6533b871fe1ef96bd12d0cfb

RESEARCH PRODUCT

Improved search for nu(mu)->nu(e) oscillation in a long-baseline accelerator experiment

K2k CollaborationS. YamamotoJordi Burguet CastellJoan Català PérezAnselmo Cervera VillanuevaJuan José Gómez CadenasPau Novella GarijoMichel SorelGabriel Vidal SitjesAna María Tornero López

subject

Física

description

We performed an improved search for nu(mu)->nu(e) oscillation with the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment, using the full data sample of 9.2x10(19) protons on target. No evidence for a nu(e) appearance signal was found, and we set bounds on the nu(mu)->nu(e) oscillation parameters. At Delta m(2)=2.8x10(-3) eV(2), the best-fit value of the K2K nu(mu) disappearance analysis, we set an upper limit of sin(2)2 theta(mu e)< 0.13 at a 90% confidence level.

yearjournalcountryeditionlanguage
2006-01-01
10.1103/physrevlett.96.181801http://dx.doi.org/10.1103/PhysRevLett.96.181801