Exploring atmospheric neutrino oscillations at ESSnuSB

A bstract 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, θ 23 octant as well as for the precisions on sin 2 θ 23 and $$ \left|\Delta {m}_{31}^2\right| $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mfenced> <mml:mrow> <mml:mi>Δ</mml:mi> <mml:msubsup> <mml:mi>m</mml:mi> <mml:mn>31</mml:mn> <mml:mn>2</mml:mn> </mml:msubsup> </mml:mrow> </mml:mfenced> </mml:math> . It is shown that mass ordering can be resolved by 3 σ CL (5 σ CL) after 4 years (10 years) regardless of the true neutrino mass ordering. Correspondingly, the wrong θ 23 octant could be excluded by 3 σ 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.

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Publication Details

Journal
Journal of High Energy Physics
Published
2024-10-25
DOI
https://doi.org/10.1007/jhep10(2024)187
Citations
1
Primary Topic
Neutrino Physics Research
Type
article
Field-Weighted Citation Impact
0.66

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article

Exploring atmospheric neutrino oscillations at ESSnuSB

B. Kildetoft, Μάρκος Αναστασόπουλος, Sampsa Vihonen, E. Kasimi et al.
1 citations
Journal of High Energy Physics
Neutrino Physics Research
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article

Exploring atmospheric neutrino oscillations at ESSnuSB

B. Kildetoft, Μάρκος Αναστασόπουλος, Sampsa Vihonen, E. Kasimi, G. Vankova-Kirilova, H. Danared, E. Bouquerel, P. Cupiał, K. E. Iversen, Nikolaos Gazis, P. Christiansen, F. Bramati, Tommy Ohlsson, G. Brunetti, F. Sordo, M. Jenssen, T. W. Choi, M. Pari, R. Tarkeshian, N. Vassilopoulos, A. Branca, S. Marangoni, A. Kayis Topaksu, D. Patrzalek, I. Bustinduy, G. Petkov, K. Niewczas, A. Giarnetti, Monojit Ghosh, B. Bolling, F. Pupilli, S. Tzamarias, J. P. A. M. de André, N. Jachowicz, M. Collins, C. Marrelli, R. Tsenov, Andrea Bignami, A. Tsirigotis, M. Lindroos, T. Ekelöf, Davide Meloni, D. Sampsonidis, Natalia Milas, M. Bogomilov, Maja Olvegård, D. Saiang, C. Maiano, Mamad Eshraqi, M. Dracos, V. Zeter, R. Johansson, Sandhya Choubey, I. Efthymiopoulos, Jacques Wurtz, E. Baussan, A. Leisos, E. Cristaldo Morales, A. Farricker, Mattias Blennow, F. Terranova, L. Halić, E. Fasoula, M. C. F. Hooft, J. A. Aguilar, A. Longhin, E. Trachanas, G. Stavropoulos, Th. Geralis, Ch. Petridou, M. Mezzetto, T. Fukuda, G. Fanourakis, A. Psallidas, Pascal Poussot, K. Kordas, O. Zormpa, J. Cederkäll, C. Hagner, G. Gökbulut, C. Schwab, A. Sosa, C.J. Carlile, T. Tolba, A. K. Bhattacharyya, J. L. Muñoz, M. Oglakci
article en
1 citations

Abstract

A bstract 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, θ 23 octant as well as for the precisions on sin 2 θ 23 and $$ \left|\Delta {m}_{31}^2\right| $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mfenced> <mml:mrow> <mml:mi>Δ</mml:mi> <mml:msubsup> <mml:mi>m</mml:mi> <mml:mn>31</mml:mn> <mml:mn>2</mml:mn> </mml:msubsup> </mml:mrow> </mml:mfenced> </mml:math> . It is shown that mass ordering can be resolved by 3 σ CL (5 σ CL) after 4 years (10 years) regardless of the true neutrino mass ordering. Correspondingly, the wrong θ 23 octant could be excluded by 3 σ 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.

Journal of High Energy PhysicsVol. 2024(10)
Roma Tre University (IT), Uppsala University (SE), Jagiellonian University (PL), Centre National de la Recherche Scientifique (FR), University of Liverpool (GB), Universität Hamburg (DE), Lund University (SE), Luleå University of Technology (SE), Cockcroft Institute (GB), Chinese Academy of Sciences (CN), National Centre of Scientific Research "Demokritos" (GR), Aristotle University of Thessaloniki (GR), Hellenic Open University (GR), European Spallation Source (SE), Ghent University Hospital (BE), Institut Pluridisciplinaire Hubert Curien (FR), Ghent University (BE), Euskadiko Parke Teknologikoa (ES), Istituto Nazionale di Fisica Nucleare, Sezione di Padova (IT), Ruđer Bošković Institute (HR), Institute of Nuclear and Particle Physics (GR), AlbaNova (SE), Hamburg Institut (Germany) (DE), Institute of High Energy Physics (CN), Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca (IT), ESS Bilbao (ES), Cukurova University (TR), Sofia University "St. Kliment Ohridski" (BG), Nagoya University (JP), University of Milano-Bicocca (IT), European Organization for Nuclear Research (CH), AGH University of Krakow (PL), Université de Strasbourg (FR), KTH Royal Institute of Technology (SE)
European Commission, Kungliga Tekniska Högskolan, Vetenskapsrådet
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Neutrino Physics Research
0.66
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