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CERN Document Server 32 registres trobats  1 - 10següentfinal  anar al registre: La cerca s'ha fet en 1.54 segons. 
1.
The impact of nuclear effect modeling on the cross-section ratio $\nu_e/\nu_\mu$ and its impact for futrue measurements of CP violation / Dieminger, T (Zurich, ETH) ; Dolan, S (CERN) ; Sgalaberna, D (Zurich, ETH) ; Nikolakopoulos, A (Fermilab) ; Dealtry, T (Lancaster U.) ; Bolognesi, S (IRFU, Saclay) ; Pickering, L (Royal Holloway, U. of London) ; Rubbia, A (Zurich, ETH)
Long-baseline (LBL) neutrino oscillation experiments search for Charge-Parity (CP) violation in the leptonic sector by precisely measuring the $\nu_\mu\to\nu_e$ and $\overline{\nu}_\mu\to\overline{\nu}_e$ appearance probabilities.One of the dominant systematic uncertainties on the measurements of CP violation, comes from our modeling of the $\nu_e/\overline{\nu}_e$ cross-section ratio, which is subject to a range of uncertainties related to poorly-constrained nuclear physics processes.Whilst tight constraints on the $\nu_\mu/\overline{\nu}_\mu$ cross-section can be achieved using LBL experiment's near detector data, the lepton mass differences mean that the extrapolation to the $\nu_e/\overline{\nu}_e$ is not trivial.Currently running LBL experiments reach a sensitivity to exclude the CP conserving hypothesis of about three standard deviations for a relatively large range of $\delta_{CP}$ values, hence a more accurate evaluation of the $\nu_e/\overline{\nu}_e$ related uncertainties becomes increasingly crucial.Following up on work by Nikolakopoulos et al.~\cite{Nik}, we present the analysis from \cite{UncertaintiesOTDi}, quantifying the potential for miss-modelling of the $\nu_\mu/\nu_e, \ \overline{\nu}_\mu / \overline{\nu}_e$ and $\nu_e/\overline{\nu}_e$ cross sections due to nuclear effects as a model spread in the full kinematic phase space for CCQE interactions.This impact is then propagated to simulated experimental configurations based on the Hyper-K and ESS$\nu$SB experiments.Significant differences between the theoretical models are found, which largely lie in regions of phase space that contribute only a small portion of the flux integrated cross sections.Overall, a systematic uncertainty on the oscillated flux-averaged $\nu_e/\overline{\nu}_e$ cross section of $\sim 2$\% and $\sim4$\% is found for the simulated Hyper-K and ESS$\nu$SB experiments respectively..
FERMILAB-CONF-23-770-T.- 2023 - 6 p. - Published in : PoS EPS-HEP2023 (2024) 183 Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.183
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2.
First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data / T2K Collaboration
The Super-Kamiokande and T2K collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. [...]
arXiv:2405.12488. - 12.
Fulltext
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3.
Addendum to the Letter of Intent CERN-SPSC-2023-021 ; SPSC-I-260 / Hyper-Kamiokande Collaboration
In August 2023 the Letter of Intent titled ``The Hyper-K Underwater Electronics Assembly project'' (CERN-SPSC-2023-021, SPSC-I-260) was submitted. [...]
CERN-SPSC-2024-004 ; SPSC-M-796. - 2024.
Fulltext - Original Document (SPSC-I-260)
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4.
Measurements of the $\nu_{\mu}$ and $\bar{\nu}_{\mu}$-induced coherent charged pion production cross cections on $^{12}C$ by the T2K experiment / T2K Collaboration
We report an updated measurement of the $\nu_{\mu}$-induced, and the first measurement of the $\bar{\nu}_{\mu}$-induced coherent charged pion production cross section on $^{12}C$ nuclei in the T2K experiment. This is measured in a restricted region of the final-state phase space for which $p_{\mu,\pi} > 0.2$ GeV, $\cos(\theta_{\mu}) > 0.8$ and $\cos(\theta_{\pi}) > 0.6$, and at a mean (anti)neutrino energy of 0.85 GeV using the T2K near detector. [...]
arXiv:2308.16606.- 2023-11-01 - 15 p. - Published in : Phys. Rev. D 108 (2023) 092009 Fulltext: 2308.16606 - PDF; Publication - PDF;
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5.
