Samya Bano Zain

activity

20042010

most citedObservation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b

165 citations · 782 across the 20 of their papers we have counts for

collaborators

20 papers

hep-ex2010★ 23 cited

Observation of the Decay B^{-} \rightarrow D_{s}^{(*)+} K^{-} \ell^{-} \barν_{\ell}

The BABAR Collaboration, P. del Amo Sanchez

We report the observation of the decay $B^{-} \to D_{s}^{(*) +} K^{-} ℓ^{-} ν ˉ_{ℓ}$ based on $342 \mathrm {\,fb}^{-1}}$ of data collected at the $\Y4S$ resonance wi…

hep-ex2010★ 27 cited

Measurement of the B -> Dbar()D()K branching fractions

The BABAR Collaboration, P. del Amo Sanchez

We present a measurement of the branching fractions of the 22 decay channels of the B0 and B+ mesons to Dbar(*)D(*)K, where the D(*) and Dbar(*) mesons are fully reconstructed. Sum…

hep-ex2010★ 58 cited

Measurement of the gamma gamma* --> eta_c transition form factor

The BABAR Collaboration, J. P. Lees

We study the reaction e+e- --> e+e- eta_c, eta_c --> K_S K+- pi-+ and obtain eta_c mass and width values 2982.2+-0.4+-1.6 MeV/c^2 and 31.7+-1.2+-0.8 MeV, respectively. We find Gamm…

hep-ex2008★ 165 cited

Observation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b

The BABAR Collaboration, B. Aubert

We report the results of a search for the bottomonium ground state eta_b(1S) in the photon energy spectrum with a sample of (109 +/- 1) million of Upsilon(3S) recorded at the Upsil…

hep-ex2008★ 30 cited

Study of B-meson decays to eta_c K^(), eta_c(2S) K^() and eta_c gamma K^(*)

The BABAR Collaboration, B. Aubert

We study two-body $B$ -meson decays to a charmonium state ( $η_{c}$ , $η_{c} (2 S)$ or $h_{c}$ ) and a $K^{+}$ or $K^{* 0} (892)$ meson using a sample of $349 f b^{- 1}$ of data collected with the B…

hep-ex2008★ 19 cited

Measurement of the Branching Fractions of the Rare Decays B0->Ds()+pi-, B0->Ds()+rho-, and B0->Ds()-K()+

The BABAR Collaboration, B. Aubert

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…

hep-ex2007★ 47 cited

Observation of the Decay B+ --> K+K-pi+

The BABAR Collaboration, B. Aubert

We report the observation of charmless hadronic decays of charged B mesons to the final state K+K-pi+. Using a data sample of 347.5 fb^-1 collected at the Y(4S) resonance with the…

hep-ex2007★ 61 cited

Measurement of the tau- --> K- pi0 nu_tau Branching Fraction

The BABAR Collaboration, B. Aubert

A measurement of the tau- --> K- pi0 nu_tau branching fraction has been made using 230.2 fb-1 of data recorded by the BABAR detector at the PEP-II e+ e- collider, located at the St…

hep-ex2007★ 35 cited

Observation of tree-level B decays with $s s ˉ$ Production from Gluon Radiation

The BABAR Collaboration, B. Aubert

We report on our search for $B^{-} \to D_{s}^{(*) +} K^{-} π^{-}$ , $B^{0} ˉ \to D_{s}^{(*) +} K_{S}^{0} π^{-}$ , and $B^{-} \to D_{s}^{(*) +} K^{-} K^{-}$ decays in 383 million $\FourS \to B \Bbar$ events c…

hep-ex2007★ 16 cited

Measurement of the Absolute Branching Fraction of D0 --> K- pi+

The BABAR Collaboration, B. Aubert

We measure the absolute branching fraction for D0 --> K- pi+ using partial reconstruction of B0bar --> D^{*+} X \ell^{-} \barν_{\ell} decays, in which only the charged lepton and t…

hep-ex2007★ 14 cited

Measurement of the Time-Dependent CP Asymmetry in B0 --> D(*)0_CP h0 Decays

The BABAR Collaboration, B. Aubert

We report a measurement of the time-dependent CP-asymmetry parameters $S$ and $C$ in color-suppressed $B^{0} \to D^{(*) 0} h^{0}$ decays, where $h^{0}$ is a $π^{0}$ , $η$ , or $ω$ m…

hep-ex2007★ 29 cited

Search for the rare decay B to pi l+ l-

The BABAR Collaboration, B. Aubert

We have performed a search for the flavor-changing neutral-current decays B --> pi l+l-, where l+l- is either e+e- or mu+mu-, using a sample of 230 million Y(4S)-->BBbar decays col…

hep-ex2006★ 6 cited

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fraction and time-dependent CP asymmetry of B^0 to rho^0 K^0. The results are obtained from a data sample of 227 10^6 Y4S to BB_ decays co…

hep-ex2006★ 44 cited

Improved Measurements of the Branching Fractions for B0 --> pi+pi- and B0 --> K+pi-, and a Search fro B0 --> K+K-

