Author:
Torti Marta,Acerbi Fabio,Angelis Ioannis,Bomben Luca,Bonesini Maurizio,Bramati Filippo,Branca Antonio,Brizzolari Claudia,Brunetti Giulia,Calviani Marco,Capelli Stefano,Carturan Sara,Catanesi Maria Gabriella,Cecchini Simone,Charitonidis Nikolaos,Cindolo Federico,Cogo Giacomo,Collazuol Gianmaria,Dal Corso Flavio,Delogu Claudia,De Rosa Gianfranca,Falcone Andrea,Goddard Brennan,Gola Alberto,Halić Leon,Iacob Fabio,Jollet Cecile,Kain Verena,Klicek Budimir,Kudenko Yury,Lampoudis Christos,Laveder Marco,Longhin Andrea,Ludovici Lucio,Lutsenko Evgenii,Magaletti Lorenzo,Mandrioli Gianni,Margotti Anselmo,Mascagna Valerio,Mauri Nicoletta,Meazza Luca,Meregaglia Anselmo,Mezzetto Mauro,Nessi Marzio,Paoloni Alessandro,Pari Michelangelo,Parozzi Elisabetta Giulia,Pasqualini Laura,Paternoster Giovanni,Patrizii Laura,Pozzato Michele,Prest Michela,Pupilli Fabio,Radicioni Emilio,Ruggeri Alan Cosimo,Sampsonidis Dimos,Scian Carlo,Sirri Gabriele,Stipcevic Mario,Tenti Matteo,Terranova Francesco,Tzamarias Spyros,Vallazza Erik,Velotti Francesco,Votano Lucia
Abstract
The main source of systematic uncertainty on neutrino cross section measurements at the GeV scale is represented by the poor knowledge of the initial flux. The goal of cutting down this uncertainty to 1% can be achieved through the monitoring of charged leptons produced in association with neutrinos, by properly instrumenting the decay region of a conventional narrow-band neutrino beam. Large angle muons and positrons from kaons are measured by a sampling calorimeter on the decay tunnel walls (tagger), while muon stations after the hadron dump can be used to monitor the neutrino component from pion decays. This instrumentation can provide a full control on both the muon and electron neutrino fluxes at all energies. Furthermore, the narrow momentum width (<10%) of the beam provides a O(10%) measurement of the neutrino energy on an event by event basis, thanks to its correlation with the radial position of the interaction at the neutrino detector. The ENUBET project has been funded by the ERC in 2016 to prove the feasibility of such a monitored neutrino beam and is cast in the framework of the CERN neutrino platform (NP06) and the Physics Beyond Colliders initiative. In our contribution, we summarize the ENUBET design, physics performance and opportunities for its implementation in a timescale comparable with next long baseline neutrino experiments.
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