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1
Search for B-0 -> K*K+*(-)
Published 2008“…We report the results of a search for the decay B0→K*+K*- with a sample of 454±5 million BB̄ pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at the Stanford Linear Accelerator Center. We obtain an upper limit at the 90% confidence level on the branching fraction for B(B0→K*+K*-)<2.0×10-6, assuming the decay is fully longitudinally polarized. © 2008 The American Physical Society.…”
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2
Measurement of branching fractions and charge asymmetries for exclusive B decays to charmonium.
Published 2005“…We use a sample of about 124x10(6) BB pairs collected with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center.…”
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3
Clocking femtosecond X rays.
Published 2005“…At the Sub-Picosecond Pulse Source at the Stanford Linear-Accelerator Center we solved this problem by measuring the arrival time of each high energy electron bunch with electro-optic sampling. …”
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4
Measurements of the branching fractions of exclusive charmless B meson decays with η′ or ω mesons
Published 2001“…The data were collected with the BABAR detector at the PEP-II asymmetric e+e- collider located at the Stanford Linear Accelerator Center.…”
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5
Measurement of branching fractions and charge asymmetries for exclusive B decays to charmonium
Published 2005“…We use a sample of about 124 × 106 BB̄ pairs collected with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center. © 2005 The American Physical Society.…”
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6
Search for B -> J/psi D decays
Published 2005“…We report a search for B→J/ψD decays, based on a sample of 124×106 BB̄ events collected with the BABAR detector at the PEP-II storage ring of the Stanford Linear Accelerator Center. No significant signal is found. …”
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7
Search for B meson decays to eta(')eta K-'
Published 2006“…The data consist of 228×106 BB̄ pairs produced in e+e- annihilation, collected with the BABAR detector at the Stanford Linear Accelerator Center. The 90% confidence level upper limits for the branching fractions are B(B0→η′η′K0)<31×10-6 and B(B+→η′η′K+)<25×10-6. © 2006 The American Physical Society.…”
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8
Search for lepton flavor violating decays tau(+/-)-> l(+/-)omega
Published 2008“…A search for lepton flavor violating decays of a τ to a lighter-mass charged lepton and an ω vector meson is performed using 384.1fb-1 of e+e- annihilation data collected with the BABAR detector at the Stanford Linear Accelerator Center PEP-II storage ring. No signal is found, and the upper limits on the branching ratios are determined to be B(τ±→e± ω)<1.1×10-7 and B(τ±→μ±ω)<1. 0×10-7 at 90% confidence level. © 2008 The American Physical Society.…”
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9
Measurement of branching fractions for exclusive B decays to charmonium final states
Published 2002“…We use a sample of 22.72±0.36 million BB̄ events collected between October 1999 and October 2000 with the BABAR detector at the PEP-II storage rings at the Stanford Linear Accelerator Center. The charmonium mesons considered here are J/Ψ, Ψ(2S), and Χ c1and the light meson in the decay is either a K, K*, or π 0. © 2002 The American Physical Society.…”
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10
Search for the rare leptonic decay B--->tau-nutau.
