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

We perform a detailed semi-analytical analysis of the electroweak phasetransition (EWPT) property in NMSSM, which serves as a good benchmark model inwhich the 126 GeV Higgs mixes with a singlet. In this case, a strongly firstorder electroweak phase transition (SFOEWPT) is achieved by the tree-leveleffects and the phase transition strength $\gamma_c$ is determined by the vacuaenergy gap at $T=0$. We make an anatomy of the energy gap at both tree-leveland loop-level and extract out a dimensionless phase transition parameter$R_\kappa \equiv 4 \kappa v_s / A_\kappa$, which can replace $A_\kappa$ in theparameterization and affect the light CP odd and even Higgs spectra. We findthat SFOEWPT only occurs in $R_\kappa \sim -1$ and positive $R_\kappa \lesssim\mathcal{O}(10)$, which in the non-PQ limit case would prefer either arelatively light CP odd or CP even Higgs boson $\sim (60, 100)$ GeV, thereforeserves as a smoking gun signal and requires new search strategies at the LHC.

New Insights of Electroweak Phase Transition in NMSSM