B boson search at KLOE/KLOE-2
Elena Perez del Rio
SciPost Phys. Proc. 16, 013 (2025) · published 14 July 2025
- doi: 10.21468/SciPostPhysProc.16.013
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Proceedings event
16th International Workshop on Tau Lepton Physics
Abstract
Following the many contributions KLOE-2 has done to Dark Matter (DM) searches, an alternative model, where the Dark Force mediator is an hypothetical leptophobic B boson, in contra-position to the U boson or "dark photon", is investigated. The B boson couples mainly to quarks and it can be searched in the Phi decay to $\eta$-B where B will decay in $\pi^{0}$-$\gamma$. So far, investigation of the $\pi^{0}$-$\gamma$ invariant mass shows no clear structure belonging to the signal of the DM mediator, hence, an upper limit in the number of events at 90% with CLs the technique will be established for the decay.
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