Calibration of the Super-Kamiokande detector

Abe, K.; Hayato, Y.; Iida, Tsutomu; Iyogi, K.; Kameda, J.; Kishimoto, Y.; Koshio, Y.; Marti, Ll.; Miura, Makoto; Moriyama, S.; Nakahata, M.; Nakano, Y.; Nakayama, S.; Obayashi, Y.; Sekiya, H.; Shiozawa, M.; Suzuki, Y.; Takeda, Atsushi; Takenaga, Y.; Tomura, T.; Ueno, K.; Wendell, R.; Yokozawa, T.; Irvine, T. J.; Kaji, Hiroshi; Kajita, T.; Kaneyuki, K.; Lee, K. P.; Nishimura, Y.; Okumura, K.; Mclachlan, T. C.; Labarga, L.; Kearns, E.; Raaf, J. L.; Stone, J. L.; Sulak, L.; Berkman, S.; Tanaka, Hirohisa; Tobayama, S.; Goldhaber, M.; Bays, K.; Carminati, G.; Kropp, W. R.; Mine, S.; Renshaw, A.; Smy, M. B.; Sobel, H. W.; Ganezer, K. S.; Hill, J.; Keig, W. E.; Jang, J. S.; Kim, J. Y.; Lim, I. T.; Hồng, Nguyễn Thị; Akiri, T.; Albert, J.; Himmel, A.; Scholberg, K.; Walter, C. W.; Wongjirad, T.; Ishizuka, T.; Tasaka, S.; Learned, J. G.; Matsuno, S.; Smith, S. N.; Hasegawa, T.; Ishida, Toru; Ishii, T.; Kobayashi, T.; Nakadaira, T.; Nakamura, K.; Nishikawa, K.; Oyama, Y.; Sakashita, K.; Sekiguchi, T.; Tsukamoto, T.; Suzuki, A.; Takeuchi, Y.; Huang, K.; Ieki, K.; Ikeda, M.; Kikawa, T.; Kubo, H.; Minamino, A.; Murakami, Akira; Nakaya, T.; Otani, M.; Suzuki, K.; Takahashi, Sentaro; Fukuda, Y.; Choi, K.; Itow, Y.; Mitsuka, G.; Miyake, Masao; Mijakowski, P.; Tacik, R.; Hignight, J.; Imber, J.; Jung, C. K.; Taylor, Ian; Yanagisawa, C.; Idehara, Y.; Ishino, H.; Kibayashi, A.; Mori, T.; Sakuda, M.; Yamaguchi, R.; Yano, T.; Kuno, Y.; Kim, S. B.; Yang, B. S.; Okazawa, H.; Choi, Y.; Nishijima, K.; Koshiba, M.; Totsuka, Y.; Yokoyama, M.; Martens, K.; Vagins, M. R.; Martin, J. F.; Perio, P. de; Konaka, A.; Wilking, M. J.; Chen, S.; Heng, Y. K.; Sui, H.; Yang, Zhen; Zhang, H.; Yang, Z.; Connolly, K.; Dziomba, M.; Wilkes, R. J.

doi:10.1016/j.nima.2013.11.081

Cited by 134 publications

(108 citation statements)

References 17 publications

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“…As a result the efficiency for tagging electrons from muon decays within the ID is 89.1%, an essential element of removing backgrounds containing subthreshold muons or charged pions. Further details of the detector and its calibration may be found in [9,93,94].…”

Section: Far Detectormentioning

confidence: 99%

“…Nevertheless, these events are discarded and the resulting selection inefficiency is taken into account. Events are timed with respect to the leading edge of the beam spill, taking into account the time of flight of the neutrino and myriad other sources of delay [94,95]. Figure 18 shows the event timing (ΔT 0 ) distribution for all ID, OD, and LE events within AE500 μs of the beam arrival time.…”

Section: A Event Selection and Data Qualitymentioning

confidence: 99%

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Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with6.6×1020protons on target

