Neutrinos News

T2K presents hint of CP violation by neutrinos

The international T2K Collaboration strengthened its previous hint that the symmetry between matter and antimatter may be violated for neutrino oscillation. A preliminary analysis of T2K's latest data rejects the hypothesis that neutrinos and antineutrinos oscillate with the same probability at 95% confidence (2σ) level

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DUNE: Construction begins on international mega-science experiment to understand neutrinos

  • Groundbreaking held on Friday the 21st in South Dakota marks the start of excavation for the Long-Baseline Neutrino Facility, future home to the international Deep Underground Neutrino Experiment (DUNE).
  • Four Spanish scientific institutions participate in this great experiment. IFAE participates in the development of the ProtoDUNE-DP light detection system

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T2K presents first CP violation search result

The international T2K Collaboration announced today their findings on the symmetry between neutrino and antineutrino oscillation. With nearly twice the antineutrino data in 2016 compared to their initial results using antineutrino data in 2015, T2K has performed a new analysis of all data, fitting both neutrino and antineutrino modes simultaneously. Today’s announcement was made by Konosuke Iwamoto, of the University of Rochester, who presented the results at the 38th International Conference on High Energy Physics in Chicago. T2K’s new data continue the trends observed in 2015, which is a preference for maximal disappearance of muon neutrinos, as well as a discrepancy between the electron neutrino and electron antineutrino appearance rates.

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Breakthrough Prize for Fundamental Physics for the T2K collaboration and other neutrino experiments

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Neutrino oscillations win the 2015 Nobel Prize of Physics

The prize goes to Takaaki Kajita of the University of Tokyo and Arthur B. McDonald of Queen's University in Canada for their work on the Super-Kamiokande and SNO experiments.

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Observan la aparición de 3 anti-neutrinos de tipo electrón en el experimento T2K de Japón

• Esta nueva medida se añade a una serie de observaciones hechas por el experimento T2K en la búsqueda de la clave para resolver el enigma de la ausencia de antimateria en el Universo

• Dos institutos españoles, el IFAE de Barcelona y el IFIC de Valencia, participan en el hallazgo

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L'experiment T2K mesura per primera vegada la desaparició d'anti-neutrins de tipus muó

• Aquesta nova mesura s'afegeix al descobriment fet en 2013 d'un nou tipus de transformació del neutrí en la recerca per resoldre l'enigma de l'absència d'antimatèria a l'univers.

• Dos instituts espanyols, l'IFAE de Barcelona i l'IFIC de València, participen del descobriment.

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APRIL 2015 - J-PARC increases intensity for the T2K experiment

J-PARC has reached a great milestone, 1e21 protons on target toward Super-Kamiokande for T2K. For more information visit link.


DECEMBER 2014 - 2014 Nishina Memorial Prize to T2K

Takashi Kobayashi (KEK) and Tsuyoshi Nakaya (Kyoto University) from the T2K Collaboration have been awarded the 2014 Nishina Memorial Prize for their contributions to the "Observation of electron neutrino appearance in a muon neutrino beam".

More information at


JULY 2014 - T2K new educational video

The T2K collaboration has released a new educational video describing the experiment and its scientific goals.


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