Study of e plus e-→ σ0σ over bar 0 and σ plus σ over bar - by initial state radiation method at Belle

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10476398" target="_blank" >RIV/00216208:11320/23:10476398 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=eRxDmB7YVO" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=eRxDmB7YVO</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevD.107.072008" target="_blank" >10.1103/PhysRevD.107.072008</a>

Result language
angličtina
Original language name
Study of e plus e-→ σ0σ over bar 0 and σ plus σ over bar - by initial state radiation method at Belle
Original language description
The processes e thorn e- -> sigma 0 sigma over bar 0 and e thorn e- -> sigma thorn sigma over bar - are studied using initial-state-radiation events in a sample of 980 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e thorn e- collider. The cross sections from the mass threshold to 3 GeV=c2 and the effective form factors of sigma 0 and sigma thorn are measured. In the charmonium region, we observe the decays J=yr -> sigma 0 sigma over bar 0 and J=yr -> sigma thorn sigma over bar - and determine the respective branching fractions.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10300 - Physical sciences

Project
<a href="/en/project/GA22-18469S" target="_blank" >GA22-18469S: Studies of the Beyond Standard Model phenomena in the flavor sector with the Belle II Experiment</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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