The prototype of the Borexino detector Counting Test Facility, located in the Gran-Sasso laboratory, has been used to obtain a bound on the stability of the electron. The new lower limit on the mean lifetime defined on 32.1 days of data set is τ(e−→νe+γ)greater-or-equal to 4.6×1026 yr (90% c.l.).
Search for electron decay mode e→γ+ν with prototype of Borexino detector / H. O. Back, M. Balata, A. de Bari, T. Beau, A. de Bellefon, G. Bellini, J. Benziger, S. Bonetti, C. Buck, B. Caccianiga, L. Cadonati, F. Calaprice, G. Cecchet, M. Chen, A. Di Credico, O. Dadoun, D. D'Angelo, A. Derbin, M. Deutsch, F. Elisei, A. Etenko, F. von Feilitzsch, R. Fernholz, R. Ford, D. Franco, B. Freudiger, C. Galbiati, F. Gatti, S. Gazzana, M. G. Giammarchi, D. Giugni, M. Goeger-Neff, A. Golubchikov, A. Goretti, C. Grieb, C. Hagner, T. Hagner, W. Hampel, B. Harding, F. X. Hartmann, G. Heusser, A. Ianni, A. M. Ianni, H. de Kerret, J. Kiko, T. Kirsten, G. Korga, G. Korschinek, Y. Kozlov, D. Kryn, M. Laubenstein, C. Lendvai, P. Lombardi, I. Machulin, S. Malvezzi, J. Maneira, I. Manno, G. Manuzio, F. Masetti, A. Martemianov, U. Mazzucato, K. McCarty, E. Meroni, L. Miramonti, M. E. Monzani, P. Musico, H. Neder, L. Niedermeier, L. Oberauer, M. Obolensky, F. Ortica, M. Pallavicini, L. Papp, L. Perasso, A. Pocar, R. S. Raghavan, G. Ranucci, W. Rau, A. Razeto, E. Resconi, A. Sabelnikov, C. Salvo, R. Scardaoni, S. Schoenert, H. Seidel, H. Simgen, T. Shutt, M. Skorokhvatov, O. Smirnov, A. Sonnenschein, A. Sotnikov, S. Sukhotin, V. Tarasenkov, R. Tartaglia, G. Testera, D. Vignaud, S. Vitale, R. B. Vogelaar, V. Vyrodov, M. Wojcik, O. Zaimidoroga, G. Zuzel. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 525:1-2(2002 Jan), pp. 29-40.
Search for electron decay mode e→γ+ν with prototype of Borexino detector
G. Bellini;S. Bonetti;B. Caccianiga;D. D'Angelo;D. Franco;E. Meroni;L. Miramonti;
2002
Abstract
The prototype of the Borexino detector Counting Test Facility, located in the Gran-Sasso laboratory, has been used to obtain a bound on the stability of the electron. The new lower limit on the mean lifetime defined on 32.1 days of data set is τ(e−→νe+γ)greater-or-equal to 4.6×1026 yr (90% c.l.).
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