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Maxantalet träffar du kan exportera från sökgränssnittet är 250. Vid större uttag använd dig av utsökningar.
• 1.
University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan.
University of Tokyo, Department of Physics, Tokyo, Japan. Kyoto University, Department of Physics, Kyoto, Japan. ETH Zurich, Institute for Particle Physics, Zurich, Switzerland. STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom. University of Glasgow, School of Physics and Astronomy, Glasgow, United Kingdom.
J-PARC Neutrino Beamline Upgrade Technical Design Report2019Rapport (Fagfellevurdert)

In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. T2K has proposed to accumulate data corresponding to 2×1022 protons-on-target in the next decade, aiming at an initial observation of CP violation with 3σ or higher significance in the case of maximal CP violation. Methods to increase the neutrino beam intensity, which are necessary to achieve the proposed data increase, are described.

• 2.
nstitute for Nuclear Research of the Russian Academy of Sciences, 60 October Revolution Pr 7a, Moscow, Russia.
Baby MIND: a magnetized segmented neutrino detector for the WAGASCI experiment2017Inngår i: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 12, nr 07, s. 1-6Artikkel i tidsskrift (Fagfellevurdert)

T2K (Tokai-to-Kamioka) is a long-baseline neutrino experiment in Japan designed to study various parameters of neutrino oscillations. A near detector complex (ND280) is located 280 m downstream of the production target and measures neutrino beam parameters before any oscillations occur. ND280’s measurements are used to predict the number and spectra of neutrinos in the Super-Kamiokande detector at the distance of 295 km. The difference in the target material between the far (water) and near (scintillator, hydrocarbon) detectors leads to the main non-cancelling systematic uncertainty for the oscillation analysis. In order to reduce this uncertainty a new WAter-Grid-And-SCintillator detector (WAGASCI) has been developed. A magnetized iron neutrino detector (Baby MIND) will be used to measure momentum and charge identification of the outgoing muons from charged current interactions. The Baby MIND modules are composed of magnetized iron plates and long plastic scintillator bars read out at the both ends with wavelength shifting fibers and silicon photomultipliers. The front-end electronics board has been developed to perform the readout and digitization of the signals from the scintillator bars. Detector elements were tested with cosmic rays and in the PS beam at CERN. The obtained results are presented in this paper.

• 3.
Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia.
University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Glasgow, School of Physics and Astronomy, Glasgow, UK. European Organization for Nuclear Research, CERN, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Sofia, Department of Physics, Sofia, Bulgaria. Fermi National Accelerator Laboratory, Batavia, Illinois, USA. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. IFIC (CSIC & University of Valencia), Valencia, Spain. University of Tokyo, Tokyo, Japan. European Organization for Nuclear Research, CERN, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia. University of Glasgow, School of Physics and Astronomy, Glasgow, UK. Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia. Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia. Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia. University of Tokyo, Tokyo, Japan. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. Institute of Nuclear Research, Russian Academy of Sciences, Moscow, Russia. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Sofia, Department of Physics, Sofia, Bulgaria. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. Kyoto University, Kyoto, Japan. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. European Organization for Nuclear Research, CERN, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. European Organization for Nuclear Research, CERN, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. European Organization for Nuclear Research, CERN, Geneva, Switzerland. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Glasgow, School of Physics and Astronomy, Glasgow, UK. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland. University of Sofia, Department of Physics, Sofia, Bulgaria. European Organization for Nuclear Research, CERN, Geneva, Switzerland. University of Sofia, Department of Physics, Sofia, Bulgaria. University of Geneva, Section de Physique, DPNC, Geneva, Switzerland.
Proposal for characterization of muon spectrometers for neutrino beam lines with the Baby MIND2015Rapport (Annet vitenskapelig)

Neutrino detectors based on state-of-the-art plastic scintillators read out with solid state photo-sensors, as well as new magnetization schemes, have been developed in the framework of AIDA. Meaningful size prototypes are under construction. In the framework of the CERN neutrino platform, we propose to test a Totally Active Scintillator Detector (TASD) and a prototype of a Magnetized Iron Neutrino Detector (MIND), called Baby MIND in the H8 beam line in 2016-2018. The design of the detectors and the purpose and plans for the beam tests are presented. An opportunity to use the Baby MIND detector in a real neutrino beam at JPARC for the measurement of the cross-section ratio between Water and scintillator (WAGASCI experiment) is described.

