Absolute neutrino cross section measurements are presently limited by uncertainties on ν fluxes. In this paper, we propose a technique that is based on the reconstruction of large angle positrons in the decay tunnel to identify three-body semileptonic (Formula presented.) decays. This tagging facility operated in positron counting mode (“event count mode”) can be employed to determine the absolute ν<inf>e</inf> flux at the neutrino detector with O(1~%) precision. Facilities operated in “event by event tag mode” i.e. tagged neutrino beams that exploit the time coincidence of the positron at source and the ν<inf>e</inf> interaction at the detector, are also discussed.
Longhin, A., Ludovici, L., Terranova, F. (2015). A novel technique for the measurement of the electron neutrino cross section. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 75(4) [10.1140/epjc/s10052-015-3378-9].
A novel technique for the measurement of the electron neutrino cross section
TERRANOVA, FRANCESCO
2015
Abstract
Absolute neutrino cross section measurements are presently limited by uncertainties on ν fluxes. In this paper, we propose a technique that is based on the reconstruction of large angle positrons in the decay tunnel to identify three-body semileptonic (Formula presented.) decays. This tagging facility operated in positron counting mode (“event count mode”) can be employed to determine the absolute ν
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