%AJia, S.%ATang, S.%AShen, C.%AAdachi, I.%AAihara, H.%AAl Said, S.%AAsner, D.%AAulchenko, V.%AAushev, T.%AAyad, R.%ABabu, V.%ABahinipati, S.%ABehera, P.%ABennett, J.%ABessner, M.%ABilka, T.%ABiswal, J.%ABobrov, A.%ABonvicini, G.%ABozek, A.%ABračko, M.%ABrowder, T.%ACampajola, M.%AČervenkov, D.%AChang, M.-C.%AChekelian, V.%AChen, A.%ACheon, B.%AChilikin, K.%ACho, H.%ACho, K.%ACho, S.-J.%AChoi, S.-K.%AChoi, Y.%AChoudhury, S.%ACinabro, D.%ACunliffe, S.%ADas, S.%ADe Nardo, G.%ADhamija, R.%ADi Capua, F.%ADoležal, Z.%ADong, T.%AEidelman, S.%AEpifanov, D.%AFerber, T.%AFlood, K.%AFulsom, B.%AGarg, R.%AGaur, V.%AGabyshev, N.%AGarmash, A.%AGiri, A.%AGoldenzweig, P.%AHartbrich, O.%AHayasaka, K.%AHayashii, H.%AHou, W.-S.%AHsu, C.-L.%AIijima, T.%AInami, K.%AIshikawa, A.%AItoh, R.%AIwasaki, M.%AIwasaki, Y.%AJacobs, W.%AJin, Y.%AJoo, K.%AKaryan, G.%AKato, Y.%AKichimi, H.%AKim, C.%AKim, D.%AKim, K.-H.%AKim, S.%AKim, Y.-K.%AKinoshita, K.%AKodyš, P.%AKonno, T.%AKorobov, A.%AKorpar, S.%AKovalenko, E.%AKrižan, P.%AKroeger, R.%AKrokovny, P.%AKuhr, T.%AKumara, K.%AKuzmin, A.%AKwon, Y.-J.%ALalwani, K.%ALange, J.%ALee, S.%ALi, J.%ALi, L.%ALi, Y.%AGioi, L.%ALibby, J.%ALieret, K.%ALiventsev, D.%AMacQueen, C.%AMasuda, M.%AMatsuda, T.%AMatvienko, D.%AMcNeil, J.%AMerola, M.%AMetzner, F.%AMiyabayashi, K.%AMiyata, H.%AMizuk, R.%AMohanty, G.%AMussa, R.%ANakao, M.%ANatochii, A.%ANayak, L.%ANayak, M.%ANiiyama, M.%ANisar, N.%ANishida, S.%ANishimura, K.%AOgawa, K.%AOgawa, S.%AOno, H.%AOnuki, Y.%AOskin, P.%APakhlov, P.%APakhlova, G.%APardi, S.%APark, H.%APark, S.-H.%APatra, S.%APaul, S.%APestotnik, R.%APiilonen, L.%APodobnik, T.%APopov, V.%APrencipe, E.%APrim, M.%ARostomyan, A.%ARout, N.%ARusso, G.%ASahoo, D.%ASandilya, S.%ASangal, A.%ASavinov, V.%ASchnell, G.%ASchwanda, C.%ASeino, Y.%ASenyo, K.%ASevior, M.%ASharma, C.%AShiu, J.-G.%ASokolov, A.%ASolovieva, E.%AStarič, M.%AStottler, Z.%ASumihama, M.%ASumiyoshi, T.%ATakizawa, M.%ATanida, K.%ATenchini, F.%ATrabelsi, K.%AUehara, S.%AUglov, T.%AUnno, Y.%AUno, K.%AUno, S.%AUrquijo, P.%AUsov, Y.%AVan Tonder, R.%AVarner, G.%AWaheed, E.%AWang, C.%AWang, M.-Z.%AWang, P.%AWatanabe, M.%AWerbycka, O.%AWon, E.%AYabsley, B.%AYan, W.%AYang, S.%AYe, H.%AYelton, J.%AYin, J.%AYuan, C.%AYusa, Y.%AZhang, Z.%AZhilich, V.%AZhukova, V.%BJournal Name: Journal of High Energy Physics; Journal Volume: 2021; Journal Issue: 6 %D2021%I %JJournal Name: Journal of High Energy Physics; Journal Volume: 2021; Journal Issue: 6 %K %MOSTI ID: 10304420 %PMedium: X %TMeasurements of branching fractions and asymmetry parameters of $$ {\Xi}_c^0\to \Lambda {\overline{K}}^{\ast 0} $$, $$ {\Xi}_c^0\to {\Sigma}^0{\overline{K}}^{\ast 0} $$, and $$ {\Xi}_c^0\to {\Sigma}^{+}{K}^{\ast -} $$ decays at Belle %XA bstract Using a data sample of 980 fb − 1 collected with the Belle detector at the KEKB asymmetric-energy