Pagina principale > Measurements of neutrino oscillation parameters from the T2K experiment using $3.6\times10^{21}$ protons on target |
Article | |
Report number | arXiv:2303.03222 |
Title | Measurements of neutrino oscillation parameters from the T2K experiment using $3.6\times10^{21}$ protons on target Measurements of neutrino oscillation parameters from the T2K experiment using $3.6\times 10^{21}$ protons on target |
Author(s) |
Abe, K. (Kamioka Observ.) ; Akhlaq, N. (Queen Mary, U. of London) ; Akutsu, R. (KEK, Tsukuba) ; Ali, A. (Manitoba U. ; TRIUMF) ; Alonso Monsalve, S. (Zurich, ETH) ; Alt, C. (Zurich, ETH) ; Andreopoulos, C. (Rutherford ; Liverpool U.) ; Antonova, M. (Valencia U., IFIC) ; Aoki, S. (Kobe U.) ; Arihara, T. (Tokyo Metropolitan U.) ; Asada, Y. (Yokohama Natl. U.) ; Ashida, Y. (Kyoto U.) ; Atkin, E.T. (Imperial Coll., London) ; Barbi, M. (Saskatchewan U.) ; Barker, G.J. (Warwick U.) ; Barr, G. (Oxford U.) ; Barrow, D. (Oxford U.) ; Batkiewicz-Kwasniak, M. (Cracow, INP) ; Bench, F. (Liverpool U.) ; Berardi, V. (Bari U.) ; Berns, L. (Tohoku U.) ; Bhadra, S. (York U., Canada) ; Blanchet, A. (Paris U., VI-VII) ; Blondel, A. (Paris U., VI-VII ; Geneva U.) ; Bolognesi, S. (IRFU, Saclay) ; Bonus, T. (Wroclaw U.) ; Bordoni, S. (Geneva U.) ; Boyd, S.B. (Warwick U.) ; Bravar, A. (Geneva U.) ; Bronner, C. (Kyoto U.) ; Bron, S. (TRIUMF) ; Bubak, A. (Silesia U.) ; Buizza Avanzini, M. (Ecole Polytechnique) ; Caballero Carretero, J.A. (Seville U.) ; Calabria, N.F. (Bari U.) ; Cao, S. (IFIRSE, Quy Nhon) ; Carabadjac, D. (Ecole Polytechnique ; IPhT, Saclay) ; Carter, A.J. (Royal Holloway, U. of London) ; Cartwright, S.L. (Sheffield U.) ; Catanesi, M.G. (Bari U.) ; Cervera, A. (Valencia U., IFIC) ; Chakrani, J. (Ecole Polytechnique) ; Cherdack, D. (Houston U.) ; Chong, P.S. (Pennsylvania U., Dept. Math.) ; Christodoulou, G. (CERN) ; Chvirova, A. (Moscow, INR) ; Cicerchia, M. (INFN, Padua ; Padua U.) ; Coleman, J. (Liverpool U.) ; Collazuol, G. (INFN, Padua ; Padua U.) ; Cook, L. (Oxford U. ; Tokyo U., IPMU) ; Cudd, A. (Colorado U.) ; Dalmazzone, C. (Paris U., VI-VII) ; Daret, T. (IRFU, Saclay) ; Davydov, Yu. I. (Dubna, JINR) ; De Roeck, A. (CERN) ; De Rosa, G. (Naples U. ; INFN, Naples) ; Dealtry, T. (Lancaster U.) ; Delogu, C.C. (INFN, Padua ; Padua U.) ; Densham, C. (Rutherford) ; Dergacheva, A. (Moscow, INR) ; Di Lodovico, F. (King's Coll. London) ; Dolan, S. (CERN) ; Douqa, D. (Geneva U.) ; Doyle, T.A. (SUNY, Stony Brook) ; Drapier, O. (Ecole Polytechnique) ; Dumarchez, J. (Paris U., VI-VII) ; Dunne, P. (Imperial Coll., London) ; Dygnarowicz, K. (Warsaw U. of