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Imprints of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>violation induced by sterile neutrinos in T2K data
We investigate the impact of light ($\ensuremath{\sim}\text{ }\mathrm{eV}$) sterile neutrinos in the long-baseline experiment T2K. We show that, within the $3+1$ scheme, for mass-mixing parameters suggested by the short-baseline anomalies, the interference among the sterile and the atmospheric oscillation frequencies induces a new term in the ${\ensuremath{\nu}}_{\ensuremath{\mu}}\ensuremath{\rightarrow}{\ensuremath{\nu}}_{e}$ transition probability, which …