Search for W-exchange decays B0 -> Ds(*)- Ds(*)+

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The authors report a search for the decays B{sup 0} {yields} D{sub s}{sup -}D{sub s}{sup +}, B{sup 0} {yields} D*{sub s}{sup -}D{sub s}{sup +} and B{sup 0} {yields} D*{sub s}{sup -}D*{sub s}{sup +} in a sample of 232 million {Upsilon}(4S) decays to B{bar B} pairs collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} storage ring. They find no significant signal and set upper bounds for the branching fractions: {Beta}(B{sup 0} {yields} D{sub s}{sup -}D{sub s}{sup +}) < 1.0 x 10{sup -4}, {Beta}(B{sup 0} {yields} D*{sub s}{sup -} D{sub s}{sup +}) < 1.3 x 10{sup -4} and ... continued below

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8 pages

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Aubert, B.; Barate, R.; Boutigny, D.; Couderc, F.; Karyotakis, Y.; Lees, J. P. et al. October 26, 2005.

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The authors report a search for the decays B{sup 0} {yields} D{sub s}{sup -}D{sub s}{sup +}, B{sup 0} {yields} D*{sub s}{sup -}D{sub s}{sup +} and B{sup 0} {yields} D*{sub s}{sup -}D*{sub s}{sup +} in a sample of 232 million {Upsilon}(4S) decays to B{bar B} pairs collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} storage ring. They find no significant signal and set upper bounds for the branching fractions: {Beta}(B{sup 0} {yields} D{sub s}{sup -}D{sub s}{sup +}) < 1.0 x 10{sup -4}, {Beta}(B{sup 0} {yields} D*{sub s}{sup -} D{sub s}{sup +}) < 1.3 x 10{sup -4} and {Beta}(B{sup 0} {yields} D*{sub s}{sup -} D*{sub s}{sup +}) < 2.4 x 10{sup -4} at 90% confidence level.

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8 pages

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  • Contributed to 11th International Conference on Hadron Spectroscopy (Hadron05), Rio de Janeiro, Brazil, 21-26 Aug 2005

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  • Report No.: SLAC-PUB-11502
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 878036
  • Archival Resource Key: ark:/67531/metadc879514

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  • October 26, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • July 25, 2017, 10:59 a.m.

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Aubert, B.; Barate, R.; Boutigny, D.; Couderc, F.; Karyotakis, Y.; Lees, J. P. et al. Search for W-exchange decays B0 -> Ds(*)- Ds(*)+, article, October 26, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc879514/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.