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 Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

In the so-called yukawaon model, where the effective Yukawa couplingconstants Y_f^{eff} (f=e,\nu,u,d) are given by vacuum expectation values (VEVs)of gauge singlet scalars (yukawaons) Y_f with 3\times 3 components, i.e.Y_f^{eff}= y_f < Y_f>/\Lambda, massless (and light) scalars appear because aglobal flavor symmetry is assumed. In order to demonstrate whether suchmassless scalars in the yukawaon model are harmless or not, yukawaon masses areexplicitly estimated, as an example, in the charged lepton sector.

Can Massless and Light Yukawaons be Harmless?