Eur. Phys. J. C (2008) 53: 599-606
https://doi.org/10.1140/epjc/s10052-007-0489-y

Regular Article - Theoretical Physics

Neutrino hierarchy from CP-blind observables with high density magnetized detectors

¹ I.F.T. and Dep. Física Teórica, Universidad Autónoma de Madrid, Madrid, Cantoblanco, 28049, Spain
² I.N.F.N. Sezione di Napoli, Complesso Universitatio di Monte Sant’Angelo, via Cintia, 80126, Napoli, Italy
³ Dip. di Fisica, Università “Federico II”, Complesso Universitatio di Monte Sant’Angelo, via Cintia, 80126, Napoli, Italy
⁴ I.N.F.N., Sezione di Bologna, Via Irnerio 46, 40129, Bologna, Italy
⁵ Università di Milano Bicocca and I.N.F.N., Piazza delle Scienze 3, 20126, Milano, Italy
⁶ I.N.F.N. Laboratori Nazionali di Frascati, Via E. Fermi 40, 00044, Frascati (Rome), Italy

^* e-mail: francesco.terranova@cern.ch

Received: 11 June 2007
Revised: 31 October 2007
Published online: 22 December 2007

Abstract

High density magnetized detectors are well suited to exploit the outstanding purity and intensities of novel neutrino sources like neutrino factories and beta beams. They can also provide independent measurements of leptonic mixing parameters through the observation of atmospheric muon-neutrinos. In this paper, we discuss the combination of these observables from a multi-kT iron detector and a high energy beta beam; in particular, we demonstrate that even with moderate detector granularities the neutrino mass hierarchy can be determined for θ₁₃ values greater than 4°.