13–20 mars 2011
La Thuile
Fuseau horaire Europe/Paris

First Results from the T2K Experiment

19 mars 2011, 17:20
15m
La Thuile

La Thuile

Rencontres de Moriond Planibel Hotel - La Thuile Aosta Valley 11016 La Thuile (Aosta), Italy Phone : 39 (0)1 65 88 45 41 Fax : 39 (0)1 65 88 45 35
Ordinary Experiment Neutrinos

Orateur

Dr Mark Hartz (University of Toronto/York University)

Description

T2K is a long baseline high intensity neutrino oscillation experiment employing an off-axis design to search for the as yet unseen appearance of nu_e neutrinos in a nu_mu beam. The neutrino beam originates at the J-PARC facility in Tokai, Japan and the Super-Kamiokande (SK) detector, located 295 km away, measures the composition of the oscillated beam. The SK data is searched for an excess of nu_e neutrinos, constraining the allowed parameter space of sin2(2 theta_13), the parameter governing the amplitude of oscillations from nu_mu to nu_e. This amplitude is of particular interest since it also modulates the amplitude of CP violating terms in the lepton mixing matrix. T2K will also precisely measure delta-m_23^2 and sin2( 2theta_23), the parameters governing the disappearance of nu_mu. In this talk, I will present results from the first T2K physics run in 2010 with 3.23e19 protons on target.

Auteur principal

Dr Mark Hartz (University of Toronto/York University)

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