Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-06-23
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages and 2 figures
Scientific paper
In this Letter we investigate the possible emission of low-energy electron neutrinos and electron-positron pairs of anomalously large multiplicity in close-to-central $pp$ collisions at LHC. The scenario is based on confining SU(2) Yang-Mills dynamics of Hagedorn temperature $\sim m_e=511 $keV being responsible for the emergence of the lightest lepton family and the weak interactions of the Standard Model. Although cut off by LHC's detectors these electrons-positron bursts would be seen indirectly by a large defect energy and thus an anomalously strong decrease of events with interesting high-energy secondaries for increasing $\sqrt{s}$ . This is because the formation of superconducting (preconfining) SU(2) hot-spots `steals' a large fraction of $\sqrt{s}$ subsequently transferring it to a thermal spectrum of electron neutrinos, electrons, and positrons liberated through evaporation. We thus propose the detection of electrons and positrons of kinetic energy $\sim m_e$ and photons of energy $\sim 2 m_e$.
Giacosa Francesco
Hofmann Ralf
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