to provide a (somewhat) stringent bound compared to the current data on NN → ππ,KK. On the other hand, (exotic) instanton-induced six-quark interactions can be tested in near future high-energy colliders beyond LHC, at energies around 20–100 TeV. The Super proton-proton Collider (SppC) would be capable of such measurement given the proposed energy level of 50–90 TeV. Comparison with other channels is made. In particular, we show the compatibility of our model with neutron-antineutron and NN → ππ,KK bounds.
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Submitted on : Thursday, November 23, 2017 - 10:16:48 AM
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Andrea Addazi, Xian-Wei Kang, Maxim Yu. Khlopov. Testing B-violating signatures from Exotic Instantons in future colliders. Chin.Phys.C, 2017, 41 (9), pp.093102. ⟨10.1088/1674-1137/41/9/093102⟩. ⟨hal-01645607⟩

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