English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Masses of pseudoscalar and vector mesons, which are ground states of lightor/and heavy quarks and antiquarks, have been calculated in the framework of anextended model of quasi-independent quarks with absolute uncertainties about 30MeV. It is shown that the assumption on equidistant discrete levels for a meanfield energy does not contradict to existing data and permits to reduce anumber of model parameters. It is obtained, that a difference betweenneighbouring mean field energy levels is flavour independent. Values ofspin-spin interaction between quarks and antiquarks with different flavours inpseudoscalar and vector mesons are presented.

Calculation of pseudoscalar and vector mesons' masses in extended model of quasi-independent quarks