Measurement of the Branching Fractions of the Rare Decays $B^0 \to D_s$ (*) + $\pi^{-}$, $B^0 \to D_s$ (*) + $\rho^{-}$, and $B^0 \to D_s$ (*) - $K^{(*)}$ + - INSPIRE

DataBETA

Measurement of the Branching Fractions of the Rare Decays $B^0 \to D_s$ () + $\pi^{-}$ , $B^0 \to D_s$ () + $\rho^{-}$ , and $B^0 \to D_s$ () - $K^{()}$ +

BaBar

Collaboration

Mar, 2008

15 pages

Published in:

Phys.Rev.D 78 (2008) 032005

e-Print:

0803.4296 [hep-ex]

DOI:

10.1103/PhysRevD.78.032005

PDG:

{{\mathit B}^{0}}

\rightarrow

{{\mathit D}_{{{s}}}^{*+}}{{\mathit \pi}^{-}}

Report number:

SLAC-PUB-13190,
BABAR-PUB-08-009

Experiments:

SLAC-PEP2-BABAR

View in:

reference search36 citations

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Abstract: (arXiv)

We report the measurement of the branching fractions of the rare decays B0->Ds(*)+pi-, B0->Ds(*)+rho-, and B0->Ds(*)-K(*)+ in a sample of 381 million Y(4S) decays into BBbar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring. We present evidence for the decay B0->Ds-K*+ and the vector-vector decays B0->Ds*+rho- and B0->Ds*-K*+, as well as the first measurement of the vector meson polarization in these decays. We also determine the ratios of the CKM-suppressed to CKM-favored amplitudes r(D(*)pi) and r(D(*)rho) in decays B0->D(*)pi and B0->D(*)rho, and comment on the prospects for measuring the CP observable sin(2beta+gamma).

11.30.Er
13.25.Hw
12.15.Hh
electron positron: colliding beams
electron positron: annihilation
Upsilon(10570): electroproduction
B: pair production
B0: rare decay
final state: two-particle
D/s

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