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CERN Document Server 2,044 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 1.65 secondes. 
1.
(100)
T2K measurements of muon neutrino and antineutrino disappearance using $3.13\times 10^{21}$ protons on target / T2K Collaboration
We report measurements by the T2K experiment of the parameters $\theta_{23}$ and $\Delta m^2_{32}$ which govern the disappearance of muon neutrinos and antineutrinos in the three-flavor PMNS neutrino oscillation model at T2K's neutrino energy and propagation distance. Utilizing the ability of the experiment to run with either a mainly neutrino or a mainly antineutrino beam, muon-like events from each beam mode are used to measure these parameters separately for neutrino and antineutrino oscillations. [...]
arXiv:2008.07921.- 2021-01-27 - 9 p. - Published in : Phys. Rev. D 103 (2021) L011101 Article from SCOAP3: PDF; Fulltext: PDF;
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2.
(91)
Neutron tagging following atmospheric neutrino events in a water Cherenkov detector / Super-Kamiokande Collaboration
We present the development of neutron-tagging techniques in Super-Kamiokande IV using a neural network analysis. The detection efficiency of neutron capture on hydrogen is estimated to be 26%, with a mis-tag rate of 0.016 per neutrino event. [...]
arXiv:2209.08609; FERMILAB-PUB-22-873-ND.- 2022-10-18 - 40 p. - Published in : JINST 17 (2022) P10029 Fulltext: document - PDF; ff15af3f0a01c9edd3bb9f60772a7df9 - PDF; 2209.08609 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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3.
(88)
J-PARC Neutrino Beamline Upgrade Technical Design Report / T2K Collaboration
In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. [...]
arXiv:1908.05141. - 2019 - 127.
Fulltext
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4.
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Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280 / T2K Collaboration
The electron (anti-)neutrino component of the T2K neutrino beam constitutes the largest background in the measurement of electron (anti-)neutrino appearance at the far detector. The electron neutrino scattering is measured directly with the T2K off-axis near detector, ND280. [...]
arXiv:2002.11986.- 2020-10-19 - 43 p. - Published in : JHEP 2020 (2020) 114 Article from SCOAP3: PDF; Fulltext: PDF;
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5.
(88)
First combined measurement of the muon neutrino and antineutrino charged-current cross section without pions in the final state at T2K / T2K Collaboration
This paper presents the first combined measurement of the double-differential muon neutrino and antineutrino charged-current cross sections with no pions in the final state on hydrocarbon at the off-axis near detector of the T2K experiment. The data analyzed in this work comprise 5.8$\times$10$^{20}$ and 6.3$\times$10$^{20}$ protons on target in neutrino and antineutrino mode respectively, at a beam energy peak of 0.6 GeV. [...]
arXiv:2002.09323.- 2020-06-03 - 44 p. - Published in : Phys. Rev. D 101 (2020) 112001 Article from SCOAP3: PDF; Fulltext: PDF;
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6.
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Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam / T2K Collaboration
Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the PMNS mixing matrix. T2K observes 15 candidate electron antineutrino events with a background expectation of 9.3 events. [...]
arXiv:1911.07283.- 2020-04-22 - 8 p. - Published in : Phys. Rev. Lett. 124 (2020) 161802 Article from SCOAP3: PDF; Fulltext: PDF;
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7.
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Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation $\gamma$-rays / T2K Collaboration
Neutrino- and antineutrino-oxygen neutral-current quasielastic-like interactions are measured at Super-Kamiokande using nuclear de-excitation $\gamma$-rays to identify signal-like interactions in data from a $14.94 \ (16.35)\times 10^{20}$ protons-on-target exposure of the T2K neutrino (antineutrino) beam. The measured flux-averaged cross sections on oxygen nuclei are $\langle \sigma_{\nu {\rm -NCQE}} \rangle = 1.70 \pm 0.17 ({\rm stat.}) ^{+ {\rm 0.51}}_{- {\rm 0.38}} ({\rm syst.}) \times 10^{-38} \ {\rm cm^2/oxygen}$ with a flux-averaged energy of 0.82 GeV and $\langle \sigma_{\bar{\nu} {\rm -NCQE}} \rangle = 0.98 \pm 0.16 ({\rm stat.}) ^{+ {\rm 0.26}}_{- {\rm 0.19}} ({\rm syst.}) \times 10^{-38} \ {\rm cm^2/oxygen}$ with a flux-averaged energy of 0.68 GeV, for neutrinos and antineutrinos, respectively. [...]
arXiv:1910.09439.- 2019-12-31 - 19 p. - Published in : Phys. Rev. D 100 (2019) 112009 Article from SCOAP3: PDF; Fulltext: PDF;
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8.
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Constraint on the Matter-Antimatter Symmetry-Violating Phase in Neutrino Oscillations / T2K Collaboration
The current laws of physics do not explain the observed imbalance of matter and antimatter in the universe. Sakharov proposed that an explanation would require the violation of CP symmetry between matter and antimatter. [...]
arXiv:1910.03887.- 2020-06-18 - 10 p. Fulltext: PDF; External links: BBC article; Gizmodo article; Interactions.org article; New Scientist article; New York Times article; PhysOrg.com article; Quanta Magazine article; Science Magazine article; Scientific American article; Space.com article; Symmetry Magazine article; YouTube
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9.
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First Measurement of the Charged Current $\overline{\nu}_{\mu}$ Double Differential Cross Section on a Water Target without Pions in the final state / T2K Collaboration
This paper reports the first differential measurement of the charged-current $\overline{\nu}_{\mu}$ interaction cross section on water with no pions in the final state. The unfolded flux-averaged measurement using the T2K off-axis near detector is given in double differential bins of $\mu^+$ momentum and angle. [...]
arXiv:1908.10249.- 2020-07-22 - 16 p. - Published in : Phys. Rev. D 102 (2020) 012007 Article from SCOAP3: PDF; Fulltext: PDF;
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10.
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Simultaneous measurement of the muon neutrino charged-current cross section on oxygen and carbon without pions in the final state at T2K / T2K Collaboration
This paper reports the first simultaneous measurement of the double differential muon neutrino charged-current cross section on oxygen and carbon without pions in the final state as a function of the outgoing muon kinematics, made at the ND280 off-axis near detector of the T2K experiment. The ratio of the oxygen and carbon cross sections is also provided to help validate various models' ability to extrapolate between carbon and oxygen nuclear targets, as is required in T2K oscillation analyses. [...]
arXiv:2004.05434.- 2020-06-17 - 32 p. - Published in : Phys. Rev. D Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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