Tech.) ; Eguchi, A. (Tokyo U.) ; Emery-Schrenk, S. (IRFU, Saclay) ; Erofeev, G. (Moscow, INR) ; Ershova, A. (IRFU, Saclay) ; Eurin, G. (IRFU, Saclay) ; Fedorova, D. (Moscow, INR) ; Fedotov, S. (Moscow, INR) ; Feltre, M. (INFN, Padua ; Padua U.) ; Finch, A.J. (Lancaster U.) ; Fiorentini Aguirre, G.A. (York U., Canada) ; Fiorillo, G. (Naples U. ; INFN, Naples) ; Fitton, M.D. (Rutherford) ; Franco Patiño, J.M. (Seville U.) ; Friend, M. (KEK, Tsukuba) ; Fujii, Y. (KEK, Tsukuba) ; Fukuda, Y. (Miyagi U. of Education) ; Fusshoeller, K. (Zurich, ETH) ; Giannessi, L. (Geneva U.) ; Giganti, C. (Paris U., VI-VII) ; Glagolev, V. (Dubna, JINR) ; Gonin, M. (ILANCE, Tokyo) ; González Rosa, J. (Seville U.) ; Goodman, E.A. G. (Glasgow U.) ; Gorin, A. (Moscow, INR) ; Grassi, M. (INFN, Padua ; Padua U.) ; Guigue, M. (Paris U., VI-VII) ; Hadley, D.R. (Warwick U.) ; Haigh, J.T. (Warwick U.) ; Hamacher-Baumann, P. (RWTH Aachen U.) ; Harris, D.A. (York U., Canada) ; Hartz, M. (TRIUMF ; Tokyo U., IPMU) ; Hasegawa, T. (KEK, Tsukuba) ; Hassani, S. (IRFU, Saclay) ; Hastings, N.C. (KEK, Tsukuba) ; Hayato, Y. (Kamioka Observ. ; Tokyo U., IPMU) ; Henaff, D. (IRFU, Saclay) ; Hiramoto, A. (Kyoto U.) ; Hogan, M. (Colorado State U.) ; Holeczek, J. (Silesia U.) ; Holin, A. (Rutherford) ; Holvey, T. (Oxford U.) ; Hong Van, N.T. (Hanoi, Inst. Phys.) ; Honjo, T. (Osaka Metropolitan U.) ; Iacob, F. (INFN, Padua ; Padua U.) ; Ichikawa, A.K. (Tohoku U.) ; Ikeda, M. (Kamioka Observ.) ; Ishida, T. (KEK, Tsukuba) ; Ishitsuka, M. (Tokyo U. of Sci.) ; Israel, H.T. (Sheffield U.) ; Iwamoto, K. (Tokyo U.) ; Izmaylov, A. (Moscow, INR) ; Izumi, N. (Tokyo U. of Sci.) ; Jakkapu, M. (KEK, Tsukuba) ; Jamieson, B. (Manitoba U.) ; Jenkins, S.J. (Liverpool U.) ; Jesús-Valls, C. (Tokyo U., IPMU) ; Jiang, J.J. (SUNY, Stony Brook) ; Jonsson, P. (Imperial Coll., London) ; Joshi, S. (IRFU, Saclay) ; Jung, C.K. (SUNY, Stony Brook) ; Jurj, P.B. (Imperial Coll., London) ; Kabirnezhad, M. (Imperial Coll., London) ; Kaboth, A.C. (Royal Holloway, U. of London ; Rutherford) ; Kajita, T. (Tokyo U., ICRR) ; Kakuno, H. (Tokyo Metropolitan U.) ; Kameda, J. (Kamioka Observ.) ; Kasetti, S.P. (Louisiana State U.) ; Kataoka, Y. (Kamioka Observ.) ; Katayama, Y. (Yokohama Natl. U.) ; Katori, T. (King's Coll. London) ; Kawaue, M. (Kyoto U.) ; Kearns, E. (Boston U.) ; Khabibullin, M. (Moscow, INR) ; Khotjantsev, A. (Moscow, INR) ; Kikawa, T. (Kyoto U.) ; Kikutani, H. (Tokyo U.) ; King, S. (King's Coll. London) ; Kiseeva, V. (Dubna, JINR) ; Kisiel, J. (Silesia U.) ; Kobata, T. (Osaka Metropolitan U.) ; Kobayashi, H. (Tokyo U.) ; Kobayashi, T. (KEK, Tsukuba) ; Koch, L. (Mainz