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CERN Document Server 17 záznamov nájdených  1 - 10ďalší  skoč na záznam: Hľadanie trvalo 0.57 sekúnd. 
1.
The NA31 $\epsilon'\epsilon$ measurement / Nappi, A ; Bertanza, L ; Bigi, A ; Calafiura, P ; Calvetti, M ; Casali, R ; Cerri, C ; Fantechi, R ; Galeotti, S ; Gargani, G et al.
1990
In : International Europhysics Conference on High-Energy Physics, Madrid, Spain, 6 - 13 Sep 1989, pp.375-377
2.
Measurement of the decay $K_{L} \to e^{+}e^{-} \gamma \gamma$ / Setzu, M G ; Nappi, A ; Beisser, A ; Beier, T ; Blümer, H ; Buchholz, P ; Coward, D H ; Kleinknecht, K ; Leber, F ; Renk, B et al.
The full data set of the NA31 experiment at CERN has been used to analyse the decay mode $K^{0}_{L} \to e^{+}e^{−}\gamma\gamma$. A signal of 47 events has been observed with an estimated background of 6.9 events. [...]
1998 - Published in : Phys. Lett. B 420 (1998) 205-210
3.
Search for the decay $K_{L} \rightarrow 3\gamma$ / Barr, Giles David ; Buchholz, P ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Grafström, P ; Hagelberg, R ; Wahl, H ; Peach, Kenneth J ; Beier, T et al.
MZ-ETAP-95-4.- Mainz : Mainz Univ. Inst. Phys., 1995 - 14 p. - Published in : Phys. Lett. B 358 (1995) 399-404 Access to fulltext document: PDF TIF; - CERN library copies
4.
Measurement of the branching ratio of the double Dalitz decay $K_{L} \rightarrow e^{+}e^{-}e^{+}e^{-}$ and the CP parity of the $K_{L}$-meson / Barr, Giles David ; Buchholz, P ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Grafström, P ; Hagelberg, R ; Wahl, H ; Peach, Kenneth J ; Beier, T et al.
1995 - Published in : Z. Phys. C 65 (1995) 361-365
5.
Search for the decay $K_{L} \rightarrow \pi^{0}\pi^{0}\gamma$ / Barr, Giles David ; Buchholz, P ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Grafström, P ; Hagelberg, R ; Nelson, H N ; Wahl, H ; Peach, Kenneth J et al.
1994 - Published in : Phys. Lett. B 328 (1994) 528-534
6.
Determination of the branching ratios $\Gamma(K_{L} \to 3\pi^{0}) / \Gamma(K_{L} \to \pi^{+}\pi^{-}\pi^{0})$ and $\Gamma(K_{L} \to 3\pi^{0}) / \Gamma(K_{L} \to \pi e\nu)$ / Kreutz, A. (Siegen U.) ; Holder, M. (Siegen U.) ; Rost, M. (Siegen U.) ; Werthenbach, R. (Siegen U.) ; Peach, K.J. (Edinburgh U.) ; Blumer, H. (Mainz U., Inst. Phys.) ; Heinz, R. (Mainz U., Inst. Phys.) ; Kleinknecht, K. (Mainz U., Inst. Phys.) ; Mayer, P. (Mainz U., Inst. Phys.) ; Panzer, B. (Mainz U., Inst. Phys.) et al.
Improved branching ratios were measured for the K_L \to 3 \pi^0 decay in a neutral beam at the CERN SPS with the NA31 detector:\\ \Gamma (K_L \to 3 \pi^0) / \Gamma (K_L \to \pi^+ \pi^- \pi^0) = 1.611 \pm 0.037 and\\ \Gamma (K_L \to 3 \pi^0) / \Gamma (K_L \to \pi e \nu ) = 0.545 \pm 0.010.\\ {}From the first number an upper limit for \Delta I =5/2 and \Delta I = 7/2 transitions in neutral kaon decay is derived. Using older results for the Ke3/K\mu 3 fraction, the 3\pi^0 branching ratio is found to be \Gamma (K_L \to 3 \pi^0 )/ \Gamma_{tot} = (0.211 \pm 0.003), about a factor three more precise than from previous experiments.\\[1ex]
hep-ex/9409003; SI-94-05.- Hüttental-Weinau : Siegen Univ. Fachber. Phys., 1995 - 17 p. - Published in : Z. Phys. C 65 (1995) 67-74 Access to fulltext document: 9409003.fig5 - PS.GZ; 9409003.fig4 - PS.GZ; 9409003.fig3 - PS.GZ; 9409003.fig2 - PS.GZ; 9409003.fig1 - PS.GZ; 9409003 - PDF; Fulltext: PDF; Preprint: PDF; External link: hep-ex/9409003 PDF - CERN library copies
7.
Search for the decay $K_{S} \rightarrow \pi^{0}e^{+}e^{-}$ / Barr, Giles David ; Buchholz, P ; Coward, D H ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Hagelberg, R ; Nelson, H N ; Wahl, H ; Peach, Kenneth J et al.
1993 - Published in : Phys. Lett. B 304 (1993) 381-385
8.
A new measurement of direct CP violation in the neutral kaon system / Barr, Giles David ; Buchholz, P ; Carosi, R ; Coward, D H ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Gibson, V ; Grafström, P ; Hagelberg, R et al.
A new measurement of the ratio of the CP-violating amplitudes for $K_{L} \to 2\pi^{0}$ and $K_{L} \to \pi^{+}\pi^{-}$ is reported. The measured value for $\Re = |\eta_{00} / \eta_{ +-}|^{2}$ is $0.9878 \pm 0.0026 \pm 0.0030$, where the first error is the statistical uncertainty and the second is the estimate of the systematic uncertainty. [...]
CERN-PPE-93-168.- Geneva : CERN, 1993 - 13 p. - Published in : Phys. Lett. B 317 (1993) 233-242 Fulltext: PDF; Source files restricted to CERN users: ZIP; - CERN library copies
9.
A measurement of the decay $K_{L} \rightarrow \pi^{0}\gamma\gamma$ / Barr, Giles David ; Buchholz, P ; Carosi, R ; Coward, D H ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Grafström, P ; Hagelberg, R ; Nelson, H N et al.
CERN-PPE-92-110.- Geneva : CERN, 1992 - 20 p. - Published in : Phys. Lett. B 284 (1992) 440-447 Fulltext: PDF; Source files restricted to CERN users: ZIP; - CERN library copies
10.
Observation of the decay $K^{0}_{L} \rightarrow\ e^{+}e^{-}e^{+}e^{-}$ / Barr, Giles David ; Carosi, R ; Coward, D H ; Cundy, Donald C ; Doble, Niels T ; Gatignon, L ; Gibson, V ; Grafström, P ; Hagelberg, R ; Van der Lans, J et al.
CERN-PPE-91-56.- Geneva : CERN, 1991 - 6 p. - Published in : Phys. Lett. B 259 (1991) 389-392 Fulltext: PDF; - CERN library copies

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