Article ; Online: Search for Evidence of Baryogenesis and Dark Matter in B^{+}→ψ_{D}+p Decays at BABAR.
2023 Volume 131, Issue 20, Page(s) 201801
Abstract: ... presents a search for B^{+}→ψ_{D}+p (and the charge conjugate) decays in e^{+}e^{-} annihilations at 10.58 ... A new dark sector antibaryon, denoted ψ_{D}, could be produced in decays of B mesons. This Letter ... in the range from 10^{-7}-10^{-5} are obtained at 90% confidence level for masses of 1.0
| Abstract | A new dark sector antibaryon, denoted ψ_{D}, could be produced in decays of B mesons. This Letter presents a search for B^{+}→ψ_{D}+p (and the charge conjugate) decays in e^{+}e^{-} annihilations at 10.58 GeV, using data collected in the BABAR experiment. Data corresponding to an integrated luminosity of 398 fb^{-1} are analyzed. No evidence for a signal is observed. Branching fraction upper limits in the range from 10^{-7}-10^{-5} are obtained at 90% confidence level for masses of 1.0<m_{ψ_{<mark>D}}<4.3 GeV/c^{2}. The result is also reinterpreted to provide the first limits on a supersymmetric model with R-parity violation and a light neutralino. |
|---|---|
| Language | English |
| Publishing date | 2023-12-01 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 208853-8 |
| ISSN | 1079-7114 ; 0031-9007 |
| ISSN (online) | 1079-7114 |
| ISSN | 0031-9007 |
| DOI | 10.1103/PhysRevLett.131.201801 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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