The DIRAC experiment at CERN

Details The DIRAC experiment at CERN The DIRAC experiment at CERN

2003-05-12

arxiv.org/abs/hep-ph/0305121v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented at the XXXVIIIth Rencontres de Moriond session devoted to QCD and High Energy Hadronic Interactions. We give a

Scientific paper

The DIRAC experiment at CERN aims to measure the lifetime of the pionium atom ($A_{2\pi}$), a $\pi^+\pi^-$ bound state with an accuracy of 10%. The experimental setup consists of a high precision magnetic double arm spectrometer, located at the high intensity proton beam of the CERN Proton Synchrotron. This measurement will provide - in a model independent way - the S-wave pion scattering length difference $|a_0 - a_2|$ with 5% precision.

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