U., Inst. Phys.) ; Kodama, S. (Tokyo U.) ; Konaka, A. (TRIUMF) ; Kormos, L.L. (Lancaster U.) ; Koshio, Y. (Okayama U.) ; Kostin, A. (Moscow, INR) ; Koto, T. (Tokyo Metropolitan U.) ; Kowalik, K. (Warsaw, Inst. Nucl. Studies) ; Kudenko, Y. (Moscow, INR) ; Kudo, Y. (Yokohama Natl. U.) ; Kuribayashi, S. (Kyoto U.) ; Kurjata, R. (Warsaw U. of Tech.) ; Kutter, T. (Louisiana State U.) ; Kuze, M. (Tokyo Inst. Tech.) ; La Commara, M. (Naples U. ; INFN, Naples) ; Labarga, L. (Madrid, Autonoma U.) ; Lachner, K. (Warwick U.) ; Lagoda, J. (Warsaw, Inst. Nucl. Studies) ; Lakshmi, S.M. (Warsaw, Inst. Nucl. Studies) ; Lamers James, M. (Lancaster U. ; Rutherford) ; Lamoureux, M. (INFN, Padua ; Padua U.) ; Langella, A. (Naples U. ; INFN, Naples) ; Laporte, J.-F. (IRFU, Saclay) ; Last, D. (Pennsylvania U.) ; Latham, N. (Warwick U.) ; Laveder, M. (INFN, Padua ; Padua U.) ; Lavitola, L. (Naples U. ; INFN, Naples) ; Lawe, M. (Lancaster U.) ; Lee, Y. (Kyoto U.) ; Lin, C. (Imperial Coll., London) ; Lin, S.-K. (Louisiana State U.) ; Litchfield, R.P. (Glasgow U.) ; Liu, S.L. (SUNY, Stony Brook) ; Li, W. (Oxford U.) ; Longhin, A. (INFN, Padua ; Padua U.) ; Long, K.R. (Imperial Coll., London ; Rutherford) ; Moreno, A. Lopez (King's Coll. London) ; Ludovici, L. (INFN, Rome ; Rome U.) ; Lu, X. (Warwick U.) ; Lux, T. (Barcelona, IFAE) ; Machado, L.N. (Glasgow U.) ; Magaletti, L. (Bari U.) ; Mahn, K. (Michigan State U.) ; Malek, M. (Sheffield U.) ; Mandal, M. (Warsaw, Inst. Nucl. Studies) ; Manly, S. (Rochester U.) ; Marino, A.D. (Colorado U.) ; Marti-Magro, L. (Yokohama Natl. U.) ; Martin, D.G. R. (Imperial Coll., London) ; Martini, M. (Paris U., VI-VII) ; Martin, J.F. (Toronto U.) ; Maruyama, T. (KEK, Tsukuba) ; Matsubara, T. (KEK, Tsukuba) ; Matveev, V. (Moscow, INR) ; Mauger, C. (Pennsylvania U.) ; Mavrokoridis, K. (Liverpool U.) ; Mazzucato, E. (IRFU, Saclay) ; McCauley, N. (Liverpool U.) ; McElwee, J. (Sheffield U.) ; McFarland, K.S. (Rochester U.) ; McGrew, C. (SUNY, Stony Brook) ; McKean, J. (Imperial Coll., London) ; Mefodiev, A. (Moscow, INR) ; Megias, G.D. (Seville U.) ; Mehta, P. (Liverpool U.) ; Mellet, L. (Paris U., VI-VII) ; Metelko, C. (Liverpool U.) ; Mezzetto, M. (INFN, Padua ; Padua U.) ; Miller, E. (King's Coll. London) ; Minamino, A. (Yokohama Natl. U.) ; Mineev, O. (Moscow, INR) ; Mine, S. (Kamioka Observ. ; UC, Irvine) ; Miura, M. (Kamioka Observ.) ; Molina Bueno, L. (Valencia U., IFIC) ; Moriyama, S. (Kamioka Observ.) ; Morrison, P. (Glasgow U.) ; Mueller, Th. A. (Ecole Polytechnique) ; Munford, D. (Houston U.) ; Munteanu, L. (CERN) ; Nagai, K. (Yokohama Natl. U.) ; Nagai, Y. (Eotvos