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The $e^+ e^-$ and $π^+ π^-$ pair peak positions in the relative momentum components spectra
One of the main problem in the metastable π+ π- bound states observation in the DIRAC Experiment is the separation of π+ and π- pairs produced in Be target and pairs, produced by breakdown metastable atoms in Pt foil . Therefore we used a horizontal magnetic field to separate these π+ π- pairs . In...
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| Lenguaje: | eng |
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2014
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| Acceso en línea: | http://cds.cern.ch/record/1755644 |