C. A. Chavez

activity

20042013

most citedMeasurement of the gamma gamma* --> pi0 transition form factor

332 citations · 3.3k across the 71 of their papers we have counts for

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71 papers · 1 filter

hep-ex2013★ 56 cited

Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle gamma with B+- --> D()K()+- decays

The BABAR Collaboration, J. -P. Lees, others

We report the determination of the Cabibbo-Kobayashi-Maskawa CP-violating angle gamma through the combination of various measurements involving B^{+-} --> D K^{+-}, B^{+-} --> D^{*…

hep-ex2012★ 52 cited

Measurement of D0-D0bar Mixing and CP Violation in Two-Body D0 Decays

J. P. Lees, others

We present a measurement of D0-D0bar mixing and CP violation using the ratio of lifetimes simultaneously extracted from a sample of D0 mesons produced through the flavor-tagged pro…

hep-ex2012★ 6 cited

Search for the decay modes D0 -> e+e-, D0 -> mu+mu-, and D0 -> e mu

The BABAR Collaboration

We present searches for the rare decay modes D0 to e+e-, D0 to mu+mu- and D0 to e mu in continuum e+e- to cbar c events recorded by the BABAR detector in a data sample that corresp…

hep-ex2012★ 46 cited

Measurement of B(B-->X_s γ), the B-->X_s γ photon energy spectrum, and the direct CP asymmetry in B-->X_{s+d} γ decays

The BABAR Collaboration

The photon spectrum in B --> X_s γ decay, where X_s is any strange hadronic state, is studied using a data sample of (382.8\pm 4.2) \times 10^6 e^+ e^- --> Υ(4S) --> BBbar events c…

hep-ex2012★ 78 cited

Measurement of CP Asymmetries and Branching Fractions in Charmless Two-Body B-Meson Decays to Pions and Kaons

The BABAR Collaboration

We present improved measurements of CP-violation parameters in the decays $B^{0} \to π^{+} π^{-}$ , $B^{0} \to K^{+} π^{-}$ , and $B^{0} \to π^{0} π^{0}$ , and of the branching fractions for $B^0 \to π…

hep-ex2012★ 238 cited

Precise Measurement of the e+ e- --> pi+ pi- (gamma) Cross Section with the Initial-State Radiation Method at BABAR

J. P. Lees et al.

A precise measurement of the cross section of the process $e^{+} e^{-} \to π^{+} π^{-} (γ)$ from threshold to an energy of 3GeV is obtained with the initial-state radiation (ISR) method using 2…

hep-ex2012★ 23 cited

Branching fraction measurement of B -> omega l nu decays

The BABAR Collaboration

We present a measurement of the B -> omega l nu branching fraction based on a sample of 467 million BB pairs recorded by the BaBar detector at the SLAC PEP-2 e+e- collider. We obse…

hep-ex2012★ 72 cited

A search for the decay modes B+/- to h+/- tau l

The BABAR Collaboration

We present a search for the lepton flavor violating decay modes B+/- to h+/- tau l (h= K,pi; l= e,mu) using the BaBar data sample, which corresponds to 472 million BBbar pairs. The…

hep-ex2012★ 35 cited

Search for lepton-number violating processes in B+ -> h- l+ l+ decays

The BABAR Collaboration

We have searched for the lepton-number violating processes B+ -> h- l+ l+ with h- = K-/pi- and l+ = e+/mu+, using a sample of 471+/-3 million BBbar events collected with the BaBar…

hep-ex2012★ 87 cited

A Search for Dark Higgs Bosons

The BABAR Collaboration

Recent astrophysical and terrestrial experiments have motivated the proposal of a dark sector with GeV-scale gauge boson force carriers and new Higgs bosons. We present a search fo…

hep-ex2012★ 110 cited

Study of CP violation in Dalitz-plot analyses of B0 --> K+K-KS, B+ --> K+K-K+, and B+ --> KSKSK+

The BABAR Collaboration

We perform amplitude analyses of the decays $B^{0} \to K^{+} K^{-} K_{S}^{0}$ , $B^{+} \to K^{+} K^{-} K^{+}$ , and $B^{+} \to K_{S}^{0} K_{S}^{0} K^{+}$ , and measure CP-violating parameters and partial branc…

hep-ex2012★ 41 cited

Initial-State Radiation Measurement of the e+e- -> pi+pi-pi+pi- Cross Section

J. P. Lees, V. Poireau, V. Tisserand +383

We study the process e+e- -> pi+pi-pi+pi-gamma, with a photon emitted from the initial-state electron or positron, using 454.3 fb^-1 of data collected with the BABAR detector at SL…

hep-ex2011★ 54 cited

Search for the $Z_{1} (4050)^{+}$ and $Z_{2} (4250)^{+}$ states in $B ˉ^{0} \to χ_{c 1} K^{-} π^{+}$ and $B^{+} \to χ_{c 1} K_{S}^{0} π^{+}$

