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

By two-color photoassociation of $^{40}$Ca four weakly bound vibrationallevels in the Ca$_2$ \Xpot ground state potential were measured, using highlyspin-forbidden transitions to intermediate states of the coupled system$^3\Pi_{u}$ and $^3\Sigma^+ _{u}$ near the ${^3P_1}$+${^1S_0}$ asymptote. Fromthe observed binding energies, including the least bound state, the long rangedispersion coefficients $\mathrm{C}_6, \mathrm{C}_8,\mathrm{C}_{10}$ and aprecise value for the s-wave scattering length of 308.5(50)~$a_0$ were derived.From mass scaling we also calculated the corresponding scattering length forother natural isotopes. From the Autler-Townes splitting of the spectra, themolecular Rabi frequency has been determined as function of the laser intensityfor one bound-bound transition. The observed value for the Rabi-frequency is ingood agreement with calculated transition moments based on the derivedpotentials, assuming a dipole moment being independent of internuclearseparation for the atomic pair model.

Ground-state properties of Ca$_2$ from narrow line two-color photoassociation