Study of psi(2S) decays to X J/psi
| dc.creator | BES Collaboration | |
| dc.creator | Ablikim, M. | |
| dc.date | 2004-04-14 | |
| dc.date.accessioned | 2026-07-07T10:28:24Z | |
| dc.date.available | 2026-07-07T10:28:24Z | |
| dc.description | Using J/psi -> mu^+ mu^- decays from a sample of approximately 4 million psi(2S) events collected with the BESI detector, the branching fractions of psi(2S) -> eta J/psi, pi^0 pi^0 J/psi, and anything J/psi normalized to that of psi(2S) -> pi^+ pi^- J/psi are measured. The results are B(psi(2S) -> eta J/psi)/B(psi(2S) -> pi^+ pi^- J/psi) = 0.098 \pm 0.005 \pm 0.010, B(psi(2S) -> pi^0 pi^0 J/psi)/B(psi(2S) -> pi^+ pi^- J/psi) = 0.570 \pm 0.009 \pm 0.026, and B(psi(2S) -> anything J/psi)/B(psi(2S) -> pi^+ pi^- J/psi) = 1.867 \pm 0.026 \pm 0.055. | |
| dc.description | 13 pages, 8 figures | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0404020 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0404020 | |
| dc.identifier | Phys.Rev.D70:012003,2004 | |
| dc.identifier | doi:10.1103/PhysRevD.70.012003 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/177437 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Study of psi(2S) decays to X J/psi | |
| dc.type | text |