The BABAR Collaboration, J. P. Lees

We search for the $Z_{1} (4050)^{+}$ and $Z_{2} (4250)^{+}$ states, reported by the Belle Collaboration, decaying to $χ_{c 1} π^{+}$ in the decays $B ˉ^{0} \to χ_{c 1} K^{-} π^{+}$ and $B^+ \to χ_{…

hep-ex2011★ 29 cited

Amplitude analysis and measurement of the time-dependent CP asymmetry of $B^{0} \to K_{0}^{S} K_{0}^{S} K_{0}^{S}$ decays

The BABAR Collaboration, J. P. Lees

We present the first results on the Dalitz-plot structure and improved measurements of the time-dependent CP-violation parameters of the process $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ …

hep-ex2011★ 7 cited

Search for Bbar --> Lambda_c+ X l- nu Decays in Events With a Fully Reconstructed B Meson

The BABAR Collaboration, J. P. Lees

We present a search for semileptonic B decays to the charmed baryon Lambda_c+ based on 420 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at the PEP-II…

hep-ex2011★ 34 cited

Search for the Decay D0 -> gamma gamma and Measurement of the Branching Fraction for D0 -> pi0 pi0

The BABAR Collaboration, J. P. Lees, others

We search for the rare decay of the $D^{0}$ meson to two photons, $D^{0} \to γ γ$ , and present a measurement of the branching fraction for a $D^{0}$ meson decaying to two neutra…

hep-ex2011★ 52 cited

Search for CP Violation in the Decay tau- -> pi- K^0_S (>= 0 pi0) nu_tau

The BABAR Collaboration

We report a search for CP violation in the decay τ- -> π- \K^0_S (>= 0 π0) ν_τ using a dataset of 437 million τ lepton pairs, corresponding to an integrated luminosity of 476 fb^{-…

hep-ex2011★ 17 cited

Search for CP violation using $T$ -odd correlations in $D^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ decays

The BABAR Collaboration, J. P. Lees

We search for CP violation in a sample of 20000 Cabibbo-suppressed decays, $D^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ , and 30000 Cabibbo-favored decays, $D_{s}^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ . We…

hep-ex2010★ 4 cited

Measurement of partial branching fractions of inclusive charmless B meson decays to K+, K0, and pi+

The BABAR Collaboration, P. del Amo Sanchez

We present measurements of partial branching fractions of $B \to K^{+} X$ , $B \to K^{0} X$ , and $B \to π^{+} X$ , where $X$ denotes any accessible final state abov…

hep-ex2010★ 36 cited

Exclusive Production of $D_{s}^{+} D_{s}^{-}$ , $D_{s}^{+} D_{s}^{-}$ , and $D_{s}^{+} D_{s}^{*-}$ via $e^{+} e^{-}$ Annihilation with Initial-State-Radiation

The BABAR Collaboration, P. del Amo Sanchez et al.

We perform a study of exclusive production of $D_{s}^{+} D_{s}^{-}$ , $D_{s}^{*+} D_{s}^{-}$ , and $D_{s}^{*+} D_{s}^{*-}$ final states in initial-state-radiation events from $e^{+} e^{-}$ annihilations at a…

hep-ex2010★ 46 cited

Measurement of the Absolute Branching Fractions for $D_{s}^{-} \to ℓ^{-} ν ˉ_{ℓ}$ and Extraction of the Decay Constant $f_{D_{s}}$

The BABAR Collaboration, P. del Amo Sanches

The absolute branching fractions for the decays $D_{s}^{-} \to ℓ^{-} ν ˉ_{ℓ}$ ( $ℓ = e$ , $μ$ , or $τ$ ) are measured using a data sample corresponding to an integrated lum…

hep-ex2010★ 206 cited

Evidence for the decay X(3872) --> J/psi omega

P. del Amo Sanchez et al.

We present a study of the decays B^{0,+} --> J/psi pi^+ pi^- pi^0 K^{0,+}, using 467 10^6 BBbar pairs recorded with the BABAR detector. We present evidence for the decay mode X(387…

hep-ex2010★ 111 cited

Measurement of D0-antiD0 mixing parameters using D0 -> K0S pi+ pi- and D0 -> KS0 K+ K- decays

