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/

Zendy Plus

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

Zendy Tools

Zendy Open

We discuss the sensitivity of the $\gamma \gamma \to \tau^+ \tau^-$ processin ultraperipheral Pb+Pb collisions on the anomalous magnetic ($a_{\tau}$) andelectric ($d_{\tau}$) moments of $\tau$ lepton at LHC energies. We derive thecorresponding cross sections by folding the elementary cross section with theheavy-ion photon fluxes and considering semi-leptonic decays of both $\tau$leptons in the fiducial volume of ATLAS and CMS detectors. We presentpredictions for total and differential cross sections, and for the ratios to$\gamma \gamma \to e^+ e^- (\mu^+ \mu^-$) process. These ratios allow to canceltheoretical and experimental uncertainties when performing precisionmeasurement of $a_{\tau}$ at the LHC. The expected limits on $a_{\tau}$ withexisting Pb+Pb dataset are found to be better by a factor of two comparing tocurrent best experimental limits and can be further improved by another factorof two at High Luminosity LHC.

Anomalous electromagnetic moments of $\tau$ lepton in $\gamma \gamma \to \tau^+ \tau^-$ reaction in Pb+Pb collisions at the LHC