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New States and Charmonium Spectroscopy at BaBar

โœ Scribed by W. Dunwoodie


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
327 KB
Volume
827
Category
Article
ISSN
0375-9474

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New states with invariant masses near 2.32 GeV/c 2 and 2.46 GeV/c 2 have been observed by the BABAR Collaboration using a sample of 91.5fb -1 of e+e -interactions at center of mass energies near 10.6 GeV. These narrow resonances, naturally interpreted as cg mesons, decay respectively to D+lr ยฐ and D