Dresden 2013 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 61: Hadronenstruktur und -spektroskopie
HK 61.4: Talk
Thursday, March 7, 2013, 15:00–15:15, HSZ-105
Measurement of e+e−→π+π−π0 cross section via initial state radiation — Achim Denig1, •Yaqian Wang1, Changzheng Yuan2, and Xueyao Zhang3 — 1Institute of Nuclear Physics, Mainz, Germany — 2Institute of High Energy Physics, Beijing, China — 3Shandong University, Jinan, China
Based on the 2.9 pb−1 data with √s=3.773 GeV collected by the BESIII detector in Beijing, cross section of e+e−→π+π−π0 is measured with the ISR method. Depending on the angular distribution of the ISR photon, both the tagged and untagged method are performed to select the signal events.