The BABAR Collaboration, P. del Amo Sanchez

We report a direct measurement of $D^{0} - o v er l in e D^{0}$ mixing parameters through a time-dependent amplitude analysis of the Dalitz plots of $D^{0} \to K_{S}^{0} π^{+} π^{-}$ and, for…

hep-ex2010★ 41 cited

Search for CP violation using $T$ -odd correlations in $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decays

The BABAR Collaboration, P. del Amo Sanchez

We search for CP violation in a sample of $4.7 \times 1 0^{4}$ Cabibbo-suppressed $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decays. We use 470{\rm fb}^{-1} of data recorded by the BaBar detector at the…

Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle gamma with B+- --> D(*)K(*)+- decays

Measurement of D0-D0bar Mixing and CP Violation in Two-Body D0 Decays

Search for the decay modes D0 -> e+e-, D0 -> mu+mu-, and D0 -> e mu

Measurement of B(B-->X_s γ), the B-->X_s γ photon energy spectrum, and the direct CP asymmetry in B-->X_{s+d} γ decays

Measurement of CP Asymmetries and Branching Fractions in Charmless Two-Body B-Meson Decays to Pions and Kaons

Precise Measurement of the e+ e- --> pi+ pi- (gamma) Cross Section with the Initial-State Radiation Method at BABAR

Branching fraction measurement of B -> omega l nu decays

A search for the decay modes B+/- to h+/- tau l

Search for lepton-number violating processes in B+ -> h- l+ l+ decays

A Search for Dark Higgs Bosons

Study of CP violation in Dalitz-plot analyses of B0 --> K+K-KS, B+ --> K+K-K+, and B+ --> KSKSK+

Initial-State Radiation Measurement of the e+e- -> pi+pi-pi+pi- Cross Section

Search for the Z1​(4050)+ and Z2​(4250)+ states in Bˉ0→χc1​K−π+ and B+→χc1​KS0​π+

Amplitude analysis and measurement of the time-dependent CP asymmetry of B0→K0S​K0S​K0S​ decays

Search for Bbar --> Lambda_c+ X l- nu Decays in Events With a Fully Reconstructed B Meson

Search for the Decay D0 -> gamma gamma and Measurement of the Branching Fraction for D0 -> pi0 pi0

Search for CP Violation in the Decay tau- -> pi- K^0_S (>= 0 pi0) nu_tau

Search for CP violation using T-odd correlations in D+→K+KS0​π+π− and Ds+​→K+KS0​π+π− decays

Measurement of partial branching fractions of inclusive charmless B meson decays to K+, K0, and pi+

Exclusive Production of Ds+​Ds−​, Ds∗+​Ds−​, and Ds∗+​Ds∗−​ via e+e− Annihilation with Initial-State-Radiation

Measurement of the Absolute Branching Fractions for Ds−​→ℓ−νˉℓ​ and Extraction of the Decay Constant fDs​​

Evidence for the decay X(3872) --> J/psi omega

Measurement of D0-antiD0 mixing parameters using D0 -> K0S pi+ pi- and D0 -> KS0 K+ K- decays

Search for CP violation using T-odd correlations in D0→K+K−π+π− decays

Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle gamma with B+- --> D()K()+- decays

Search for the $Z_{1} (4050)^{+}$ and $Z_{2} (4250)^{+}$ states in $B ˉ^{0} \to χ_{c 1} K^{-} π^{+}$ and $B^{+} \to χ_{c 1} K_{S}^{0} π^{+}$

Amplitude analysis and measurement of the time-dependent CP asymmetry of $B^{0} \to K_{0}^{S} K_{0}^{S} K_{0}^{S}$ decays

Search for CP violation using $T$ -odd correlations in $D^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ decays

Exclusive Production of $D_{s}^{+} D_{s}^{-}$ , $D_{s}^{+} D_{s}^{-}$ , and $D_{s}^{+} D_{s}^{*-}$ via $e^{+} e^{-}$ Annihilation with Initial-State-Radiation

Measurement of the Absolute Branching Fractions for $D_{s}^{-} \to ℓ^{-} ν ˉ_{ℓ}$ and Extraction of the Decay Constant $f_{D_{s}}$

Search for CP violation using $T$ -odd correlations in $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decays