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CERN Document Server Pronađeno je 83 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 1.38 sekundi 
1.
CP, T and CPT at CPLEAR / Filipcic, Andrej (Stefan Inst., Ljubljana) ; Angelopoulos, A (Athens U.) ; Apostolakis, A (Athens U.) ; Aslanides, E (Marseille, CPPM) ; Backenstoss, G (Basel U.) ; Bargassa, P (PSI, Villigen) ; Behnke, O (Zurich, ETH) ; Benelli, A (Basel U.) ; Bertin, V (Marseille, CPPM) ; Blanc, F (Fribourg U. ; PSI, Villigen) et al. /CPLEAR
Using strangeness tagging at production time, CPLEAR measures time-dependent decay rate asymmetries between $K^0$ and $\bar{K}^0$, for picnic and semileptonic decays. Parameters describing CP, T, and CPT violation can be obtained with high precision. [...]
Hanoi : The Gioi, 2001 - 6 p. - Published in : , pp. 149-154 Fulltext: PDF;
In : 34th Rencontres de Moriond, Les Arcs, France, 13 - 20 Mar 1999, pp.149-154
2.
First direct observation of time-reversal violation / CPLEAR Collaboration
2000 - Published in : AIP Conf. Proc. 549 (2000) 957-960 External link: Published version from AIP
In : 7th Conference on the Intersections between Particle and Nuclear Physics, Quebec City, Canada, 22 - 28 May 2000, pp.957-960
3.
Physics at CPLEAR / CPLEAR Collaboration
2003 - Published in : Phys. Rep. 374 (2003) 165-270
4.
Experimental measurement of the KSKS/KSKL ratio in antiproton annihilations at rest in gaseous hydrogen at 15 and 27 bar / CPLEAR Collaboration
1997 - Published in : Phys. Lett. B 403 (1997) 383-389
5.
$T$-violation and $CPT$-invariance measurements in the CPLEAR experiment : a detailed description of the analysis of neutral-kaon decays to $e\pi\nu$ / CPLEAR Collaboration
A detailed description of the analysis of neutral kaons decaying to \pen\ is given, based on the complete set of data collected with the CPLEAR experiment. Using a novel approach involving initially strangeness-tagged \kn\ and \knb , time-dependent decay-rate asymmetries were measured. [...]
CERN-EP-2001-060.- Geneva : CERN, 2001 - 36 p. - Published in : Eur. Phys. J. C 22 (2001) 55-79 Fulltext: PDF; - CERN library copies
6.
$K^{0} \leftrightharpoons \overline{K}^0$ transitions monitored by strong interactions : a new determination of the $K_{L} - K_{S}$ mass difference / CPLEAR Collaboration
The CPLEAR set-up (modified) has been used to determine the K/sub L/- K/sub S/ mass difference by a method where neutral-kaon strangeness oscillations are monitored through kaon strong interactions, rather than semileptonic decays, thus requiring no assumptions on CPT invariance for the decay amplitudes. The result, Delta m= (0.5343+or-0.0063/sub stat/+or-0.0025/sub syst/)*10/sup 10/ h(cross) /s, provides a valuable input for CPT tests. [...]
Geneva : CERN, 2001 - Published in : Phys. Lett. B 503 (2001) 49-57 Access to fulltext document: PDF;
7.
A review of the latest CPLEAR results on $T$ violation and $CPT$ invariance in the neutral-kaon system / Zavrtanik, D ; Angelopoulos, Angelos ; Apostolakis, Alcibiades J ; Aslanides, Elie ; Backenstoss, Gerhard ; Bargassa, P ; Behnke, O ; Benelli, A ; Bertin, V ; Blanc, F et al.
The CPLEAR experiment has studied the symmetries which may exist between matter and antimatter by comparing the time evolution of K /sup 0/ and K/sup 0/. A number of measurements allowed the determination, with high precision and in a rather complete way, of the parameters of the time evolution and the related symmetry properties. [...]
Geneva : CERN, 2001 - Published in : Nucl. Phys. B, Proc. Suppl. 93 (2001) 276-82
8.
Experimental tests of CPT invariance / CPLEAR Collaboration
The CPLEAR experiment at CERN has directly studied matter and antimatter symmetries via the measurement of the time evolution of K /sup 0/ and K/sup 0/. The CPT violation parameter Re( delta ) was directly measured with a precision of a few 10/sup -4/ while Im( delta ) is determined from the Bell-Steinberger relation, with a precision of 10/sup -5/ The mass and decay-width equality between the K/sup 0/ and K/sup 0/ were tested down to the level of 10/sup -18/ Ge V. [...]
Geneva : CERN, 2000 - Published in : AIP Conf. Proc. 540 (2000) 305-313
In : 2nd Tropical Workshop on Particle Physics and Cosmology : Neutrino and Flavor Physics, San Juan, Puerto Rico, 1 - 5 May 2000, pp.305-313
9.
Results on CP, T, CPT symmetries with tagged $K^{0} and K^{0}$ by CPLEAR / CPLEAR Collaboration
We report the results of the CPLEAR experiment on CP-, T- and CPT- symmetries in the neutral kaon system. CPLEAR has experimentally determined, for the first time, the violation of T invariance by a direct method using semileptonic decays. [...]
Geneva : CERN, 1999
In : 29th International Conference on High-energy Physics, Vancouver, Canada, 23 - 29 Jul 1998, pp.1006-10
10.
CPLEAR results on CP, T and CPT violation parameters / CPLEAR Collaboration
Geneva : CERN, 2000
In : International Workshop on $e^+ e^-$ Collisions from $\phi$ to J/psi, Novosibirsk, Russian Federation, 1 - 5 Mar 1999, pp.238-244

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