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    First measurement of the form factors in the decays D0→ρ- <sup>e+</sup>ν<inf>e</inf> and D+<sup>→ρ0e+</sup>ν<inf>e</inf>

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    Genre
    Journal Article
    Date
    2013-03-26
    Author
    Dobbs, S
    Metreveli, Z
    Seth, KK
    Tomaradze, A
    Xiao, T
    Martin, L
    Powell, A
    Wilkinson, G
    Mendez, H
    Asner, DM
    Tatishvili, G
    Ge, JY
    Huang, GS
    Miller, DH
    Pavlunin, V
    Shipsey, IPJ
    Xin, B
    Adams, GS
    Hu, D
    Moziak, B
    Napolitano, J
    Ecklund, KM
    Insler, J
    Muramatsu, H
    Park, CS
    Pearson, LJ
    Thorndike, EH
    Ricciardi, S
    Thomas, C
    Artuso, M
    Blusk, S
    Mountain, R
    Skwarnicki, T
    Stone, S
    Zhang, LM
    Bonvicini, G
    Cinabro, D
    Lincoln, A
    Smith, MJ
    Zhou, P
    Zhu, J
    Naik, P
    Rademacker, J
    Edwards, KW
    Randrianarivony, K
    Briere, RA
    Vogel, H
    Onyisi, PUE
    Rosner, JL
    Alexander, JP
    Cassel, DG
    Das, S
    Ehrlich, R
    Gibbons, L
    Gray, SW
    Hartill, DL
    Heltsley, BK
    Kreinick, DL
    Kuznetsov, VE
    Patterson, JR
    Peterson, D
    Riley, D
    Ryd, A
    Sadoff, AJ
    Shi, X
    Sun, WM
    Yelton, J
    Rubin, P
    Lowrey, N
    Mehrabyan, S
    Selen, M
    Wiss, J
    Libby, J
    Kornicer, M
    Mitchell, RE
    Tarbert, CM
    Besson, D
    Pedlar, TK
    Cronin-Hennessy, D
    Hietala, J
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    Subject
    CLEO Collaboration
    Permanent link to this record
    http://hdl.handle.net/20.500.12613/5966
    
    Metadata
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    DOI
    10.1103/PhysRevLett.110.131802
    Abstract
    The beauty to up quark coupling constant |Vub| can be extracted from B→ρe+νe combined with the form factors for D→K*e+νe and B→Vℓ+ℓ- and D→ρe+ν e. Using the entire CLEO-c ψ(3770)→DD̄ event sample, corresponding to an integrated luminosity of 818 pb-1 and approximately 5.4×106 DD̄ events, we measure the form factors for the decays D0→ρ-e+νe and D +→ρ0e+νe for the first time and the branching fractions with improved precision. A four-dimensional unbinned maximum likelihood fit determines the form factor ratios to be V(0)/A 1(0)=1.48±0.15±0.05 and A2(0)/A 1(0)=0.83±0.11±0.04. Assuming Cabibbo-Kobayashi-Maskawa unitarity, the known D meson lifetimes, and our measured branching fractions we obtain the form factor normalizations A1(0), A2(0), and V(0). We also present a measurement of the branching fraction for D +→ωe+νe with improved precision. © 2013 American Physical Society.
    Citation to related work
    American Physical Society (APS)
    Has part
    Physical Review Letters
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    For Americans with Disabilities Act (ADA) accommodation, including help with reading this content, please contact scholarshare@temple.edu
    ae974a485f413a2113503eed53cd6c53
    http://dx.doi.org/10.34944/dspace/5948
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