Open charm studies at Belle
We present the new results of measurements of the exlusive cross sections of the e+ e− annihilation to charmed meson pairs as a function of √ ceneter-of-mass energy from the open charm threashold up to s=6 GeV$ \sqrt s = {\rm{6 GeV}} $ using initial state radiation technique. The analysis is based o...
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doaj-a903d0353f694f928372f49eae99b4552021-08-02T07:31:39ZengEDP SciencesEPJ Web of Conferences2100-014X2019-01-012120900310.1051/epjconf/201921209003epjconf_phipsi18_09003Open charm studies at BelleZhukova Valentina0P.N. Lebedev Physical Institute of the Russian Academy of SciencesWe present the new results of measurements of the exlusive cross sections of the e+ e− annihilation to charmed meson pairs as a function of √ ceneter-of-mass energy from the open charm threashold up to s=6 GeV$ \sqrt s = {\rm{6 GeV}} $ using initial state radiation technique. The analysis is based on a data sample collected by the Belle detector with an integrated luminosity of 951 fb−1. The accuracy of the cross section measurement is increased by a factor of 2 in comparison with the first Belle study. We have performed the first angular analysis + −→ D*± D*∓ of the e+e−→D*±D*∓$ {e^{\rm{ + }}}{e^ - } \to {D^{* \pm }}{D^{* \mp }} $ process and decomposed this exclusive cross section into three components corresponding to the different D* helicities.https://www.epj-conferences.org/articles/epjconf/pdf/2019/17/epjconf_phipsi18_09003.pdf |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zhukova Valentina |
spellingShingle |
Zhukova Valentina Open charm studies at Belle EPJ Web of Conferences |
author_facet |
Zhukova Valentina |
author_sort |
Zhukova Valentina |
title |
Open charm studies at Belle |
title_short |
Open charm studies at Belle |
title_full |
Open charm studies at Belle |
title_fullStr |
Open charm studies at Belle |
title_full_unstemmed |
Open charm studies at Belle |
title_sort |
open charm studies at belle |
publisher |
EDP Sciences |
series |
EPJ Web of Conferences |
issn |
2100-014X |
publishDate |
2019-01-01 |
description |
We present the new results of measurements of the exlusive cross sections of the e+ e− annihilation to charmed meson pairs as a function of √ ceneter-of-mass energy from the open charm threashold up to s=6 GeV$ \sqrt s = {\rm{6 GeV}} $ using initial state radiation technique. The analysis is based on a data sample collected by the Belle detector with an integrated luminosity of 951 fb−1. The accuracy of the cross section measurement is increased by a factor of 2 in comparison with the first Belle study. We have performed the first angular analysis + −→ D*± D*∓ of the e+e−→D*±D*∓$ {e^{\rm{ + }}}{e^ - } \to {D^{* \pm }}{D^{* \mp }} $ process and decomposed this exclusive cross section into three components corresponding to the different D* helicities. |
url |
https://www.epj-conferences.org/articles/epjconf/pdf/2019/17/epjconf_phipsi18_09003.pdf |
work_keys_str_mv |
AT zhukovavalentina opencharmstudiesatbelle |
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