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Observation and investigation of $\pi$K atoms
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. Experiment DIRAC at CERN PS detects $349 \pm 62$ p...
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| Lenguaje: | eng |
| Publicado: |
2017
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| Acceso en línea: | https://dx.doi.org/10.1051/epjconf/201715803013 http://cds.cern.ch/record/2311926 |
| _version_ | 1780957942740156416 |
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| author | Yazkov, Valeriy |
| author_facet | Yazkov, Valeriy |
| author_sort | Yazkov, Valeriy |
| collection | CERN |
| description | 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. Experiment DIRAC at CERN PS detects $349 \pm 62$ pairs from $K^+ \pi^−$ and $\pi^+ K^−$ atoms and make observation of exotic atoms consist of pion and kaons and provides way for measurement of pion-kaon scattering length difference and check of theoretical predictions. |
| id | oai-inspirehep.net-1632566 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2017 |
| record_format | invenio |
| spelling | oai-inspirehep.net-16325662021-06-23T09:22:00Zdoi:10.1051/epjconf/201715803013http://cds.cern.ch/record/2311926engYazkov, ValeriyObservation and investigation of $\pi$K atomsNuclear Physics - ExperimentThere 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. Experiment DIRAC at CERN PS detects $349 \pm 62$ pairs from $K^+ \pi^−$ and $\pi^+ K^−$ atoms and make observation of exotic atoms consist of pion and kaons and provides way for measurement of pion-kaon scattering length difference and check of theoretical predictions.oai:inspirehep.net:16325662017 |
| spellingShingle | Nuclear Physics - Experiment Yazkov, Valeriy Observation and investigation of $\pi$K atoms |
| title | Observation and investigation of $\pi$K atoms |
| title_full | Observation and investigation of $\pi$K atoms |
| title_fullStr | Observation and investigation of $\pi$K atoms |
| title_full_unstemmed | Observation and investigation of $\pi$K atoms |
| title_short | Observation and investigation of $\pi$K atoms |
| title_sort | observation and investigation of $\pi$k atoms |
| topic | Nuclear Physics - Experiment |
| url | https://dx.doi.org/10.1051/epjconf/201715803013 http://cds.cern.ch/record/2311926 |
| work_keys_str_mv | AT yazkovvaleriy observationandinvestigationofpikatoms |