Study of the Exclusive Initial-State-RadiationProduction of the DDbar System
Journal Article
·
· PRD rapid communications
OSTI ID:917732
A search for charmonium and other new states is performed in a study of exclusive initial-state-radiation production of D{bar D} events from electron-positron annihilations at a center-of-mass energy of 10.58 GeV. The data sample corresponds to an integrated luminosity of 384 fb{sup -1} and was recorded by the BABAR experiment at the PEP-II storage ring. The D{bar D} mass spectrum shows clear evidence of the {psi}(3770) plus other structures near 3.9, 4.1, and 4.4 GeV/c2. No evidence for Y (4260) {yields} D{bar D} is observed, leading to an upper limit of {Beta}(Y (4260) {yields} D{bar D})/{Beta}(Y (4260) {yields} J/{psi}{pi}{sup +}{pi}{sup -}) < 1.0 at 90% confidence level.
- Research Organization:
- Stanford Linear Accelerator Center (SLAC)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 917732
- Report Number(s):
- SLAC-PUB-12818; arXiv:0710.1371
- Journal Information:
- PRD rapid communications, Journal Name: PRD rapid communications
- Country of Publication:
- United States
- Language:
- English
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