U.) ; Nakadaira, T. (KEK, Tsukuba) ; Nakagiri, K. (Tokyo U.) ; Nakahata, M. (Kamioka Observ. ; Tokyo U., IPMU) ; Nakajima, Y. (Tokyo U.) ; Nakamura, A. (Okayama U.) ; Nakamura, H. (Tokyo U. of Sci.) ; Nakamura, K. (Tokyo U., IPMU ; KEK, Tsukuba) ; Nakamura, K.D. (Tohoku U.) ; Nakano, Y. (Kamioka Observ.) ; Nakayama, S. (Kamioka Observ. ; Tokyo U., IPMU) ; Nakaya, T. (Kyoto U. ; Tokyo U., IPMU) ; Nakayoshi, K. (KEK, Tsukuba) ; Naseby, C.E. R. (Imperial Coll., London) ; Ngoc, T.V. (IFIRSE, Quy Nhon) ; Nguyen, V.Q. (Ecole Polytechnique) ; Niewczas, K. (Wroclaw U.) ; Nishimori, S. (KEK, Tsukuba) ; Nishimura, Y. (Keio U.) ; Nishizaki, K. (Osaka Metropolitan U.) ; Nosek, T. (NCBJ, Warsaw) ; Nova, F. (Rutherford) ; Novella, P. (Valencia U., IFIC) ; Nugent, J.C. (Tohoku U.) ; O'Keeffe, H.M. (Lancaster U.) ; O'Sullivan, L. (Mainz U., Inst. Phys.) ; Odagawa, T. (Kyoto U.) ; Ogawa, T. (KEK, Tsukuba) ; Okada, R. (Okayama U.) ; Okinaga, W. (Tokyo U.) ; Okumura, K. (Tokyo U., ICRR ; Tokyo U., IPMU) ; Okusawa, T. (Osaka Metropolitan U.) ; Ospina, N. (Madrid, Autonoma U.) ; Owen, R.A. (Queen Mary, U. of London) ; Oyama, Y. (KEK, Tsukuba) ; Palladino, V. (Naples U. ; INFN, Naples) ; Paolone, V. (Pittsburgh U.) ; Pari, M. (INFN, Padua ; Padua U.) ; Parlone, J. (Liverpool U.) ; Parsa, S. (Geneva U.) ; Pasternak, J. (Imperial Coll., London) ; Pavin, M. (TRIUMF) ; Payne, D. (Liverpool U.) ; Penn, G.C. (Liverpool U.) ; Pershey, D. (Fields Inst., Toronto ; Waterloo U., Math. Dept.) ; Pickering, L. (Royal Holloway, U. of London) ; Pidcott, C. (Sheffield U.) ; Pintaudi, G. (Yokohama Natl. U.) ; Pistillo, C. (U. Bern, AEC) ; Popov, B. (Paris U., VI-VII) ; Porwit, K. (Silesia U.) ; Posiadala-Zezula, M. (Warsaw U.) ; Prabhu, Y.S. (Warsaw, Inst. Nucl. Studies) ; Pupilli, F. (INFN, Padua ; Padua U.) ; Quilain, B. (Ecole Polytechnique) ; Radermacher, T. (RWTH Aachen U.) ; Radicioni, E. (Bari U.) ; Radics, B. (York U., Canada) ; Ramírez, M.A. (Pennsylvania U., Dept. Math.) ; Ratoff, P.N. (Lancaster U.) ; Reh, M. (Colorado U.) ; Riccio, C. (SUNY, Stony Brook) ; Rondio, E. (Warsaw, Inst. Nucl. Studies) ; Roth, S. (RWTH Aachen U.) ; Roy, N. (York U., Canada) ; Rubbia, A. (Zurich, ETH) ; Ruggeri, A.C. (Naples U. ; INFN, Naples) ; Ruggles, C.A. (Glasgow U.) ; Rychter, A. (Warsaw U. of Tech.) ; Sakashita, K. (KEK, Tsukuba) ; Sánchez, F. (Geneva U.) ; Santucci, G. (York U., Canada) ; Schloesser, C.M. (Geneva U.) ; Scholberg, K. (Fields Inst., Toronto ; Waterloo U., Math. Dept.) ; Scott, M. (Imperial Coll., London) ; Seiya, Y. (Osaka Metropolitan U.) ; Sekiguchi, T. (KEK, Tsukuba) ; Sekiya, H. (Kamioka Observ. ; Tokyo