S. Spanier

activity

20012023

most citedBig-Bang nucleosynthesis (Particle Data Group mini-review)

4.1k citations · 10.7k across the 124 of their papers we have counts for

collaborators

Showing 2008Show all

19 papers · 1 filter

hep-ex2008★ 171 cited

Search for the Z(4430)^- at BABAR

The BABAR Collaboration, B. Aubert

We report the results of a search for $Z (4430)^{-}$ decay to $J / ψ π^{-}$ or $ψ (2 S) π^{-}$ in $B^{-,0}\to \jpsiπ^- K^{0,+}$ and $B^{-,0}\to \psitwos π^- K^{0,+}$ decays. The data were colle…

hep-ex2008

Time-dependent and time-integrated angular analysis of $B \to ϕ K_{S}^{0} π^{0}$ and $ϕ K^{\pm} π^{\mp}$

The BABAR Collaboration, B. Aubert

We perform a time-dependent and time-integrated angular analysis of the decays $B^{0} \to ϕ K^{*} (892)^{0}$ , $ϕ K_{2}^{*} (1430)^{0}$ , and $ϕ (K π)_{0}^{* 0}$ with the final sample of about 465 mi…

hep-ex2008★ 95 cited

Measurement of the e+e- --> b anti-b cross section between sqrt(S)=10.54 and 11.20 GeV

The BABAR Collaboration, B. Aubert

We report e+e- --> b anti-b cross section measurements by the BABAR experiment performed during an energy scan in the range of 10.54 to 11.20 GeV at the PEP-II e+e- collider. A tot…

hep-ex2008★ 197 cited

Evidence for X(3872) --> psi(2S) gamma in B+/- --> X(3872) K+/- decays, and a study of B --> ccbar gamma K

The BABAR Collaboration, B. Aubert

In a search for B --> ccbar gamma K decays with the BaBar detector, where ccbar includes J/psi and psi(2S), and K includes K+, Ks, and K*(892), we find evidence for X(3872) --> J/p…

hep-ex2008★ 11 cited

Observation of B0 -> chi_c0K0 and evidence for B+ -> chi_c0K+

The BABAR Collaboration, B. Aubert

We present the observation of the decay B0 -> chi_c0K*0 as well as evidence of B+ -> chi_c0K*+, with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sa…

hep-ex2008★ 33 cited

Measurement of Semileptonic B Decays into Orbitally Excited Charmed Mesons

The BABAR Collaboration, B. Aubert

We present a study of B decays into semileptonic final states containing charged and neutral $D_{1} (2420)$ and $D_{2}^{*} (2460)$ . The analysis is based on a data sample of $208 f b^{- 1}$ …

hep-ex2008★ 44 cited

Study of the decay Ds+ --> K+ K- e+ nu

The BABAR Collaboration, B. Aubert

Using 214 fb-1 of data recorded by the Babar detector at the PEPII electron-positron collider, we study the decay Ds+ --> K+ K- e+ nu. Except for a small S-wave contribution, the e…

hep-ex2008

Measurements of $B (B ˉ^{0} \to Λ_{c}^{+} p ˉ)$ and $B (B^{-} \to Λ_{c}^{+} p ˉ π^{-})$ and Studies of $Λ_{c}^{+} π^{-}$ Resonances

The BABAR Collaboration, B. Aubert

We present an investigation of the decays $B ˉ^{0} \to Λ_{c}^{+} p ˉ$ and $B^{-} \to Λ_{c}^{+} p ˉ π^{-}$ based on $383 \times 1 0^{6}$ $Υ (4 S) \to B B ˉ$ decays recorded with t…

hep-ex2008★ 88 cited

Direct CP, Lepton Flavor and Isospin Asymmetries in the Decays B->K(*)l+l-

The BABAR Collaboration, B. Aubert

We measure rate asymmetries for the rare decays B->K(*)l+l-, where l+l- is either e+e- or mu+mu-, using a sample of 384 million BBbar events collected with the Babar detector at th…

hep-ex2008★ 14 cited

Searches for B meson decays to phiphi, phirho, phifzero(980), and fzero(980)fzero(980) final states

The BaBar Collaboration, B. Aubert

We present the results of searches for B decays to charmless final states involving phi, fzero(980), and charged or neutral rho mesons. The data sample corresponds to 384 million B…

hep-ex2008★ 14 cited

Measurement of Ratios of Branching Fractions and CP-Violating Asymmetries of B -> D*K Decays

The BABAR Collaboration, B. Aubert

We report a study of B -> D*K decays with D* decaying to D pi0 or D gamma, using 383 * 10**6 B Bbar pairs collected at the Upsilon(4S) resonance with the BaBar detector at the SLAC…

hep-ex2008★ 36 cited

Study of hadronic transitions between Y states and observation of Y(4S)-> eta Y(1S) decay

