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2018-02-08 11:37 |
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2018-02-08 11:34 |
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2014-09-26 16:08 |
Tagging B quark events in ALEPH with neural networks : comparison of different methods
/ Proriol, J. (Clermont-Ferrand U.) ; Falvard, A. (Clermont-Ferrand U.) ; Henrard, P. (Clermont-Ferrand U.) ; Jousset, J. (Clermont-Ferrand U.) ; Brandl B. (U. Heidelberg (main))
CERN-ALEPH-PUB-92-057; PCCF-RI-91-09.-
Geneva : CERN, 1993 - 26 p.
Miscellaneous ALEPH PUBlications
- Published in : Int. J. Neural Syst.: 3 Supp. (1992) , pp. 267-270
In : 2nd Workshop on Neural Networks: from Biology to High-energy Physics, Marciana Marina, Isola d'Elba, Italy, 18 - 26 Jun 1992, pp.267-270
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2014-03-04 10:04 |
Nuclear structure effects in the exotic decay of $^{225}$Ac via $^{14}$C emission
/ Bonetti, R (Milan U. ; INFN, Milan) ; Chiesa, C (Milan U. ; INFN, Milan) ; Guglielmetti, A (Milan U. ; INFN, Milan) ; Matheoud, R (Milan U. ; INFN, Milan) ; Migliorino, C (Milan U. ; INFN, Milan) ; Pasinetti, A L (Milan U. ; CERN) ; Ravn, H L (CERN)
By using a $^{225}$Ac source produced at the electromagnetic separator Isolde we collected on our track-recording glass detectors 305 $^{14}$C events from the radioactive decays of $^{225}$Ac and its daughter $^{221}$Fr and obtained, for $^{225}$Ac, a branching ratio B($^{14}$C/$\alpha$)=(6.0 $\pm$ 1.3) x 10$^{-12}$. Our result suggests that such a decay from an odd proton nucleus is dominated by transition to the ground or to the first excited state of daughter nucleus..
1993 - 9 p.
- Published in : Nucl. Phys. A 562 (1993) 32-40
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2011-04-27 17:12 |
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2008-11-27 13:17 |
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2007-02-27 18:34 |
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2006-12-13 05:26 |
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