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CERN Document Server Znaleziono 88 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.59 sekund. 
1.
First evidence for direct CP violation / CERN-Dortmund-Edinburgh-Mainz-Orsay-Pisa-Siegen Collaboration
LAL-88-36.- Orsay : LAL, 1988 - 11 p. Fulltext: PDF;
In : 23rd Rencontres de Moriond, Les Arcs, France, 6 - 13 Mar 1988, pp.335-344
CP violation, Les Arcs, France, 6 - 13 Mar 1988, pp.75-82
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2.
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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3.
Search for direct CP violating charge asymmetries in $K^\pm\to\pi^\pm\pi^+\pi^-$ and $K^\pm\to\pi^\pm\pi^0\pi^0$ decays / NA48/2 Collaboration
A measurement of the direct CP violating charge asymmetries of the Dalitz plot linear slopes $A_g=(g^+-g^-)/(g^++g^-)$ in $K^\pm\to\pi^\pm\pi^+\pi^-$ and $K^\pm\to\pi^\pm\pi^0\pi^0$ decays by the NA48/2 experiment at CERN SPS is presented. A new technique of asymmetry measurement involving simultaneous $K^+$ and $K^-$ beams and a large data sample collected allowed a result of an unprecedented precision. [...]
arXiv:0707.0697; CERN-PH-EP-2007-021; CERN-PH-EP-2007-021.- Geneva : CERN, 2007 - 28 p. - Published in : Eur. Phys. J. C 52 (2007) 875-891 Fulltext: phep-2007-021 - PDF; arXiv:0707.0697 - PDF; External link: Fulltext
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4.
Measurement of the Dalitz plot slopes of the $K^{\pm} \to \pi^{\pm}\pi^{+}\pi^{-}$ decay / NA48/2 Collaboration
The distribution of the $K^{\pm} \to \pi^{\pm}\pi^{+}\pi^{-}$ decays in the Dalitz plot has been measured by the NA48/2 experiment at the CERN SPS with a sample of $4.71 \times 10^{8}$ fully reconstructed events. With the standard Particle Data Group parameterization the following values of the slope parameters were obtained: $g=(-21.134 \pm 0.014)$%, $h=(1.848 \pm 0.039)$%, $k=(-0.463 \pm 0.012)$%. [...]
hep-ex/0702045; CERN-PH-EP-2007-002; CERN-PH-EP-2007-002.- Geneva : CERN, 2007 - 14 p. - Published in : Phys. Lett. B 649 (2007) 349-358 Fulltext: arXiv:hep-ex_0702045 - PDF; phep-2007-002 - PDF;
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5.
Measurements of charged kaon semileptonic decay branching fractions $K^{\pm} \to \pi^{0} \mu^{\pm} \nu$ and $K^{\pm} \to \pi^{0} e^{\pm} \nu$ and their ratio / NA48/2 Collaboration
Measured ratios of decay rates for Ke3/K2\pi, K\mu3/K2\pi and K\mu3/Ke3 are presented. These measurements are based on K^+- decays collected in a dedicated run in 2003 by the NA48/2 experiment at CERN. [...]
hep-ex/0702015; CERN-PH-EP-2006-039; CERN-PH-EP-2006-039.- Geneva : CERN, 2007 - 20 p. Fulltext: arXiv:hep-ex_0702015 - PDF; phep-2006-039 - PDF; 0702015 - PDF; External link: hep-ex/0702015 PDF
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6.
Search for direct CP-violation in $K^{\pm}\to \pi^{\pm}\pi^{0}\pi^{0}$ decays / NA48/2 Collaboration
A search for direct CP-violation in K+- --> pi+-pi0pi0 decays based on 47.14 million events has been performed by the NA48/2 experiment at the CERN SPS. The asymmetry in the Dalitz plot linear slopes A_g=(g^+ - g^-)/(g^+ + g^-) is measured to be A_g=(1.8 +- 2.6).10^{-4}. [...]
hep-ex/0606007.- 2006 - 14 p. Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/0606007 PDF
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7.
Search for direct CP violation in the decays $K^{\pm} \to 3\pi^{\pm}$ / NA48/2 Collaboration
We report a measurement of the direct CP violation asymmetry parameter $A_g$ in charged kaon decays $K^\pm\to\pi^\pm\pi^+\pi^-$ by the NA48/2 experiment at the CERN SPS. The experiment has been designed not to be limited by systematics in the asymmetry measurement. [...]
hep-ex/0602014.- 2006 - 14 p. - Published in : Phys. Lett. B 634 (2006) 474-482 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/0602014 PDF
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8.
Observation of a cusp-like structure in the $\pi^{0}\pi^{0}$ invariant mass distribution from $K^{+-} \to \pi^{+-}\pi^{0}\pi^{0}$ decay and determination of the $\pi\pi$ scattering lengths / NA48/2 Collaboration
We report the results from a study of ~23 Million K+- ==> pi+- pizero pizero decays recorded by the NA48/2 experiment at the CERN SPS, showing an anomaly in the pizero pizero invariant mass distribution in the region around 2m+, where m+ is the charged pion mass. This anomaly, never observed in previous experiments, can be interpreted as an effect due mainly to the final state charge exchange scattering process pi+ pi- ==> pizero pizero in K+- ==> pi+- pi+ pi- decay. [...]
hep-ex/0511056.- 2006 - 16 p. - Published in : Phys. Lett. B 633 (2006) 173-182 Access to fulltext document: PDF; Fulltext: arXiv:hep-ex_0511056 - PDF; S0370269305017570 - XML; External link: hep-ex/0511056 PDF
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9.
Inclusive photoproduction of charged particles in the forward hemisphere / Boyarski, A M ; Coward, D H ; Ecklund, S D ; Richter, Burton ; Sherden, D J ; Slemann, R N ; Sinclair, C K
SLAC-PUB-1694. - 1975. - 120 p.
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10.
A-dependence of high-energy inelastic electron-nucleus scattering / Ditzler, W R ; Bloom, Elliott D ; Breidenbach, M ; Cottrell, R L A ; Coward, D H ; De Staebler, H C ; Friedman, Jerome Isaac ; Jordan, C L ; Kendall, H W ; Piel, H et al.
SLAC-PUB-1543. - 1975. - 11 p.
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CERN Document Server : Znaleziono 88 rekordów   1 - 10następnykoniec  skocz do rekordu:
Zobacz też: podobne nazwiska autorów
53 Coward, D
83 Coward, D M
24 Coward, D.
11 Coward, D.H.
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3 Coward, Danny
38 Coward, David
3 Coward, David M
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