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T: Fachverband Teilchenphysik
T 63: Search for New Particles 4
T 63.2: Talk
Wednesday, March 23, 2022, 16:30–16:45, T-H22
Study of e+e− → Ds±Ds0*(2317)∓A process at Belle+BaBar — •Dmytro Meleshko1, Elisabetta Prencipe1,2, Jens Soeren Lange1, and Ashish Thampi2 — 1Justus-Liebig Univ. Giessen — 2IKP-1, Forschungszentrum Juelich
The present analysis is focused on the study of the e+e− → Ds±Ds0*(2317)∓A process in the continuum (A = anything else) combining the BaBar and Belle data sets to cure problems of insufficient statistics. The main goal of this work is the analysis of the Ds+ Ds0*(2317)− invariant mass system to look for possible resonant states with c c s s quark content, and cross-section measurement. At the current stage of the analysis, a preliminary study over MC samples and Belle data has already been performed. The acquired results contain intriguing sign of a possible state seen in the invariant mass distribution of the Ds±Ds0*(2317)∓ system. In addition, the analysis is opened to a potential perspective of measuring the Ds0*(2317)± width upper limit, which plays an important role in understanding the nature of the Ds0*(2317)± itself.