Measurement of the pion form factor at BESIII in the rho-peak region relevant for (g — 2)μ

C F Redmer; BESIII Collaboration

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Measurement of the pion form factor at BESIII in the rho-peak region relevant for (g — 2)μ

机译：与（g_2）μ相关的r-峰区域中BESIII处的离子形式因子的测量

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Measurementsofhadroniccrosssectionsine+e-collisionsareanimportantinputfortheStandardModelcalculationsofthehadroniccontributiontotheanomalousmagneticmomentofthemuon,(g—2)μ.Wepresentanewmeasurementofthecrosssectione+e-→π+π-,thepionformfactor,whichdominatesthehadroniccontribution.Usingthemethodofinitialstateradiation,2.93fb-1ofdatatakenwiththeBESIIIdetectorattheψ(3770)peakhavebeenevaluatedtodeterminethecrosssectionintheenergyrangebetween600and900MeVwithasystematicuncertaintyof0.9%.ThenewBESIIIdataarecomparedtopreviousmeasurementsbyKLOEandBaBar,andtheirimpacton(g—2)μisdiscussed...

机译：Measurementsofhadroniccrosssectionsine + E-collisionsareanimportantinputfortheStandardModelcalculationsofthehadroniccontributiontotheanomalousmagneticmomentofthemuon，（G-2）μ.Wepresentanewmeasurementofthecrosssectione+ E-→π+π-，thepionformfactor，whichdominatesthehadroniccontribution.Usingthemethodofinitialstateradiation，2.93fb-1ofdatatakenwiththeBESIIIdetectorattheψ（3770）peakhavebeenevaluatedtodeterminethecrosssectionintheenergyrangebetween600and900MeVwithasystematicuncertaintyof0.9％.ThenewBESIIIdataarecomparedtopreviousmeasurementsbyKLOEandBaBar，andtheirimpacton（G-2）μisdiscussed ...

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《Journal of Physics: Conference Series》 |2016年第1期|共页
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C F Redmer; BESIII Collaboration;
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2. Pion Form Factor Measurement at BESIII [J] . M. Ripka Acta physica Polonica, B. Particle Physics and Field Theory, Nuclear Physics, Theory of Relativity . 2015,第11期

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机译：在BEsIII测量强子形状因子

Measurement of the pion form factor at BESIII in the rho-peak region relevant for (g — 2)μ

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