U., IPMU) ; Sgalaberna, D. (Zurich, ETH) ; Shaikhiev, A. (Moscow, INR) ; Shaker, F. (York U., Canada) ; Shaykina, A. (Moscow, INR) ; Shiozawa, M. (Kamioka Observ. ; Tokyo U., IPMU) ; Shorrock, W. (Imperial Coll., London) ; Shvartsman, A. (Moscow, INR) ; Skrobova, N. (Moscow, INR) ; Skwarczynski, K. (Warsaw, Inst. Nucl. Studies) ; Smyczek, D. (RWTH Aachen U.) ; Smy, M. (UC, Irvine) ; Sobczyk, J.T. (Wroclaw U.) ; Sobel, H. (UC, Irvine ; Tokyo U., IPMU) ; Soler, F.J. P. (Glasgow U.) ; Sonoda, Y. (Kamioka Observ.) ; Speers, A.J. (Lancaster U.) ; Spina, R. (Bari U.) ; Suslov, I.A. (Dubna, JINR) ; Suvorov, S. (Moscow, INR ; Paris U., VI-VII) ; Suzuki, A. (Kobe U.) ; Suzuki, S.Y. (KEK, Tsukuba) ; Suzuki, Y. (Tokyo U., IPMU) ; Sztuc, A.A. (Imperial Coll., London) ; Tada, M. (KEK, Tsukuba) ; Tairafune, S. (Tohoku U.) ; Takayasu, S. (Osaka Metropolitan U.) ; Takeda, A. (Kamioka Observ.) ; Takeuchi, Y. (Kobe U. ; Tokyo U., IPMU) ; Takifuji, K. (Tohoku U.) ; Tanaka, H.K. (Kamioka Observ.) ; Tanihara, Y. (Yokohama Natl. U.) ; Tani, M. (Kyoto U.) ; Teklu, A. (SUNY, Stony Brook) ; Tereshchenko, V.V. (Dubna, JINR) ; Teshima, N. (Osaka Metropolitan U.) ; Thamm, N. (RWTH Aachen U.) ; Thompson, L.F. (Sheffield U.) ; Toki, W. (Colorado State U.) ; Touramanis, C. (Liverpool U.) ; Towstego, T. (Toronto U.) ; Tsui, K.M. (Liverpool U.) ; Tsukamoto, T. (KEK, Tsukuba) ; Tzanov, M. (Louisiana State U.) ; Uchida, Y. (Imperial Coll., London) ; Vagins, M. (Tokyo U., IPMU ; UC, Irvine) ; Vargas, D. (Toronto U.) ; Varghese, M. (Barcelona, IFAE) ; Vasseur, G. (IRFU, Saclay) ; Vilela, C. (CERN) ; Villa, E. (CERN ; Geneva U.) ; Vinning, W.G. S. (Warwick U.) ; Virginet, U. (Paris U., VI-VII) ; Vladisavljevic, T. (Rutherford) ; Wachala, T. (Cracow, INP) ; Walsh, J.G. (Michigan State U.) ; Wang, Y. (SUNY, Stony Brook) ; Wan, L. (Boston U.) ; Wark, D. (Rutherford ; Oxford U.) ; Wascko, M.O. (Imperial Coll., London) ; Weber, A. (Mainz U., Inst. Phys.) ; Wendell, R. (Kyoto U.) ; Wilking, M.J. (SUNY, Stony Brook) ; Wilkinson, C. (LBNL, Berkeley) ; Wilson, J.R. (King's Coll. London) ; Wood, K. (LBNL, Berkeley) ; Wret, C. (Rochester U.) ; Xia, J. (Tokyo U., IPMU) ; Xu, Y.-h. (Lancaster U.) ; Yamamoto, K. (Osaka Metropolitan U.) ; Yamamoto, T. (Osaka Metropolitan U.) ; Yanagisawa, C. (SUNY, Stony Brook) ; Yang, G. (SUNY, Stony Brook) ; Yano, T. (Kamioka Observ.) ; Yasutome, K. (Kyoto U.) ; Yershov, N. (Moscow, INR) ; Yevarouskaya, U. (Paris U., VI-VII) ; Yokoyama, M. (Tokyo U.) ; Yoshimoto, Y. (Tokyo U.) ; Yoshimura, N. (Kyoto U.) ; Yu, M. (York U., Canada) ; Zaki, R. (York U., Canada) ; Zalewska, A. (Cracow, INP) ; Zalipska, J. (Warsaw, Inst. Nucl. Studies) ; Zaremba, K. (Warsaw U. of Tech.) ; Zarnecki, G. (Cracow, INP) ; Zhao, X. (Zurich, ETH) ; Zhu, T. (Imperial Coll., London) ; Ziembicki, M. (Warsaw U. of Tech.) ; Zimmerman, E.D. (Colorado U.) ; Zito, M. (Paris U., VI-VII) ; Zsoldos, S. (King's Coll. London) |