Published 2005“…We present a search for the decay B(-)--> tau(-)nu(tau) in a sample of 88.9 x 10(6) BB pairs recorded with the BABAR detector at the Stanford Linear Accelerator Center B factory. One of the two B mesons from the Gamma(4S) is reconstructed in a hadronic or a semileptonic final state, and the decay products of the other B in the event are analyzed for consistency with a B(-) --> tau(-)nu(tau) decay. …”
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11
Measurement of the branching fractions for ψ(2s)→e+e- and ψ(2s)→μ+μ-
Published 2002“…The method uses ψ(2S) mesons produced in the decay of B mesons at the Υ(4S) resonance in a data sample collected with the BABAR detector at the Stanford Linear Accelerator Center. Using previous measurements for the ψ(2S)→J/ψπ+π- branching fraction, we determine the e+e- and μ+μ- branching fractions to be 0.0078±0.0009±0.0008 and 0.0067±0.0008±0.0007, respectively.…”
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12
Search for doubly charmed baryons Xi(+)(cc) and Xi(++)(cc) in BABAR
Published 2006“…We search for the production of doubly charmed baryons in e+e- annihilations at or near a center-of-mass energy of 10.58 GeV, in a data sample with an integrated luminosity of 232fb-1 recorded with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center. We search for Ξcc+ baryons in the final states Λc+K-π+ and Ξc0π+, and Ξcc++ baryons in the final states Λc+K-π+π+ and Ξc0π+π+. …”
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13
Measurement of D-0-D-0 Mixing from a Time-Dependent Amplitude Analysis of D-0 -> K+pi(-)pi(0) Decays
Published 2009“…We present evidence of D0-D̄0 mixing using a time-dependent amplitude analysis of the decay D0→K+π-π0 in a data sample of 384fb-1 collected with the BABAR detector at the PEP-II e+e- collider at the Stanford Linear Accelerator Center. Assuming CP conservation, we measure the mixing parameters xKππ0′=[2.61-0.68+0.57(stat)±0.39(syst)]%, yKππ0′=[-0.06-0.64+0.55(stat)±0.34(syst)]%. …”
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14
Study of D-sJ decays to (DK)-K-* in inclusive e(+)e(-) interactions
Published 2009“…To obtain this result we use 470fb-1 of data recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- storage rings at the Stanford Linear Accelerator Center running at center-of-mass energies near 10.6 GeV. © 2009 The American Physical Society.…”
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15
Branching fraction limits for B0 decays to η′η, η′π0 and ηπ0
Published 2006“…The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 232×106 produced BB̄ pairs. …”
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16
Study of the decay B̄0→D*+ωπ-
Published 2006“…We report on a study of the decay B̄0→D*+ωπ- with the BABAR detector at the PEP-II B-factory at the Stanford Linear Accelerator Center. Based on a sample of 232×106 BB̄ decays, we measure the branching fraction B(B̄0→D*+ωπ-)=(2.88±0. 21(stat.)±0.31(syst.))×10-3. …”
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17
Measurement of the CP-violating asymmetries in B(0)-> K(s)(0)pi(0) and of the branching fraction B(0)-> K(0)pi(0)
Published 2008“…We present a measurement of the time-dependent CP-violating asymmetries in B0→KS0π0 decays based on 383×106 Υ(4S)→BB̄ events collected by the BABAR experiment at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. We measure the direct CP-violating asymmetry CKS0π0=0.24±0.15±0.03 and the CP-violating asymmetry in the interference between mixing and decay SKS0π0=0.40±0. 23±0.03, where the first errors are statistical and the second are systematic. …”
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18
Observation of a new D-s meson decaying to DK at a mass of 2.86 GeV/c(2)
Published 2006“…To obtain this result, we use 240fb-1 of data recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- storage rings at the Stanford Linear Accelerator Center running at center-of-mass energies near 10.6 GeV. © 2006 The American Physical Society.…”
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19
Observation of B0→χc0K*0 and evidence for B+→χc0K*+
Published 2008“…We present the observation of the decay B0→χc0K*0 as well as evidence of B+→χc0K*+, with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sample of 454×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II B meson factory located at the Stanford Linear Accelerator Center (SLAC). The measured branching fractions are B(B0→χc0K*0)=(1.7±0. 3±0.2)×10-4 and B(B+→χc0K*+)=(1.4±0. 5±0.2)×10-4, where the first quoted errors are statistical and the second are systematic. …”
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20
Observation of B0→K*0K̄*0 and search for B0→K*0K*0
Published 2008“…We report the observation of the b→d penguin-dominated decay B0→K*0K̄*0 with a sample of 383.2±4.2 million BB̄ pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e- collider at the Stanford Linear Accelerator Center. The measured branching fraction is B(B0→K*0K̄*0)=[1.28-0.30+0.35±0.11] ×10-6 and the fraction of longitudinal polarization is fL(B0→K*0K̄*0)=0.80-0.12+0.10±0.06. …”
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