Testing <em>B</em>-violating signatures from exotic instantons in future colliders

Andrea Addazi; Xian-Wei Kang; Maxim Yu. Khlopov

doi:10.1088/1674-1137/41/9/093102

Chinese Physics C> 2017, Vol. 41> Issue(9) : 093102 DOI: 10.1088/1674-1137/41/9/093102

Testing B-violating signatures from exotic instantons in future colliders

1.
Dipartimento di Fisica, Università
2.
Institute of Physics, Academia Sinica, Taipei 115
3.
Institute for Advanced Simulation, Jü
4.
Centre for Cosmoparticle Physics Cosmion
5.
APC laboratory 10, rue Alice Domon et Lé

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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 Λ-Λ transitions. In principle, the Λ-Λ 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 m 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 m 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 m NN→ππ,KK bounds.
- CEPC ,
- SppC ,
- exotic instanton ,
- baryon number violation

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Andrea Addazi, Xian-Wei Kang and Maxim Yu. Khlopov. Testing B-violating signatures from exotic instantons in future colliders[J]. Chinese Physics C, 2017, 41(9): 093102. doi: 10.1088/1674-1137/41/9/093102

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Received: 2017-03-14
Revised: 2017-05-10

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A. A.'s work was supported in part by the MIUR research grant Theoretical Astroparticle Physics PRIN 2012CPPYP7. XWK's work is partly supported by the DFG and the NSFC through funds provided to the Sino-German CRC 110 Symmetries and the Emergence of Structure in QCD when he was in Jlich, and by MOST, Taiwan, (104-2112-M-001-022) from April 2017. The work by MK was performed within the framework of the Center FRPP Supported by MEPhI Academic Excellence Project (contract 02.03.21.0005, 27.08.2013), supported by the Ministry of Education and Science of Russian Federation, project 3.472.2014/K and grant RFBR 14-22-03048

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沈阳化工大学材料科学与工程学院沈阳 110142

Testing B-violating signatures from exotic instantons in future colliders

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Testing B-violating signatures from exotic instantons in future colliders

Corresponding author: Xian-Wei Kang, andrea.addazi@infn.lngs.it

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