Observation of Missing Energy Associated withμ+μ−Produced inp-Fe Interactions
- 10 December 1979
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 43 (24), 1774-1777
- https://doi.org/10.1103/physrevlett.43.1774
Abstract
In a study of interactions of 400-GeV protons in an iron calorimeter, we have observed pairs associated with a significant amount of missing energy indicative of final-state neutrinos. This missing energy is not due to any instrumental effects, nor to any trivial sources like double (or ) decay. Interpretation of these data as production of a pair followed by a double muonic decay leads to a model-dependent estimate of a total production cross section of the order of 7-20 μb.
Keywords
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