| Autor: |
R. Becker-Szendy, C. B. Bratton, D. R. Cady, D. Casper, R. Claus, M. Crouch, S. T. Dye, W. Gajewski, M. Goldhaber, T. J. Haines, P. G. Halverson, T. W. Jones, D. Kielczewska, W. R. Kropp, J. G. Learned, J. M. LoSecco, C. McGrew, S. Matsuno, J. Matthews, M. S. Mudah, L. Price, F. Reines, J. Schultz, D. Sinclair, H. W. Sobel, J. L. Stone, L. R. Sulak, R. Svoboda, G. Thornton, J. C. van der Velde |
| Rok vydání: |
1990 |
| Předmět: |
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| Zdroj: |
Physical Review D. 42:2974-2976 |
| ISSN: |
0556-2821 |
| DOI: |
10.1103/physrevd.42.2974 |
| Popis: |
We report the results of a search for proton decay into ${e}^{+}+{\ensuremath{\pi}}^{0}$ in the 6800-ton IMB-3 water \ifmmode \check{C}\else \v{C}\fi{}erenkov detector. During 376 days of live time no events consistent with this decay were found in the 3300 ton fiducial volume. From this observation we derive a limit on the partial lifetime to be $\frac{\ensuremath{\tau}}{B}g2.4\ifmmode\times\else\texttimes\fi{}{10}^{32}$ yr (90% C.L.), which, combined with our previous result of 3.1\ifmmode\times\else\texttimes\fi{}${10}^{32}$ yr, provides a limit of 5.5\ifmmode\times\else\texttimes\fi{}${10}^{32}$ yr. The general features of the observed contained events are compatible with those expected from atmospheric neutrino interactions. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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