The BABAR Collaboration, B. Aubert

We present measurements of the branching fractions for the charmless two-body decays $\Bz\to\pip\pim$ and $\Bz\to\Kp\pim$, and a search for the decay $\Bz\to\Kp\Km$. We include the…

hep-ex2006★ 17 cited

Study of Inclusive B- and Bbar0 Decays to Flavor-Tagged D, D_s and Lambda_c

The BABAR Collaboration, B. Aubert

We report on a study of inclusive $B^{-}$ and $B ˉ^{0}$ meson decays to $D^{0} X$ , $D ˉ^{0} X$ , $D^{+} X$ , $D^{-} X$ , $D_{s}^{+} X$ , $D_{s}^{-} X$ , $Λ_{c}^{+} X$ , $Λ ˉ_{c}^{-} X$ , ba…

hep-ex2006★ 37 cited

Study of B --> D^()D_s(J)^() Decays and Measurement of D_s^- and D_sJ(2 460)^- Branching Fractions

The BABAR Collaboration, B. Aubert

We present branching fraction measurements of twelve B meson decays of the form B --> D^(*)D_s(J)^(*). The results are based on Y(4S) decays in BBbar pairs. One of the B mesons is…

hep-ex2005★ 7 cited

Search for the Rare Decays B0 -> Ds(*)+ a0(2)-

The BABAR Collaboration, B. Aubert et al

We have searched for the decays $B^{0} \to D_{s}^{+} a_{0}^{-}$ , $B^{0} \to D_{s}^{*+} a_{0}^{-}$ , $B^{0} \to D_{s}^{+} a_{2}^{-}$ and $B^{0} \to D_{s}^{*+} a_{2}^{-}$ in a sample of a…

hep-ex2005★ 109 cited

Measurements of the B -> X_s gamma Branching Fraction and Photon Spectrum from a Sum of Exclusive Final States

The BABAR Collaboration, B. Aubert

Using 88.9 million BB events collected by the BaBar detector at the Y(4S), we measure the branching fraction for the radiative penguin process B -> X_s gamma from the sum of 38 exc…

hep-ex2005★ 38 cited

A Precision Measurement of the Lambda_c Baryon Mass

B. Aubert, The BABAR Collaboration

The $Λ_{c}^{+}$ baryon mass is measured using $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and $Λ_{c}^{+} \to Σ^{0} K_{S}^{0} K^{+}$ decays reconstructed in 232 fb $^{- 1}$ of data collected with the BaBar detector at the PE…

hep-ex2004

Measurement of Branching Fractions, and CP and Isospin Asymmetries, for $B \to K^{*} γ$

B. Aubert

The branching fractions of the decays B->K*0,gamma and B->K*+,gamma are measured using a sample of 88 x 10^6 B\bar{B} events collected with the BaBar detector at the PEP-II asymmet…

Observation of the Decay B^{-} \rightarrow D_{s}^{(*)+} K^{-} \ell^{-} \barν_{\ell}

Measurement of the B -> Dbar(*)D(*)K branching fractions

Measurement of the gamma gamma* --> eta_c transition form factor

Observation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b

Study of B-meson decays to eta_c K^(*), eta_c(2S) K^(*) and eta_c gamma K^(*)

Measurement of the Branching Fractions of the Rare Decays B0->Ds(*)+pi-, B0->Ds(*)+rho-, and B0->Ds(*)-K(*)+

Observation of the Decay B+ --> K+K-pi+

Measurement of the tau- --> K- pi0 nu_tau Branching Fraction

Observation of tree-level B decays with ssˉ Production from Gluon Radiation

Measurement of the Absolute Branching Fraction of D0 --> K- pi+

Measurement of the Time-Dependent CP Asymmetry in B0 --> D(*)0_CP h0 Decays

Search for the rare decay B to pi l+ l-

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

Improved Measurements of the Branching Fractions for B0 --> pi+pi- and B0 --> K+pi-, and a Search fro B0 --> K+K-

Study of Inclusive B- and Bbar0 Decays to Flavor-Tagged D, D_s and Lambda_c

Study of B --> D^(*)D_s(J)^(*) Decays and Measurement of D_s^- and D_sJ(2 460)^- Branching Fractions

Search for the Rare Decays B0 -> Ds(*)+ a0(2)-

Measurements of the B -> X_s gamma Branching Fraction and Photon Spectrum from a Sum of Exclusive Final States

A Precision Measurement of the Lambda_c Baryon Mass

Measurement of Branching Fractions, and CP and Isospin Asymmetries, for B→K∗γ

Measurement of the B -> Dbar()D()K branching fractions

Study of B-meson decays to eta_c K^(), eta_c(2S) K^() and eta_c gamma K^(*)

Measurement of the Branching Fractions of the Rare Decays B0->Ds()+pi-, B0->Ds()+rho-, and B0->Ds()-K()+

Observation of tree-level B decays with $s s ˉ$ Production from Gluon Radiation

Study of B --> D^()D_s(J)^() Decays and Measurement of D_s^- and D_sJ(2 460)^- Branching Fractions

Measurement of Branching Fractions, and CP and Isospin Asymmetries, for $B \to K^{*} γ$