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CERN Document Server 2,025 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.17 sekúnd. 
1.
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The investigation of $K^+\pi^−, \pi^+K^−$ and $\pi^+\pi^−$ atoms / Yazkov, Valeriy (SINP, Moscow)
Theory, using Low Energy QCD, predicts with high precision the pion-pion and pion-kaon scattering lengths. There is accurate relation between $K^+\pi^−$ and $\pi^+K^-$ atoms lifetime and pion-kaon S-wave scattering lengths with isospin 1/2 and 3/2. [...]
DIRAC-CONF-2016-01.- 2016 - 6 p. - Published in : EPJ Web Conf. 130 (2016) 01015
In : 14th International Workshop on Meson Production, Properties and Interaction, Krakow, Poland, 2 - 7 Jun 2016, pp.01015
Úplný záznam - Podobné záznamy
2.
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Investigation of $\pi^+\pi^-, K^+\pi^-$ and $\pi^+K^-$ atoms for pion-pion and pion-kaon scattering length measurements / Yazkov, Valeriy (SINP, Moscow) /DIRAC Collaboration
Theory, using Low Energy QCD, calculated with high precision the $\pi\pi$ and $\pi K$ scattering length. Lifetime of $\pi^+\pi^−$ atoms are related with a difference of pion-pion s-wave scattering lengths with isospin 0 and 2: $|a_0 − a_2|$ [...]
DIRAC-CONF-2015-01.- 2015 - 6 p. External link: Fulltext
In : The XXII International Workshop High Energy Physics and Quantum Field Theory, Samara, Russia, 24 Jun - 1 Jul 2015
Úplný záznam - Podobné záznamy
3.
(89)
Observation of $\pi^- K^+$ and $\pi^+ K^-$ atoms / Yazkov, Valeriy (SINP, Moscow) /DIRAC
Experiment DIRAC at CERN PS detects 349 ± 62 pairs from $\pi^-K^+$ and $\pi^+K^-$ atoms and makes observation of exotic atoms consist of pion and kaon. It allows to measure a difference of S-wave pion-kaon scattering length with isospin 1/2 and 3/2: $|a{_0^{1/2}}−a{_0^{3/2}}|$. [...]
2018 - 10 p. - Published in : EPJ Web Conf. 181 (2018) 01036 Fulltext: PDF;
In : International Conference on Exotic Atoms and Related Topics, Vienna, Austria, 11 - 15 Sep 2017, pp.01036
Úplný záznam - Podobné záznamy
4.
(60)
Observation and investigation of $\pi$K atoms / Yazkov, Valeriy (SINP, Moscow) /DIRAC
There is accurate relation between lifetime of atoms, consisting of pion and kaon, and a difference of S-wave pion kaon scattering length with isospin 1/2 and 3/2: $\left | a_{1/2} - a_{3/2} \right |$. This difference is predicted by low energy QCD. [...]
2017 - 13 p. - Published in : EPJ Web Conf. 158 (2017) 03013 Fulltext: PDF;
In : The XXIII International Workshop on High Energy Physics and Quantum Field Theory, Yaroslavl, Russia, 26 Jun - 3 Jul 2017, pp.03013
Úplný záznam - Podobné záznamy
5.
(35)
Investigation of $\pi^+ \pi^-$ and $pi$K atoms at DIRAC / Yazkov, Valeriy (SINP, Moscow) /DIRAC Collaboration
Measurement of $π^+π^−$ and $πK$ atom lifetimes allows to check prediction of Chiral Perturbation Theory for pion-pion scattering lengths with isospin 0 and 2, and pion-kaon scattering lengths with isospin 1/2 and 3/2. Current status of DIRAC experiment, expected results and proposal for future investigations are presented..
DIRAC-CONF-2009-02.- 2009 - Published in : PoS: CD09 (2009) , pp. 003 Published version from PoS: PDF;
In : 6th International Workshop on Chiral Dynamics, Bern, Switzerland, 6 - 10 Jul 2009, pp.003
Úplný záznam - Podobné záznamy
6.
(18)
What is known about $\pi$K scattering lengths and the K$\pi$ atom lifetime? / Schacher, J (Bern U.)
DIRAC-NOTE-2010-09. - 2015. - 4 p.
Fulltext
Úplný záznam - Podobné záznamy
7.
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DIRAC experiment at CERN / Benelli, Angela (Dubna, JINR ; Zurich U.) /DIRAC collaboration
The precise measurements of $\pi^+\pi^-$ and $\pi K$ atom lifetime allow to check the predictions of Chiral Perturbation Theory for the pion-pion s-wave scattering lengths with isospin 0 and 2 and for the pion-kaon scattering lengths with isospin 1/2 and 3/2. The DIRAC experiment with the latest results is presented together with the proposal for future investigations..
DIRAC-CONF-2012-01.- 2012 - 6 p. - Published in : EPJ Web Conf. 37 (2012) 01011 Fulltext: PDF; Preprint: PDF;
In : 12th International Workshop on Meson Production, Properties and Interaction, Krakow, Poland, 31 May - 5 Jun 2012, pp.01011
Úplný záznam - Podobné záznamy
8.
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Extension of the axiomatic analyticity domain : kaon-kaon and pion-kaon scattering / Sommer, G
CERN-TH-769.- 1967 - Published in : Nuovo Cimento: 52 (1967) , pp. 850-865 Fulltext: PDF;
Úplný záznam - Podobné záznamy
9.
(15)
Estimation of beam time needed for measurement of pion-kaon s-wave scattering length combination $a_{\bar{0}}$ with a statistical accuracy 5% / Yazkov, V (SINP, Moscow)
Measurement of s-wave pion-kaon scattering length combina tion $a_{\bar{0}} = 1/3( a^{1/2}_0 − a^{3/2}_0)$ with an accuracy 5% provides check of prediction made by Chir al Perturbation theory and Lattice QCD. [...]
DIRAC-Note-2016-05. - 2016. - 14 p.
Fulltext
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Pion-kaon separation with a feed-forward neural network / De Groot, N ; Los, M E ; Tzamarias, S
1992
In : 2nd International Workshop on Software Engineering, Artificial Intelligence and Expert Systems for High-energy and Nuclear Physics: New Computing Techniques in Physics Research, La Londe-les-Maures, France, 13 - 18 Jan 1992, pp.397-403
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