e + e − collider, we study the processes of $$ {\Xi}_c^0\to \Lambda {\overline{K}}^{\ast 0} $$ Ξ c 0 → Λ K ¯ ∗ 0 , $$ {\Xi}_c^0\to {\Sigma}^0{\overline{K}}^{\ast 0} $$ Ξ c 0 → Σ 0 K ¯ ∗ 0 , and $$ {\Xi}_c^0\to {\Sigma}^{+}{K}^{\ast -} $$ Ξ c 0 → Σ + K ∗ − for the first time. The relative branching ratios to the normalization mode of $$ {\Xi}_c^0\to {\Xi}^{-}{\pi}^{+} $$ Ξ c 0 → Ξ − π + are measured to be $$ {\displaystyle \begin{array}{c}\mathcal{B}\left({\Xi}_c^0\to \Lambda {\overline{K}}^{\ast 0}\right)/\mathcal{B}\left({\Xi}_c^0\to {\Xi}^{-}{\pi}^{+}\right)=0.18\pm 0.02\left(\mathrm{stat}.\right)\pm 0.01\left(\mathrm{syst}.\right),\\ {}\mathcal{B}\left({\Xi}_c^0\to {\Sigma}^0{\overline{K}}^{\ast 0}\right)/\mathcal{B}\left({\Xi}_c^0\to {\Xi}^{-}{\pi}^{+}\right)=0.69\pm 0.03\left(\mathrm{stat}.\right)\pm 0.03\left(\mathrm{syst}.\right),\\ {}\mathcal{B}\left({\Xi}_c^0\to {\Sigma}^{+}{K}^{\ast -}\right)/\mathcal{B}\left({\Xi}_c^0\to {\Xi}^{-}{\pi}^{+}\right)=0.34\pm 0.06\left(\mathrm{stat}.\right)\pm 0.02\left(\mathrm{syst}.\right),\end{array}} $$ B Ξ c 0 → Λ K ¯ ∗ 0 / B Ξ c 0 → Ξ − π + = 0.18 ± 0.02 stat . ± 0.01 syst . , B Ξ c 0 → Σ 0 K ¯ ∗ 0 / B Ξ c 0 → Ξ − π + = 0.69 ± 0.03 stat . ± 0.03 syst . , B Ξ c 0 → Σ + K ∗ − / B Ξ c 0 → Ξ − π + = 0.34 ± 0.06 stat . ± 0.02 syst . , where the uncertainties are statistical and systematic, respectively. We obtain $$ {\displaystyle \begin{array}{c}\mathcal{B}\left({\Xi}_c^0\to \Lambda {\overline{K}}^{\ast 0}\right)=\left(3.3\pm 0.3\left(\mathrm{stat}.\right)\pm 0.2\left(\mathrm{syst}.\right)\pm 1.0\left(\mathrm{ref}.\right)\right)\times {10}^{-3},\\ {}\mathcal{B}\left({\Xi}_c^0\to {\Sigma}^0{\overline{K}}^{\ast 0}\right)=\left(12.4\pm 0.5\left(\mathrm{stat}.\right)\pm 0.5\left(\mathrm{syst}.\right)\pm 3.6\left(\mathrm{ref}.\right)\right)\times {10}^{-3},\\ {}\mathcal{B}\left({\Xi}_c^0\to {\Sigma}^{+}{K}^{\ast 0}\right)=\left(6.1\pm 1.0\left(\mathrm{stat}.\right)\pm 0.4\left(\mathrm{syst}.\right)\pm 1.8\left(\mathrm{ref}.\right)\right)\times {10}^{-3},\end{array}} $$ B Ξ c 0 → Λ K ¯ ∗ 0 = 3.3 ± 0.3 stat . ± 0.2 syst . ± 1.0 ref . × 10 − 3 , B Ξ c 0 → Σ 0 K ¯ ∗ 0 = 12.4 ± 0.5 stat . ± 0.5 syst . ± 3.6 ref . × 10 − 3 , B Ξ c 0 → Σ + K ∗ 0 = 6.1 ± 1.0 stat . ± 0.4 syst . ± 1.8 ref . × 10 − 3 , where the uncertainties are statistical, systematic, and from $$ \mathcal{B}\left({\Xi}_c^0\to {\Xi}^{-}{\pi}^{+}\right) $$ B Ξ c 0 → Ξ − π + , respectively. The asymmetry parameters $$ \alpha \left({\Xi}_c^0\to \Lambda {\overline{K}}^{\ast 0}\right) $$ α Ξ c 0 → Λ K ¯ ∗ 0 and $$ \alpha \left({\Xi}_c^0\to {\Sigma}^{+}{K}^{\ast -}\right) $$ α Ξ c 0 → Σ + K ∗ − are 0 . 15 ± 0 . 22(stat . ) ± 0 . 04(syst . ) and − 0 . 52 ± 0 . 30(stat . ) ± 0 . 02(syst . ), respectively, where the uncertainties are statistical followed by systematic. %0Journal Article