1 Ocak 2017 Dergi makalesi Açık Erişim

CERN İşbirliği

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    <subfield code="a">&lt;p&gt;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 ${e}^{+}{e}^{-}\to p\overline{p}{\pi }^{0}$ 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 ${e}^{+}{e}^{-}\to Y\left(4260\right)\to p\overline{p}{\pi }^{0}$ at the 90% C.L. is determined to be 0.01 pb. The upper limit on the ratio of the branching fractions $\frac{B\left(Y\left(4260\right)\to p\overline{p}{\pi }^{0}\right)}{B\left(Y\left(4260\right)\to {\pi }^{+}{\pi }^{-}J/\psi \right)}$ at the 90% C.L. is determined to be 0.02%.&lt;/p&gt;</subfield>
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    <subfield code="a">10.1016/j.physletb.2017.05.033</subfield>
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    <subfield code="a">Measurements of cross section of at center-of-mass energies between 4.008 and 4.600 GeV</subfield>
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