BRIZZOLARI, C.; ACERBI, F.; BALLERINI, G.; BERRA, A.; BONESINI, M.; BRANCA, A.; BRUNETTI, G.; CALVIANI, M.; CAPELLI, S.; CARTURAN, S.; CATANESI, M.G.; CECCHINI, S.; CHARITONIDIS, N.; CINDOLO, F.; COLLAZUOL, G.; CONTI, E.; DAL CORSO, F.; DELOGU, C.; DE ROSA, G.; FALCONE, A.; GOLA, A.; INTONTI, R.A.; JOLLET, C.; KAIN, V.; KLICEK, B.; KUDENKO, Y.; LAVEDER, M.; LONGHIN, A.; LUDOVICI, L.; LUTSENKO, E.; MAGALETTI, L.; MANDRIOLI, G.; MARGOTTI, A.; MASCAGNA, V.; MAURI, N.; MEAZZA, L.; MEREGAGLIA, A.; MEZZETTO, M.; NESSI, M.; PAOLONI, A.; PARI, M.; PAROZZI, E.; PASQUALINI, L.; PATERNOSTER, G.; PATRIZII, L.; POZZATO, M.; PREST, M.; PUPILLI, F.; RADICIONI, E.; RICCIO, C.; RUGGIERI, A.C.; SCIAN, C.; SIRRI, G.; SOLDANI, M.; STIPCEVIC, M.; TENTI, M.; TERRANOVA, F.; TORTI, M.; VALLAZZA, E.; VELOTTI, F.; VESCO, M.; VOTANO, L.

doi:10.1393/ncc/i2020-20056-9

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Nuovo Cim.C, Nuovo Cim.C, 2019-04-08, Naples. 2020, vol. 43, n° 2-3, p. 56

Résumé en anglais

The knowledge of initial flux, energy and flavour of current neutrino beams is currently the main limitation for a precise measurement of neutrino crosssections. The ENUBET ERC project (2016–2021) is studying a facility based on a narrow-band neutrino beam capable of constraining the neutrino flux normalization through the monitoring of the associated charged leptons in an instrumented decay tunnel. In particular, the identification of large-angle positrons from Ke3 decays at single-particle level can reduce the νe flux uncertainty at the level of 1%. This setup would allow for an unprecedented measurement of the νe cross-section at the GeV scale. Such an experimental input would be highly beneficial to reduce the budget of systematic uncertainties in the next long baseline oscillation projects (i.e., HyperK-DUNE). Furthermore, in narrow-band beams, the transverse position of the neutrino interaction at the detector can be exploited to determine a priori with significant precision the neutrino energy spectrum without relying on the finalstate reconstruction.< Réduire

Mots clés en anglais

neutrino: flux

neutrino: energy spectrum

ENUBET

neutrino: beam

beam monitoring

measurement methods

beam position

positron: particle identification

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Monitored beams for high-precision neutrino flux determination: The ENUBET project

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