The Hyper-K Underwater Electronics Assembly project / Hyper-Kamiokande Collaboration
Starting in 2027, the Hyper-Kamiokande experiment in Japan will search for leptonic CP violation in long-baseline accelerator neutrino oscillations with a realistic potential of discovery within 3 to 10 years from the start of the data taking depending on the value of the CP violating phase, to be measured with a resolution better than $23^{\circ}$. [...]
CERN-SPSC-2023-021 ; SPSC-I-260. - 2023.
Fulltext
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6.
Updated T2K measurements of muon neutrino and antineutrino disappearance using <math display="inline"><mrow><mn>3.6</mn><mo>×</mo><mrow><msup><mrow><mn>10</mn></mrow><mrow><mn>21</mn></mrow></msup></mrow></mrow></math> protons on target / T2K Collaboration
Muon neutrino and antineutrino disappearance probabilities are identical in the standard three-flavor neutrino oscillation framework, but CPT violation and non-standard interactions can violate this symmetry. In this work we report the measurements of $\sin^{2} \theta_{23}$ and $\Delta m_{32}^2$ independently for neutrinos and antineutrinos. [...]
arXiv:2305.09916.- 2023-10-01 - 10 p. - Published in : Phys. Rev. D 108 (2023) 072011 Fulltext: 2305.09916 - PDF; Publication - PDF;
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7.
First measurement of muon neutrino charged-current interactions on hydrocarbon without pions in the final state using multiple detectors with correlated energy spectra at T2K / T2K Collaboration
This paper reports the first measurement of muon neutrino charged-current interactions without pions in the final state using multiple detectors with correlated energy spectra at T2K. The data was collected on hydrocarbon targets using the off-axis T2K near detector (ND280) and the on-axis T2K near detector (INGRID) with neutrino energy spectra peaked at 0.6 GeV and 1.1 GeV respectively. [...]
arXiv:2303.14228.- 2023-12-01 - 36 p. - Published in : Phys. Rev. D 108 (2023) 112009 Fulltext: PDF;
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8.
Measurements of neutrino oscillation parameters from the T2K experiment using $3.6\times10^{21}$ protons on targetMeasurements of neutrino oscillation parameters from the T2K experiment using $3.6\times 10^{21}$ protons on target / T2K Collaboration
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. [...]
arXiv:2303.03222.- 2023-09-05 - 51 p. - Published in : Eur. Phys. J. C 83 (2023) 782 Fulltext: 2303.03222 - PDF; document - PDF;
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9.
Uncertainties on the $\nu_{\mu}$/$\nu_{e}$, $\bar{\nu}_{\mu}$/$\bar{\nu}_{e}$ and $\nu_{e}$/$\bar{\nu}_{e}$ cross-section ratio from the modelling of nuclear effects and their impact on neutrino oscillation experiments / Dieminger, T. (Zurich, ETH) ; Dolan, S. (CERN) ; Sgalaberna, D. (Zurich, ETH) ; Nikolakopoulos, A. (Fermilab) ; Dealtry, T. (Lancaster U.) ; Bolognesi, S. (IRFU, Saclay) ; Pickering, L. (Royal Holloway, U. of London) ; Rubbia, A. (Zurich, ETH)
The potential for mis-modeling of $\nu_{\mu}$/$\nu_{e}$, $\bar{\nu}_{\mu}$/$\bar{\nu}_{e}$ and $\nu_{e}$/$\bar{\nu}_{e}$ cross section ratios due to nuclear effects is quantified by considering model spread within the full kinematic phase space for CCQE interactions. Its impact is then propagated to simulated experimental configurations based on the Hyper-K and ESS$\nu$SB experiments. [...]
arXiv:2301.08065; FERMILAB-PUB-23-011-T.- 2023-08-14 - 6 p. - Published in : Phys. Rev. D 108 (2023) L031301 Fulltext: 70d5a8bfaea1fb8763da149195385c33 - PDF; 2301.08065 - PDF; FERMILAB-PUB-23-011-T - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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10.
Scintillator ageing of the T2K near detectors from 2010 to 2021 / T2K Collaboration
The T2K experiment widely uses plastic scintillator as a target for neutrino interactions and an active medium for the measurement of charged particles produced in neutrino interactions at its near detector complex. Over 10 years of operation the measured light yield recorded by the scintillator based subsystems has been observed to degrade by 0.9--2.2% per year. [...]
arXiv:2207.12982.- 2022-10-17 - 35 p. - Published in : JINST 17 (2022) P10028 Fulltext: Publication - PDF; 2207.12982 - PDF;
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