Exploring atmospheric neutrino oscillations at ESSnuSB

(ESSnuSB collaboration) Aguilar, J.; Anastasopoulos, M.; Baussan, E.; Bhattacharyya, A. K.; Bignami, A.; Blennow, M.; Bogomilov, M.; Bolling, B.; Bouquerel, E.; Bramati, F.; Branca, A.; Brunetti, G.; Bustinduy, I.; Carlile, C. J.; Cederkall, J.; Choi, T. W.; Choubey, S.; Christiansen, P.; Collins, M.; Morales, E. Cristaldo; Cupial, P.; Danared, H.; de Andre, J. P. A. M.; Dracos, M.; Efthymiopoulos, I.; Ekelof, T.; Eshraqi, M.; Fanourakis, G.; Farricker, A.; Fasoula, E.; Fukuda, T.; Gazis, N.; Geralis, Th.; Ghosh, M.; Giarnetti, A.; Gokbulut, G.; Hagner, C.; Halic, L.; Hooft, M.; Iversen, K. E.; Jachowicz, N.; Jenssen, M.; Johansson, R.; Kasimi, E.; Kayis Topaksu, A.; Kildetoft, B.; Kordas, K.; Leisos, A.; Lindroos, M.; Longhin, A.; Maiano, C.; Marangoni, S.; Marrelli, C.; Meloni, D.; Mezzetto, M.; Milas, N.; Munoz, J. L.; Niewczas, K.; Oglakci, M.; Ohlsson, T.; Olvegard, M.; Pari, M.; Patrzalek, D.; Petkov, G.; Petridou, Ch.; Poussot, P.; Psallidas, A.; Pupilli, F.; Saiang, D.; Sampsonidis, D.; Schwab, C.; Sordo, F.; Sosa, A.; Stavropoulos, G.; Tarkeshian, R.; Terranova, F.; Tolba, T.; Trachanas, E.; Tsenov, R.; Tsirigotis, A.; Tzamarias, S. E.; Vankova-Kirilova, G.; Vassilopoulos, N.; Vihonen, S.; Wurtz, J.; Zeter, V.; Zormpa, O.; 4] (2024) Exploring atmospheric neutrino oscillations at ESSnuSB. Journal of High Energy Physics, 2024 (10). ISSN 1126-6708

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Abstract

This study provides an analysis of atmospheric neutrino oscillations at the ESSnuSB far detector facility. The prospects of the two cylindrical Water Cherenkov detectors with a total fiducial mass of 540 kt are investigated over 10 years of data taking in the standard three-flavor oscillation scenario. We present the confidence intervals for the determination of mass ordering, θ23 octant as well as for the precisions on sin2θ23 and |Δm231|. It is shown that mass ordering can be resolved by 3σ CL (5σ CL) after 4 years (10 years) regardless of the true neutrino mass ordering. Correspondingly, the wrong θ23 octant could be excluded by 3σ CL after 4 years (8 years) in the case where the true neutrino mass ordering is normal ordering (inverted ordering). The results presented in this work are complementary to the accelerator neutrino program in the ESSnuSB project.

Item Type:	Article
Uncontrolled Keywords:	flavour physics; neutrino detectors and telescopes (experiments); oscillation
Subjects:	NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions:	Division of Experimental Physics Center of Excellence for Advanced Materials and Sensing Devices
Projects:	Project title Project leader Project code Project type Study of the use of the ESS facility to accurately measure the neutrino cross-sections for ESSnuSB leptonic CP violation measurements and to perform sterile neutrino searches and astroparticle physics Budimir Kliček 101094628 Znanstveno-istraživački projekt
Depositing User:	Doris Barčot
Date Deposited:	09 Jan 2026 11:43
URI:	http://fulir.irb.hr/id/eprint/10764
DOI:	10.1007/jhep10(2024)187

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