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Update of the e + e ? → π+π? cross section measured by the spherical neutral detector in the energy region 400 < √s < 1000 MeV |
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| Authors: | M N Achasov K I Beloborodov A V Berdyugin A G Bogdanchikov A V Bozhenok A D Bukin D A Bukin T V Dimova V P Druzhinin V B Golubev A A Korol S V Koshuba E V Pakhtusova S I Serednyakov Yu M Shatunov V A Sidorov Z K Silagadze A N Skrinsky Yu A Tikhonov A V Vasiljev |
| Institution: | (1) Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia;(2) Novosibirsk State University, Novosibirsk, 630090, Russia |
| Abstract: | The corrected cross section of the e + e − → π+π− process measured in the spherical neutral detector experiment at the VEPP-2M e + e − collider is presented. The update is necessary due to a flaw in the e + e − → π+π− and e + e − → μ+μ− Monte Carlo event generators used previously in data analysis. The text was submitted by the authors in English. |
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