000002449 001__ 2449 000002449 005__ 20210624165358.0 000002449 037__ $$aBELLE2-CONF-PH-2021-002 000002449 041__ $$aeng 000002449 100__ $$aBelle II Collaboration 000002449 245__ $$aRediscovery of $\Bz\to\jpsi\KL$ at Belle II 000002449 260__ $$a$$c2021-06-23 000002449 300__ $$a16 000002449 520__ $$aWe present preliminary results on the reconstruction of the \bjpsikl decay, where $\jpsi\to\mumu$ or \epem. Using a dataset corresponding to a luminosity of $62.8\pm0.6\invfb$ collected by the Belle II experiment at the SuperKEKB asymmetric energy \epem collider, we measure a total of $267\pm21$ candidates with $\jpsi\to\mumu$ and $226\pm20$ with with $\jpsi\to\epem$. The quoted errors are statistical only. 000002449 6531_ $$aTDCPV 000002449 6531_ $$ab->ccs 000002449 8560_ $$fgiuseppe.finocchiaro@lnf.infn.it 000002449 8564_ $$uhttps://docs.belle2.org/record/2449/files/BELLE2-CONF-PH-2021-009.pdf