Measurement of the e+e− → K⁰SK⁰Lπ⁰ cross sections from √s = 2.000 to 3.080 GeV
- Based on e+e− collision data collected at center-of-mass energies from 2.000 to 3.080 GeV by the BESIII detector at the BEPCII collider, a partial wave analysis isperformed for the process e+e− → K0SK0Lπ0. The results allow the Born cross sections of the process e+e− → K0SK0Lπ0, as well as its subprocesses e+e− → K∗(892)0K¯ 0 and K∗2(1430)0K¯ 0 to be measured. The Born cross sections for e+e− → K0SK0 Lπ 0 are consistent with previous measurements by BaBar, but with substantially improved precision. The Born cross section lineshape of the process e+e − → K∗(892)0K¯ 0 is consistent with a vector meson state around 2.2 GeV with a signifcance of 3.2σ. A Breit-Wigner ft determines its mass as MY = (2164.7 ± 9.1 ± 3.1) MeV/c2 and its width as ΓY = (32.4 ± 21.0 ± 1.8) MeV.
| URN: | urn:nbn:de:hebis:30:3-845947 |
|---|---|
| DOI: | https://doi.org/10.1007/jhep01(2024)180 |
| ISSN: | 1029-8479 |
| ArXiv Id: | http://arxiv.org/abs/2309.13883 |
| Parent Title (English): | Journal of high energy physics |
| Publisher: | Springer |
| Place of publication: | Berlin ; Heidelberg |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 2024/01/30 |
| Date of first Publication: | 2024/01/30 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Creating Corporation: | BESIII Collaboration |
| Release Date: | 2024/06/19 |
| Tag: | Particle and Resonance Production; Spectroscopy; e+e− Experiments |
| Volume: | 2024 |
| Issue: | article number 180 |
| Article Number: | 180 |
| Page Number: | 29 |
| Institutes: | Physik / Physik |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - CC BY - Namensnennung 4.0 International |