• 4.
University of Glasgow, School of Physics and Astronomy, Glasgow, UK.
Baby MIND: A magnetised spectrometer for theWAGASCI experiment2017Inngår i: Proccedings of Science, Proccedings of Science (PoS) , 2017, Vol. 295, s. 1-6, artikkel-id PoS NuFact2017Konferansepaper (Fagfellevurdert)

The WAGASCI experiment being built at the J-PARC neutrino beam line will measure the ratio of cross sections from neutrinos interacting with a water and scintillator targets, in order to constrain neutrino cross sections, essential for the T2K neutrino oscillation measurements. A prototype Magnetised Iron Neutrino Detector (MIND), called Baby MIND, has been constructed at CERN and will act as a magnetic spectrometer behind the main WAGASCI target. Baby MIND will be installed inside the WAGASCI cavern at J-PARC in the beginning of 2018. Baby MIND will be able to measure the charge and momentum of the outgoing muon from neutrino charged current interactions, to enable full neutrino event reconstruction in WAGASCI.

During the summer of 2017, Baby MIND was operated and characterised at the T9 test beam at CERN. Results from this test beam will be presented, including charge identification performance and momentum resolution for charged tracks. These results will be compared to the Monte Carlo simulations. Finally, simulations of charge-current quasi-elastic (CCQE) neutrino interactions in an active scintillator neutrino target, followed by the Baby MIND spectrometer, will be shown to demonstrate the capability of this detector set-up to perform cross-section measurements under different assumptions.

• 5.
School of Physics and Astronomy, College of Science and Engineering, University of Glasgow, UK.
Charged current quasi-elastic muon neutrino interactions in the Baby MIND detector2018Doktoravhandling, monografi (Annet vitenskapelig)

The T2K long-baseline neutrino experiment in Japan is designed to study neutrino oscillations, to determine the mixing angles and mass-squared difference of the neutrino mass eigenstates and, potentially, to discover CP violation in neutrinos by comparing neutrino to antineutrino oscillations. In the near detector complex 280 m downstream of the produc- tion target at the Japanese Particle Accelerator Research Centre (J-PARC), the WAGASCI experiment will measure the ratio of cross sections from neutrinos interacting with a water and scintillator targets, in order to constrain neutrino cross sections essential for the T2K neutrino oscillation measurements. A prototype Magnetised Iron Neutrino Detector, called Baby MIND, has been constructed at CERN and will act as a magnetic spectrometer behind the main WAGASCI target. The Baby MIND spectrometer was installed between February and March 2018 in the near detector complex, behind WAGASCI and is able to measure the charge and momentum of the outgoing muon from neutrino charged current interactions inside the WAGASCI target, to be able to perform full neutrino event reconstruction. Baby MIND collected data in the reverse horn focussed antineutrino beam between April and May 2018. In this thesis, the Baby MIND spectrometer is described in detail along with the performance from initial beam tests performed with the Proton Synchrotron (PS) charged particle beam at the T9 test beam facility at CERN. The test beam was used to perform measurements of track reconstruction efficiency and charge reconstruction efficiency, using dedicated reconstruction programmes, SaRoMaN and SAURON. The software environment used to perform event reconstruction in the complex detector geometry of Baby MIND is described in this thesis. Furthermore, a machine learning multi-variate analysis was used to perform particle identification between muons and hadrons, allowing for a pure selection of muons in the test beam. NuSTORM is a novel type of neutrino beam from the decay of muons in a storage ring. This type of facility produces well defined beams of $\nu_\mu$ and $\bar{\nu_e}$ neutrinos. A study is performed in the thesis to determine the expected sensitivity of mea- suring neutrino interactions in a fully active scintillator neutrino target, with a magnetised iron detector downstream. This analysis also benefited from an identification of the different event types by using a machine learning multi-variate approach. Finally, results are presented on charged current quasi-elastic neutrino and antineutrino interactions in iron reconstructed with the Baby MIND detector during the 2018 neutrino data taking at J-PARC.

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