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Measurement of the branching ratio of the decay $\Xi^{0} \rightarrow \Sigma^{+} \mu^{-} \overline{\nu}_{\mu}$ / NA48/1 Collaboration
From the 2002 data taking with a neutral kaon beam extracted from the CERN-SPS, the NA48/1 experiment observed 97 $\Xi^{0}\rightarrow \Sigma^{+} \mu^{-} \bar{\nu}_{\mu}$ candidates with a background contamination of $30.8 \pm 4.2$ events. From this sample, the BR($\Xi^{0}\rightarrow \Sigma^{+} \mu^{-} \bar{\nu}_{\mu}$) is measured to be $(2.17 \pm 0.32_{\mathrm{stat}}\pm 0.17_{\mathrm{syst}})\times10^{-6}$..
arXiv:1212.3131; CERN-PH-EP-2012-288; CERN-PH-EP-2012-288.- Geneva : CERN, 2013-03-13 - 10 p. - Published in : Phys. Lett. B 720 (2013) 105-110 Draft (restricted): PDF; Fulltext: muon_paper_accepted - PDF; arXiv:1212.3131 - PDF; Preprint: PDF; External link: Preprint

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New precise measurements of the $\Xi^{0} \to \Lambda \gamma$ and $\Xi^{0} \to \Sigma^{0}\gamma$ decay asymmetries / NA48/1 Collaboration
The decay asymmetries of the weak radiative Hyperon decays $\Xi^{0}\to \Lambda \gamma$ and $\Xi^{0} \to \Sigma^{0}\gamma$ have been measured with high precision using data of the NA48/1 experiment at CERN. From about 52000 $\Xi^{0}\to \Lambda \gamma$ and 15000 $\Xi^{0} \to \Sigma^{0}\gamma$ decays, we obtain for the decay asymmetries $\alpha_{\Xi^{0}\to \Lambda\gamma}$ = -0.704 +- 0.019$_{stat}$ +- 0.064$_{syst}$ and $\alpha_{\Xi^{0}\to \Sigma^{0}\gamma}$ = -0.729 +- 0.030$_{stat}$ +- 0.076$_{syst}$, respectively. [...]
arXiv:1009.3844; CERN-PH-EP-2010-032; CERN-PH-EP-2010-032.- Geneva : CERN, 2010 - 14 p. - Published in : Phys. Lett. B 693 (2010) 241-248 Fulltext: CERN-PH-EP-2010-032 - PDF; arXiv:1009.3844 - PDF; External link: Rivet analyses reference

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Precision measurement of the ratio BR($K_{S} \to \pi^{+}\pi^{-}e^{+}e^{-}$)/BR($K_{L} \to \pi^{+}\pi^{-}\pi^{0}_{D}$) / NA48 Collaboration
The $K_{S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decay mode was investigated using the data collected in 2002 by the NA48/1 collaboration. With about 23,k $K_{S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ events and 59,k $K_{L} \rightarrow \pi^{+}\pi^{-}\pi^{0}_{D}$ normalization decays, the $K_{S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ branching ratio relative to the $K_{L}\rightarrow \pi^{+}\pi^{-}\pi^{0}_{D}$ one was determined to be BR($K_{S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$)/BR($K_{L} \rightarrow \pi^{+}\pi^{-}\pi^{0}_{D}$) = $ (3.28 \pm 0.06_{stat}\pm 0.04_{syst})\times 10^{-2}$. [...]
CERN-PH-EP-2010-025.- Geneva : CERN, 2011 - 17 p. - Published in : Phys. Lett. B 694 (2011) 301-309 Fulltext: PDF;

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Measurement of the polarization of the Ξ0 (Ξ0) hyperon beam by the NA48/1 experiment / NA48/1 Collaboration
A total of 368 415 Ξ0 →Λπ0 and 31 171 Ξ0 →Λπ0 were selected from data recorded in the NA48/1 experiment during 2002 data taking. From this sample, the polarization of Ξ0 and Ξ0 hyperons was measured to be PΞ0 = −0.102 ± 0.012(stat) ± 0.008(syst) and P Ξ0 = −0.01 ± 0.04(stat) ± 0.008(syst). [...]
2009 - Published in : Phys. Lett. B 681 (2009) 406-412