Abe¹,

Adam²,

Aihara³

et al. 2015

Phys. Rev. D

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278

376

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We report on measurements of neutrino oscillation using data from the T2K long-baseline neutrino experiment collected between 2010 and 2013. In an analysis of muon neutrino disappearance alone, we find the following estimates and 68% confidence intervals for the two possible mass hierarchies: normal hierarchy∶ sin 2 θ 23 ¼ 0.514 þ0.055 −0.056 and Δm 2 32 ¼ ð2.51 AE 0.10Þ × 10 −3 eV 2 =c 4 and inverted hierarchy∶ sin 2 θ 23 ¼ 0.511 AE 0.055 and Δm 2 13 ¼ ð2.48 AE 0.10Þ × 10 −3 eV 2 =c 4 . The analysis accounts for multinucleon mechanisms in neutrino interactions which were found to introduce negligible bias. We describe our first analyses that combine measurements of muon neutrino disappearance and electron neutrino appearance to estimate four oscillation parameters, jΔm 2 j, sin 2 θ 23 , sin 2 θ 13 , δ CP , and the mass hierarchy. Frequentist and Bayesian intervals are presented for combinations of these parameters, with and without including recent reactor measurements. At 90% confidence level and including reactor measurements, we exclude the region δ CP ¼ ½0.15; 0.83 π for normal hierarchy and δ CP ¼ ½−0.08; 1.09 π for inverted hierarchy. The T2K and reactor data weakly favor the normal hierarchy with a Bayes factor of 2.2. The most probable values and 68% one-dimensional credible intervals for the other oscillation parameters, when reactor data are included, are sin 2 θ 23 ¼ 0.528 þ0.055 −0.038 and jΔm 2 32 j ¼ ð2.51 AE 0.11Þ × 10 −3 eV 2 =c 4 .

show abstract

Section: Far Detectormentioning

confidence: 99%

Section: A Event Selection and Data Qualitymentioning

confidence: 99%

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with6.6×1020protons on target

Abe¹,

Adam²,

Aihara³

et al. 2015

Phys. Rev. D

Self Cite

278

376

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show abstract

“…Details of the detector design and performance in each SK period, can be found in [25,26]. This analysis considers only events in which all observed Cherenkov light was fully contained within the inner detector.…”

mentioning

confidence: 99%

“…The signal Fermi momentum distributions are simulated using a spectral function fit to electron-12 C scattering data [34]. The SK detector simulation [26] is based on the GEANT-3 [35] package, with the TAUOLA [36] package employed for decaying the τ leptons. For the np → τ þ ν mode we generated three MC samples, with the τ decaying to e þ νν, μ þ νν, and all decay channels.…”

mentioning

confidence: 99%

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Search for Nucleon and Dinucleon Decays with an Invisible Particle and a Charged Lepton in the Final State at the Super-Kamiokande Experiment

Takhistov¹,

Abe²,

Haga³

et al. 2015

Phys. Rev. Lett.

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Artículo escrito por muchos autores, sólo se referencian el primero, los autores que firman como Universidad Autónoma de Madrid y el grupo de colaboración en el caso de que aparezca en el artículoSearch results for nucleon decays p→e+X, p→μ+X, n→νγ (where X is an invisible, massless particle) as well as dinucleon decays np→e+ν, np→μ+ν, and np→τ+ν in the Super-Kamiokande experiment are presented. Using single-ring data from an exposure of 273.4 kton·yr, a search for these decays yields a result consistent with no signal. Accordingly, lower limits on the partial lifetimes of τp→e+X>7.9×1032yr, τp→μ+X>4.1×1032yr, τn→νγ>5.5×1032yr, τnp→e+ν>2.6×1032yr, τnp→μ+ν>2.2×1032yr, and τnp→τ+ν>2.9×1031yr at a 90% confidence level are obtained. Some of these searches are novelThe Super- Kamiokande experiment was built and has been operated with funding from the Japanese Ministry of Education, Culture, Sports, Science and Technology, the U.S. Department of Energy, and the U.S. National Science Foundatio

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The Super-Kamiokande Detector

Menendez

2018

Neutrino Physics in Present and Future Kamioka Water‐Čerenkov Detectors With Neutron Tagging

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Calibration of the Super-Kamiokande detector

Cited by 134 publications

References 17 publications

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with6.6×1020protons on target

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with6.6×1020protons on target

Search for Nucleon and Dinucleon Decays with an Invisible Particle and a Charged Lepton in the Final State at the Super-Kamiokande Experiment

The Super-Kamiokande Detector

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