Study of B -> D^(*)D_s(J)^(*) Decays andMeasurement of D_s^- and D_s(J)(2460)- Branching Fractions

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We present branching fraction measurements of twelve B meson decays of the form B {yields} D{sup (*)} D{sub s(J)}{sup (*)}. The results are based on {Upsilon}(4S) decays in B{bar B} pairs. One of the B mesons is fully reconstructed and the other decays to two charm mesons, of which one is reconstructed, and the mass and momentum of the other is inferred by kinematics. Combining these results with previous exclusive branching fraction measurements, we determine {Beta}(D{sub s}{sup -} {yields} {phi}{pi}{sup -}) = (4.62 {+-} 0.36{sub stat.} {+-} 0.51{sub syst.})%, {Beta}(D{sub sJ}(2460){sup -} {yields} D*{sub s}{sup -} {pi}{sup 0}) = (56 ... continued below

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7 pages

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Aubert, B.; Barate, R.; Bona, M.; Boutigny, D.; Couderc, F.; Karyotakis, Y. et al. May 16, 2006.

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We present branching fraction measurements of twelve B meson decays of the form B {yields} D{sup (*)} D{sub s(J)}{sup (*)}. The results are based on {Upsilon}(4S) decays in B{bar B} pairs. One of the B mesons is fully reconstructed and the other decays to two charm mesons, of which one is reconstructed, and the mass and momentum of the other is inferred by kinematics. Combining these results with previous exclusive branching fraction measurements, we determine {Beta}(D{sub s}{sup -} {yields} {phi}{pi}{sup -}) = (4.62 {+-} 0.36{sub stat.} {+-} 0.51{sub syst.})%, {Beta}(D{sub sJ}(2460){sup -} {yields} D*{sub s}{sup -} {pi}{sup 0}) = (56 {+-} 13{sub stat.} {+-} 9{sub syst.})% and {Beta}(D{sub sJ}(2460){sup -} {yields} D{sub s}{sup -}{gamma}) = (16 {+-} 4{sub stat.} {+-} 3{sub syst.})%.

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7 pages

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  • Journal Name: Physical Review, D (Particles Fields)

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  • Report No.: SLAC-PUB-11855
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 882414
  • Archival Resource Key: ark:/67531/metadc875643

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  • May 16, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • July 13, 2017, 4:47 p.m.

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Aubert, B.; Barate, R.; Bona, M.; Boutigny, D.; Couderc, F.; Karyotakis, Y. et al. Study of B -> D^(*)D_s(J)^(*) Decays andMeasurement of D_s^- and D_s(J)(2460)- Branching Fractions, article, May 16, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc875643/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.