A new upper limit for the tau-neutrino magnetic moment

R. Schwienhorst, D. Ciampa, C. Erickson, M. Graham, K. Heller, R. Rusack, J. Sielaff, J. Trammell, J. Wilcox, K. Kodama, N. Ushida, C. Andreopoulos, N. Saoulidou, G. Tzanakos, P. Yager, B. Baller, D. Boehnlein, W. Freeman, B. Lundberg, J. MorfinR. Rameika, J. C. Yun, J. S. Song, C. S. Yoon, S. H. Chung, P. Berghaus, M. Kubantsev, N. W. Reay, R. Sidwell, N. Stanton, S. Yoshida, S. Aoki, T. Hara, J. T. Rhee, K. Hoshino, H. Jiko, M. Miyanishi, M. Komatsu, M. Nakamura, T. Nakano, K. Niwa, N. Nonaka, K. Okada, O. Sato, T. Akdogan, V. Paolone, C. Rosenfeld, A. Kulik, T. Kafka, W. Oliver, T. Patzak, J. Schneps

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38 Scopus citations

Abstract

Using a neutrino beam in which a ν τ component was identified for the first time, the ν τ magnetic moment was measured based on a search for an anomalous increase in the number of neutrino-electron interactions. One such event was observed when 2.3 were expected from background processes, giving an upper 90% confidence limit on μ ντ of 3.9 × 10 -7μ B.

Original languageEnglish (US)
Pages (from-to)23-29
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume513
Issue number1-2
DOIs
StatePublished - Jul 26 2001
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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