Measurements of cross section of e+e→pp¯π0 at center-of-mass energies between 4.008 and 4.600 GeV

BESIII Collaboration

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Based on e+e annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center-of-mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section of e+e→pp¯π0 are performed. No significant resonant structure is observed in the measured energy dependence of the cross section. The upper limit on the Born cross section of e+e→Y(4260)→pp¯π0 at the 90% C.L. is determined to be 0.01 pb. The upper limit on the ratio of the branching fractions [Formula presented] at the 90% C.L. is determined to be 0.02%.

Lingua originaleInglese
pagine (da-a)45-51
Numero di pagine7
RivistaPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume771
DOI
Stato di pubblicazionePubblicato - 10 ago 2017
Pubblicato esternamente

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