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5.1 Survey of some bubble chamber liquids / Kalmus, G E
CERN, 1959 Fulltext: PDF;
In : Informal Meeting on Heavy-liquid Bubble Chambers, CERN, Geneva, Switzerland, 26 - 27 Jan 1959, pp.33-38 (CERN-1959-024)

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First observation and measurement of the decay $K^{\pm} \to\pi^{\pm}e^{+}e^{-}\gamma$ / NA48/2 Collaboration
Using the full data set of the NA48/2 experiment, the decay $K^{\pm} \rightarrow \pi^{\pm} e^{+} e^{-}\gamma$ is observed for the first time, selecting 120 candidates with $7.3 \pm 1.7$ estimated background events. With $K^{\pm} \rightarrow \pi^{\pm} \pi^{0}_{D}$ as normalisation channel, the branching ratio is determined in a model-independent way to be Br$(K^{\pm} \rightarrow \pi^{\pm} e^{+} e^{-}\gamma, m_{ee\gamma} > 260$ MeV/c$^{2}) = (1.19 \pm 0.12_{stat} \pm 0.04_{syst}) \times 10^{-8}$. [...]
arXiv:0711.4313; CERN-PH-EP-2007-033; CERN-PH-EP-2007-033.- 2008 - 13 p. - Published in : Phys. Lett. B 659 (2008) 493-499 Fulltext: PDF; External link: Fulltext

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New high statistics measurement of $K_{e4}$ decay form factors and $\pi\pi$ scattering phase shifts / NA48/2 Collaboration
We report results from a new measurement of the $K_{e4}$ decay $K^{\pm} \rightarrow \pi^{+}\pi^{-}e^{\pm}\nu$ by the NA48/2 collaboration at the CERN SPS, based on a partial sample of more than 670000 $K_{e4}$ decays in both charged modes collected in 2003. The form factors of the hadronic current (F, G, H) and $\pi\pi$ phase difference ($\delta=\delta_{s}-\delta_{p}$) have been measured in ten independent bins of the $\pi\pi$ mass spectrum to investigate the variation. [...]
CERN-PH-EP-2007-035.- Geneva : CERN, 2008 - 24 p. - Published in : Eur. Phys. J. C 54 (2008) 411-423 Springer Open Access article: PDF;

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Determination of the relative decay rate $K_{S} \to \pi e \nu$ / $K_{L} \to \pi e \nu$ / NA48 Collaboration
The decay rate of $K_{S} \to \pi e \nu$ relative to the rate of $K_{L} \to \pi e \nu$ has been measured by the NA48 collaboration in a neutral Kaon beam originating from 400 GeV proton-Be interactions at the CERN SPS. The result is $0.993 \pm 0.026_{stat} \pm 0.022_{syst}$, compatible with 1 in agreement with the Standard Model prediction at tree level. [...]
CERN-PH-EP-2007-014.- Geneva : CERN, 2007 - 9 p. - Published in : Phys. Lett. B 653 (2007) 145-150 Fulltext: PDF;

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Measurements of the $\Xi^0$ lifetime and the $\overline{\Xi^0}/\Xi^0$ flux ratio in a neutral beam / NA48/1 Collaboration
A total of 235 698 Xi0 -> Lambda pi0 and 21 527 anti-Xi0 -> anti-Lambda pi0 decays were selected from data obtained by the NA48/1 experiment at CERN. [...]
CERN-PH-EP-2007-015. - 2007. - 16 p.
Fulltext

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10.

The Beam and detector for the NA48 neutral kaon CP violation experiment at CERN / NA48 Collaboration
The beam and detector, used for the NA48 experiment, devoted to the measurement of $\Re(\epsilon^{\prime}/\epsilon)$, and for the NA48/1 experiment on rare $K_{S}$ and neutral hyperon decays, are described..
CERN-PH-EP-2007-006.- Geneva : CERN, 2007 - 57 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 574 (2007) 433-471 Fulltext: PDF;

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Se også: lignende forfatternavn
8	Kalmus, G
22	Kalmus, G E
1	Kalmus, G W
18	Kalmus, G.
3	Kalmus, George
1	Kalmus, George E.
168	Kalmus, George Ernest

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