Observation of tau neutrino interactions

K. Kodama, N. Ushida, C. Andreopoulos, N. Saoulidou, G. Tzanakos, P. Yager, B. Baller, D. Boehnlein, W. Freeman, B. Lundberg, J. Morfin, R. Rameika, J. C. Yun, J. S. Song, C. S. Yoon, S. H. Chung, P. Berghaus, M. Kubantsev, N. W. Reay, R. SidwellN. Stanton, S. Yoshida, S. Aoki, T. Hara, J. T. Rhee, D. Ciampa, C. Erickson, M. Graham, K. Heller, R. Rusack, R. Schwienhorst, J. Sielaff, J. Trammell, J. Wilcox, 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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The DONUT experiment has analyzed 203 neutrino interactions recorded in nuclear emulsion targets. A decay search has found evidence of four tau neutrino interactions with an estimated background of 0.34 events. This number is consistent with the Standard Model expectation.

Original languageEnglish (US)
Pages (from-to)218-224
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number3
StatePublished - Apr 12 2001

Bibliographical note

Funding Information:
We would like to thank the support staffs at Fermilab and the collaborating institutions. We acknowledge the support from the U.S. Department of Energy, the Japan Society for the Promotion of Science, the Japan-US Cooperative Research Program for High Energy Physics, the Ministry of Education, Science and Culture of Japan, the General Secretariat of Research and Technology of Greece, the Korean Research Foundation, and the DOE/OJI Program.

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