The BABAR Collaboration, B. Aubert

We present a study of hadronic transitions between Y(mS) (m=4,3,2) and Y(nS) (n=2,1) resonances based on 347.5\invfb of data taken with the BABAR detector at the PEP-II storage rin…

hep-ex2008★ 13 cited

Observation of e+e- --> rho+rho- near sqrt(s)=10.58 GeV

The BABAR Collaboration, B. Aubert

We report the first observation of $e^{+} e^{-} \to ρ^{+} ρ^{-}$ , in a data sample of 379 $f b^{- 1}$ collected with the BABAR detector at the {PEP-II} $e^{+} e^{-}$ storage ring at center-of-mass…

hep-ex2008★ 6 cited

Search for B0 -> K+ K-

The BABAR Collaboration, B. Aubert

We report the results of a search for the decay B0 -> K*+ K*- with a sample of 454 +/- 5 million BBbar pairs collected with the BaBar detector at the PEP-II asymmetric-energy e+e-…

hep-ex2008★ 28 cited

Measurements of B --> {pi, eta, eta'} l nu Branching Fractions and Determination of |Vub| with Semileptonically Tagged B Mesons

The BABAR Collaboration, B. Aubert

We report measurements of branching fractions for the decays B --> P l nu, where P are the pseudoscalar charmless mesons pi-, pi0, eta and eta', based on 348 fb-1 of data collected…

hep-ex2008★ 12 cited

Observation of B+->b_1+K0 and search for B-meson decays to b_10K0 and b_1pi0

The BABAR Collaboration, B. Aubert

We present the results of searches for decays of B mesons to final states with a b_1 meson and a neutral pion or kaon. The data, collected with the BABAR detector at the Stanford L…

hep-ex2008★ 6 cited

Measurement of the Mass Difference m(B0) - m(B+)

The BABAR Collaboration, B. Aubert

Using 230 million B Bbar events recorded with the BABAR detector at the e+ e- storage rings PEP-II, we reconstruct approximately 4100 B0 to J/psi K+ pi- and 9930 B+ to J/psi K+ dec…

hep-ex2008★ 30 cited

Evidence for CP violation in B0->J/Psi pi0 decays

B. Aubert

We present measurements of the branching fraction and time-dependent CP asymmetries in B0->J/Psi pi0 decays based on 466 million Y(4S)->BBbar events collected with the BaBar detect…

hep-ex2008★ 39 cited

Searches for the decays B0 -> l+ tau- and B+ -> l+ nu (l=e,mu) using hadronic tag reconstruction

The BABAR Collaboration, B. Aubert

We present searches for the leptonic decays B+ -> l+ nu and the lepton flavor violating decays B0 -> l+ tau-, where l=e,mu, with data collected by the BaBar experiment at SLAC. Thi…

Search for the Z(4430)^- at BABAR

Time-dependent and time-integrated angular analysis of B→ϕKS0​π0 and ϕK±π∓

Measurement of the e+e- --> b anti-b cross section between sqrt(S)=10.54 and 11.20 GeV

Evidence for X(3872) --> psi(2S) gamma in B+/- --> X(3872) K+/- decays, and a study of B --> ccbar gamma K

Observation of B0 -> chi_c0K*0 and evidence for B+ -> chi_c0K*+

Measurement of Semileptonic B Decays into Orbitally Excited Charmed Mesons

Study of the decay Ds+ --> K+ K- e+ nu

Measurements of B(Bˉ0→Λc+​pˉ​) and B(B−→Λc+​pˉ​π−) and Studies of Λc+​π− Resonances

Direct CP, Lepton Flavor and Isospin Asymmetries in the Decays B->K(*)l+l-

Searches for B meson decays to phiphi, phirho, phifzero(980), and fzero(980)fzero(980) final states

Measurement of Ratios of Branching Fractions and CP-Violating Asymmetries of B -> D*K Decays

Study of hadronic transitions between Y states and observation of Y(4S)-> eta Y(1S) decay

Observation of e+e- --> rho+rho- near sqrt(s)=10.58 GeV

Search for B0 -> K*+ K*-

Measurements of B --> {pi, eta, eta'} l nu Branching Fractions and Determination of |Vub| with Semileptonically Tagged B Mesons

Observation of B+->b_1+K0 and search for B-meson decays to b_10K0 and b_1pi0

Measurement of the Mass Difference m(B0) - m(B+)

Evidence for CP violation in B0->J/Psi pi0 decays

Searches for the decays B0 -> l+ tau- and B+ -> l+ nu (l=e,mu) using hadronic tag reconstruction

Time-dependent and time-integrated angular analysis of $B \to ϕ K_{S}^{0} π^{0}$ and $ϕ K^{\pm} π^{\mp}$

Observation of B0 -> chi_c0K0 and evidence for B+ -> chi_c0K+

Measurements of $B (B ˉ^{0} \to Λ_{c}^{+} p ˉ)$ and $B (B^{-} \to Λ_{c}^{+} p ˉ π^{-})$ and Studies of $Λ_{c}^{+} π^{-}$ Resonances

Search for B0 -> K+ K-