Search for the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi
| dc.creator | Ablikim, M. | |
| dc.creator | Bai, J. Z. | |
| dc.date | 2007-09-21 | |
| dc.date.accessioned | 2026-07-07T11:19:28Z | |
| dc.date.available | 2026-07-07T11:19:28Z | |
| dc.description | Using 14.0\times 10^6 ψ(2S) events collected with the BES-II detector, the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi is studied. We determine a new upper limit for the J/psi->gamma gamma branching ratio of B(J/psi->gamma gamma)<2.2\times 10^{-5} at the 90% C.L., which is about 20 times lower than the previous measurement. | |
| dc.description | 4 pages 2 figures | |
| dc.identifier | https://arxiv.org/abs/0709.3371 | |
| dc.identifier | http://arxiv.org/abs/0709.3371 | |
| dc.identifier | Phys.Rev.D76:117101,2007 | |
| dc.identifier | doi:10.1103/PhysRevD.76.117101 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/193694 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Search for the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi | |
| dc.type | text |