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

The BESIII Collaboration

Результат исследования: Научные публикации в периодических изданияхстатья

5 Цитирования (Scopus)

Аннотация

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%.

Язык оригиналаанглийский
Страницы (с-по)45-51
Число страниц7
ЖурналPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Том771
DOI
СостояниеОпубликовано - 10 авг 2017

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