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CERN Document Server 2,035 records found  1 - 10próximoend  jump to record: Search took 0.21 seconds. 
1.
(100)
Test of CPT symmetry in the decays of neutral kaons / Baldo-Ceolin, Massimilla ; Barmin, V V ; Barylov, V G ; Davidenko, G V ; Demidov, V S ; Dolgolenko, A G ; Calimani, E ; Mattioli, F ; Meshkovsky, A G ; Miari, G et al.
The Bell-Steinberger unitarity relation is used along with the experimental data available to calculate the parameter of the CPT violation, Delta , and that of the T violation, epsilon , in the decays of K/sup 0/ mesons. It is shown that if the CP violation in three-pion decays of K/sup 0/ mesons is not greater than in two-pion decays, then the parameters Re Delta and Im Delta differ from zero by two standard deviations. [...]
1983 - Published in : JETP Lett. 38 (1983) 557-60
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2.
(91)
CPT-symmetry and neutral kaons / Barmin, V V ; Barylov, V G ; Chuvilo, I V ; Davidenko, G V ; Demidov, V S ; Dolgolenko, A G ; Meshkovsky, A G ; Okun, Lev Borisovich ; Shebanov, V A ; Baldo-Ceolin, Massimilla et al.
1984. - 32 p.
CERN library copies
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3.
(35)
Evidence for $\omega \to \pi^{0} + \gamma$ decay / Barmin, V V ; Dolgolenko, A G ; Krestnikov, Yu S ; Meshkovsky, A G ; Shebanov, VA ; Nikitin, Yu P
ITEF-161. - 1963. - 19 p.
Fulltext - Fulltext
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4.
(27)
Production of LAMBDA-hyperons and K$_{s}$0-mesons in annihilation of antiprotons in Xe nuclei at rest and at 0.4 - 0.9 GeV/c / Barmin, V V ; Barylov, V G ; Davidenko, G V ; Demidov, V S ; Dolgolenko, A G ; Golubchikov, V M ; Matveev, V A ; Meshkovsky, A G ; Mirosidi, G S ; Nikitenko, A N et al.
ITEF-90-19 ; ITEP-90-19. - 1990. - 12 p.
CERN library copies
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5.
(23)
An experiment to study rare $K_{s}$ decays using the 180 litre bubble chamber in a $K^{+}$ beam of the CERN Proton Synchotron / Barmin, V (Moscow, ITEP) ; Chuvilo, I (Moscow, ITEP) ; Davidenko, G (Moscow, ITEP) ; Demidov, V (Moscow, ITEP) ; Dolgolenko, A (Moscow, ITEP) ; Golubchikov, V (Moscow, ITEP) ; Konoplev, N (Moscow, ITEP) ; Meshkovsky, A (Moscow, ITEP) ; Shebanov, V (Moscow, ITEP) ; Baldo-Ceolin, M et al.
CERN-TCC-74-21. - 1974. - 19 p.
Full text
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6.
(19)
T and CPT violation in the neutral-kaon system / Dejardin, M (CERN) /CPLEAR Collaboration
The CPLEAR experiment measured decay rates of initially pure strangeness-tagged neutral kaons into hadronic and semileptonic final states. From these decay rates, parameters describing T and CPT violation have been measured to a high precision: Analysing semileptonic decays makes it possible to tag the kaon strangeness at the decay time and thus to compare K/sup 0/ to K/sup 0/ and K/sup 0/ to K/sup 0/ transition rates. [...]
Geneva : CERN, 2000 - Published in : Nucl. Phys. A 663-664 (2000) 915-8
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7.
(19)
Investigation of the charge-exchange $\pi^{-} + p \rightarrow n + \pi^{o}$ and $\pi^{-} + p \rightarrow n + \eta (\eta \rightarrow 2\gamma)$ reaction in the 1.25 - 4.5 BeV/c region / Barmin, V V ; Dolgolenko, A G ; Krestnikov, Yu S ; Meshkovsky, A G ; Shebanov, VA
ITEF-165. - 1963. - 12 p.
Fulltext - Fulltext
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8.
(18)
Tests of CPT with CPLEAR / Mikuz, M (CERN) /CPLEAR Collaboration
Measurements of K/sup 0//K/sup 0/ time dependent asymmetries in pionic and semileptonic decays with the CPLEAR detector enabled a complete determination of CPT violation parameters in the neutral kaon system. A global fit using the Bell-Steinberger relation yielded values for the CPT violation parameter in K/sup 0/ mixing Im( delta ) =(2.4+or-5.0)*10/sup -5/ and Re( delta )=(2.4+or-2.8)*10/sup -4/, the determination of the latter relying essentially on CPLEAR measurements. [...]
Geneva : CERN, 2000 - Published in : AIP Conf. Proc. 549 (2000) 905-909 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.905-9
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9.
(18)
The CPLEAR results on T and CPT symmetries in the neutral-kaon system / Kokkas, P (CERN) /CPLEAR Collaboration
We report the results of the CPLEAR experiment on T and CPT symmetries in the neutral-kaon system. CPLEAR has experimentally observed, for the first time, the violation of T invariance by a direct method using semileptonic decays. [...]
Geneva : CERN, 2000
In : International Europhysics Conference on High-Energy Physics, Tampere, Finland, 15 - 21 Jul 1999, pp.537-9
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10.
(15)
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
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