Publication | 2023-09-05 |
Imprint | 2023-03-06 |
Number of pages | 51 |
In: | Eur. Phys. J. C 83 (2023) 782 |
DOI | 10.1140/epjc/s10052-023-11819-x (publication) |
Subject category | hep-ex ; Particle Physics - Experiment |
Accelerator/Facility, Experiment | T2K |
Abstract | The T2K experiment presents new measurements of neutrino oscillation parameters using $19.7(16.3)\times10^{20}$ protons on target (POT) in (anti-)neutrino mode at the far detector (FD). Compared to the previous analysis, an additional $4.7\times10^{20}$ POT neutrino data was collected at the FD. Significant improvements were made to the analysis methodology, with the near-detector analysis introducing new selections and using more than double the data. Additionally, this is the first T2K oscillation analysis to use NA61/SHINE data on a replica of the T2K target to tune the neutrino flux model, and the neutrino interaction model was improved to include new nuclear effects and calculations. Frequentist and Bayesian analyses are presented, including results on $\sin^2\theta_{13}$ and the impact of priors on the $\delta_\mathrm{CP}$ measurement. Both analyses prefer the normal mass ordering and upper octant of $\sin^2\theta_{23}$ with a nearly maximally CP-violating phase. Assuming the normal ordering and using the constraint on $\sin^2\theta_{13}$ from reactors, $\sin^2\theta_{23}=0.561^{+0.021}_{-0.032}$ using Feldman--Cousins corrected intervals, and $\Delta{}m^2_{32}=2.494_{-0.058}^{+0.041}\times10^{-3} \mathrm{eV^2}$ using constant $\Delta\chi^{2}$ intervals. The CP-violating phase is constrained to $\delta_\mathrm{CP}=-1.97_{-0.70}^{+0.97}$ using Feldman--Cousins corrected intervals, and $\delta_\mathrm{CP}=0,\pi$ is excluded at more than 90% confidence level. A Jarlskog invariant of zero is excluded at more than $2\sigma$ credible level using a flat prior in $\delta_\mathrm{CP}$, and just below $2\sigma$ using a flat prior in $\sin\delta_\mathrm{CP}$. When the external constraint on $\sin^2\theta_{13}$ is removed, $\sin^2\theta_{13}=28.0^{+2.8}_{-6.5}\times10^{-3}$, in agreement with measurements from reactor experiments. These results are consistent with previous T2K analyses. |
Copyright/License | publication: © 2023-2024 The Author(s) (License: CC-BY-4.0), sponsored by SCOAP³ preprint: (License: CC BY 4.0) |