EPJ Web of Conferences
Volume 172, 2018XLVII International Symposium on Multiparticle Dynamics (ISMD 2017)
|Number of page(s)||8|
|Section||Proton structure small and large-x physics|
|Published online||26 January 2018|
Measurement of hadronic form factors at BESIII
Institute of High Energy Physics, CAS, Beijing, China.
* e-mail: firstname.lastname@example.org
Published online: 26 January 2018
The measurements of hadronic form factors of three modes using the data samples collected with the BESIII detector at BEPCII collider are presented. The cross section of e+e- → p p̅ at 12 energies from 2232.4 to 3671.0 MeV are measured, the electromagnetic form factor is deduced, and the ratio |GE/GM| is extracted by fitting the polar angle distribution. The preliminary results about the form factors of e+e- → ∧c+ ⊼c- will also be described. The cross section of e+e- → π+ π-between effective center-of-mass energy 600 and 900 MeV is measured by the ISR return method using the data set with the integrated luminosity of 2.93 fb-1 taken at ψ(3773) peak, the pion form factor is extracted.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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