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 report the first observation of $B_s^0\to J/\psi f_0(980)$ and firstevidence for $B_s^0\to J/\psi f_0(1370)$, which are CP eigenstate decay modes.These results are obtained from $121.4\;\mathrm{fb}^{-1}$ of data collected atthe $\Upsilon(5S)$ resonance with the Belle detector at the KEKB $e^+e^-$collider. We measure the branching fractions $\mathcal{B}(B_s^0\to J/\psif_0(980);f_0(980)\to\pi^+\pi^-)=(1.16^{+0.31}_{-0.19}(\mathrm{stat.})^{+0.15}_{-0.17}(\mathrm{syst.})^{+0.26}_{-0.18}(N_{B_s^{(*)}\barB_s^{(*)}})) \times 10^{-4}$ with a significance of $8.4\sigma$, and$\mathcal{B}(B_s^0\to J/\psif_0(1370);f_0(1370)\to\pi^+\pi^-)=(0.34^{+0.11}_{-0.14}(\mathrm{stat.})^{+0.03}_{-0.02}(\mathrm{syst.})^{+0.08}_{-0.05}(N_{B_s^{(*)}\barB_s^{(*)}})) \times 10^{-4}$ with a significance of $4.2\sigma$. The last errorlisted is due to uncertainty in the number of produced $B_s^{(*)}\barB_s^{(*)}$ pairs.

Observation of $B_s^0\to J/\psi f_0(980)$ and Evidence for $B_s^0\to J/\psi f_0(1370)$