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Accueil du site > Publications récentes > Feasibility study for the measurement of πN transition distribution amplitudes at ¯PANDA in ¯pp→J/ψπ0

Feasibility study for the measurement of πN transition distribution amplitudes at ¯PANDA in ¯pp→J/ψπ0

B. Singh et al. (PANDA collaboration)

Abstract

The exclusive charmonium production process in ¯pp annihilation with an associated π0 meson ¯ppJ/ψπ0 is studied in the framework of QCD collinear factorization. The feasibility of measuring this reaction through the J/ψe+e decay channel with the AntiProton ANnihilation at DArmstadt (¯PANDA) experiment is investigated. Simulations on signal reconstruction efficiency as well as the background rejection from various sources including the ¯ppπ+ππ0 and ¯ppJ/ψπ0π0 reactions are performed with PandaRoot, the simulation and analysis software framework of the ¯PANDA experiment. It is shown that the measurement can be done at ¯PANDA with significant constraining power under the assumption of an integrated luminosity attainable in four to five months of data taking at the maximum design luminosity.

Voir en ligne : Phys. Rev. D95, (2017) 032003


 

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