| Issue |
EPJ Web Conf.
Volume 282, 2023
8th International Symposium on Symmetries in Subatomic Physics (SSP 2022)
|
|
|---|---|---|
| Article Number | 01018 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/epjconf/202328201018 | |
| Published online | 03 April 2023 | |
https://doi.org/10.1051/epjconf/202328201018
ENUBET: A monitored neutrino beam for high precision cross section measurements
1 Fondazione Bruno Kessler (FBK) and INFN TIFPA, Trento, Italy
2 DiSAT, Università degli studi dell’Insubria, Como, Italy
3 INFN, Sezione di Milano-Bicocca, Milano, Italy
4 Phys. Dep. Università di Milano-Bicocca, Milano, Italy
5 INFN Sezione di Padova, Padova, Italy
6 CERN, Geneva, Switzerland
7 INFN Laboratori Nazionali di Legnaro, Legnaro (PD), Italy
8 INFN Sezione di Bari, Bari, Italy
9 INFN, Sezione di Bologna, Bologna, Italy
10 Phys. Dep. Università di Padova, Padova, Italy
11 INFN, Sezione di Napoli, Napoli, Italy
12 IPHC, Université de Strasbourg, CNRS/IN2P3, Strasbourg, France
13 Institute of Nuclear Research of the Russian Academy of Science, Moscow, Russia
14 Centre de Etudes Nucleaires de Bordeaux Gradignan, Bordeaux, France
15 INFN, Sezione di Roma 1, Rome, Italy
16 CENBG, Université de Bordeaux, CNRS/IN2P3, Gradignan, France
17 INFN, Laboratori Nazionali di Frascati, Frascati (Roma), Italy
18 Phys. Dep. Università di Bologna, Bologna, Italy
19 Phys. Dep. Università degli Studi di Napoli Federico II, Napoli, Italy
20 Center of Excellence for Advanced Materials and Sensing Devices, R. Boskovic Institute, Zagreb, Croatia
21 Aristotle University of Thessaloniki, Thessaloniki, Greece
22 DII, Università degli studi di Brescia, Brescia, Italy
23 INFN, Sezione di Pavia, Pavia, Italy
* email address: marta.torti@cern.ch
Published online: 3 April 2023
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.
© The Authors, published by EDP Sciences, 2023
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