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Comparison of narrow-band and wide-band neutrino beams in the search for ν μ → ν e oscillations

1987; American Physical Society; Volume: 36; Issue: 3 Linguagem: Inglês

10.1103/physrevd.36.702

1538-4500

L. Ahrens, S. H. Aronson, Bruce Gibbard, M. J. Murtagh, D. H. White, J. L. Callas, D. Cutts, J. S. Hoftun, M. Diwan, R. E. Lanou, R. C. Allen, H. H. Chen, A. A. Hahn, K. C. Wang, Y. Kurihara, K. Abe, K. Amako, S. Kabe, T. Shinkawa, S. Terada, Y. Nagashima, Y. Suzuki, Y. Yamaguchi, E. W. Beier, L. S. Durkin, S. M. Heagy, M. Hurley, A. K. Mann, A. York, D. Hedin, Matthias Marx, E. G. Stern,

Particle accelerators and beam dynamics

Motivated by the apparent advantages of a narrow-band neutrino beam for neutrino-oscillation experiments, a search for ${\ensuremath{\nu}}_{\ensuremath{\mu}}$\ensuremath{\rightarrow}${\ensuremath{\nu}}_{e}$ was made with a magnetic horn-focused 3-GeV narrow-band neutrino beam. The detector and its distance from the neutrino source were the same as in a previous search for ${\ensuremath{\nu}}_{\ensuremath{\mu}}$\ensuremath{\rightarrow}${\ensuremath{\nu}}_{e}$ with a horn-focused wide-band neutrino beam of mean energy 1.2 GeV. A direct comparison of the results of the two searches is made, and a brief survey of events induced by a 1.3-GeV narrow-band neutrino beam is noted.