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Enhanced NeUtrino BEams from kaon Tagging (ENUBET

The next generation of neutrino experiments are supposed to give an answer to some questions about the properties of these particles which are still unknown. Two of them are the determination of the mass hierarchy and the measurement of a possible CP violation in the leptonic sector.

In order to have a solid measure of the CP violation, it is necessary to have an excellent knowledge of the electronic neutrinos cross section. This quantity is currently affected by the largest systematic error among those that are involved in the search for the CP violation.

ENUBET is a project funded by the European community (ERC Consolidator Grant 2015) which is willing to provide physicists with innovative technology for the production of an intense and well-controlled source of electronic neutrinos.

The new approach proposed by ENUBET is based on monitoring positrons coming from the three-body decay of the meson K+ → e+νeπ0 by instrumenting a conventional beam line with shashlik calorimeters readout with silicon photomultipliers. Furthermore, in order to reduce the background induced by the neutral pions (which can be confused with the positrons), the detector will be equipped with “Photon veto” always base on plastic scintillators.

Bologna Activities

 

ENUBET Bologna Group

 

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