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19942022
most citedObservation of a Broad Structure in the Mass Spectrum around 4.26 GeV/

744 citations · 5.7k across the 115 of their papers we have counts for

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Showing 2005 · hep-exShow all

23 papers · 2 filters

hep-ex2005★ 30 cited

New Measurements of Cabibbo-Suppressed Decays of D Mesons in CLEO-c

P. Rubin, CLEO Collaboration

Using 281 pb^-1 of data collected with the CLEO-c detector, we report on first observations and new measurements of Cabibbo-suppressed decays of D mesons to 2, 3, 4, and 5 pions. B…

hep-ex2005★ 10 cited

Search for rare quark-annihilation decays, B --> Ds(*) Phi

The BABAR Collaboration, B. Aubert

We report on searches for B- --> Ds- Phi and B- --> Ds*- Phi. In the context of the Standard Model, these decays are expected to be highly suppressed since they proceed through ann…

hep-ex2005★ 20 cited

Experimental Study of chi_b(2P) --> pi pi chi_b(1P)

C. Cawlfield, CLEO Collaboration

We have searched for the di-pion transition chi_b(2P) -> pi pi chi_b(1P) in the CLEO III sample of Upsilon(3S) decays in the exclusive decay chain: Upsilon(3S) -> gamma chi_b(2P),…

hep-ex2005★ 41 cited

A Search for the rare decay B0 --> tau+tau- at BABAR

The BABAR Collaboration, B. Aubert

We present the results of a search for the decay B0 --> tau+tau- in a data sample of (232 +- 3) x 10^6 Upsilon(4S) --> BBbar decays using the BABAR detector. Certain extensions of…

hep-ex2005★ 4 cited

Measurements of the Absolute Branching Fractions of B^\pm --> K^\pm X_{c\bar c}

The BABAR Collaboration, B. Aubert

We study the two-body decays of B^\pm mesons to K^\pm and a charmonium state, X_{c\bar c}, in a sample of 210.5 fb^{-1} of data from the BaBar experiment. We perform measurements o…

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★ 28 cited

Search for Exclusive Multi-Body Non-DbarD Decays at the psi(3770)

G. S. Huang, CLEO Collaboration

Using data collected at the psi(3770) resonance with the CLEO-c detector at the Cornell e^+e^- storage ring, we present searches for 25 charmless decay modes of the psi(3770), most…

hep-ex2005★ 16 cited

Measurement of Branching Fractions and Resonance Contributions for B0 -> D0bar K+ pi- and Search for B0 -> D0 K+ pi- Decays

The BABAR Collaboration, B. Aubert

Using 226 million events collected with the BaBar detector at the PEP-II storage ring at the Stanford Linear Accelerator Center, we measure the branchi…

hep-ex2005★ 44 cited

First Observation of psi(3770) --> gamma chi_{c1} --> gamma gamma J/psi

T. E. Coan, CLEO Collaboration

From e+e- collision data acquired with the CLEO detector at CESR, we observe the non-D Dbar decay psi(3770)->gamma chi_c1 with a statistical significance of 6.6 standard deviations…

hep-ex2005★ 68 cited

Observation of the ^1P_1 State of Charmonium

P. Rubin, CLEO Collaboration

The spin-singlet P-wave state of charmonium, hc(1P1), has been observed in the decay psi(2S) -> pi0 hc followed by hc -> gamma etac. Inclusive and exclusive analyses of the M(hc) s…

hep-ex2005★ 25 cited

Search for Rare and Forbidden Decays D^+ --> h^pm e^mp e^+

Q. He

Using 0.8 million D^+D^- pairs collected with the CLEO-c detector at the psi(3770) resonance, we have searched for flavor-changing neutral current and lepton-number-violating decay…

hep-ex2005★ 186 cited

Measurement of Double Charmonium Production in Annihilations at GeV

The BABAR Collaboration, B. Aubert

We study by measuring the invariant mass distribution recoiling against fully reconstructed decays, using 124 fb of data collected with a cente…

hep-ex2005★ 100 cited

Study of the X(3872) and Y(4260) in B0-->J/psi pi+ pi- K0 and B-->J/psi pi+ pi- K- decays

B. Aubert, BABAR Collaboration

We present results of a search for the X(3872) in B0-->X(3872)KS0,X(3872)-->J/psi pi+ pi-, improved measurements of B-->X(3872)K-, and a study of the J/psi pi+ pi- mass region abov…

hep-ex2005★ 19 cited

Measurement of the B0bar Lifetime and the B0B0bar Oscillation Frequency Using Partially Reconstructed B0bar --> D*+ ell- nu-bar Decays

The BABAR Collaboration, B. Aubert

We present a simultaneous measurement of the B0bar lifetime tau_B0 and B0B0bar oscillation frequency Delta_md. We use a sample of about 50000 partially reconstructed B0bar --> D*+…

hep-ex2005★ 27 cited

Dalitz Plot Analysis of D0-->K0bar K+ K-

B. Aubert, BABAR Collaboration

A Dalitz plot analysis of approximately 12500 D0 events reconstructed in the hadronic decay D0-->K0bar K+ K- is presented. This analysis is based on a data sample of 91.5 fb-1 coll…

hep-ex2005★ 1 cited

Measurement of the B+ --> p pbar K+ Branching Fraction and Study of the Decay Dynamics

B. Aubert, BABAR Collaboration

With a sample of 232x10^6 Upsilon(4S) --> BBbar events collected with the BaBar detector, we study the decay B+ --> p pbar K+ excluding charmonium decays to ppbar. We measure a bra…

hep-ex2005★ 46 cited

Absolute Branching Fraction Measurements of Exclusive D^0 Semileptonic Decays

T. E. Coan

With the first data sample collected by the CLEO-c detector at the psi(3770) resonance we have studied four exclusive semileptonic decays of the D0 meson. Our results include the f…

hep-ex2005★ 744 cited

Observation of a Broad Structure in the Mass Spectrum around 4.26 GeV/

The BABAR Collaboration, B. Aubert

We study initial-state radiation events, , with data collected with the BaBar detector. We observe an accumulation of events near 4.26 GeV/ in the…

hep-ex2005★ 32 cited

Observation of Thirteen New Exclusive Multi-Body Hadronic Decays of the

R. A Briere, CLEO Collaboration

Using data accumulated with the CLEO detector corresponding to an integrated luminosity of 5.63 pb^-1 on the peak of the psi(2S) and 20.70 pb^-1 continuum at 3.67 GeV, we report fi…

hep-ex2005★ 86 cited

Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B-+ -> D(*)K-+ decays with a Dalitz analysis of D -> K0s pi- pi+

B. Aubert, BABAR Collaboration

We report on a measurement of the Cabibbo-Kobayashi-Maskawa CP-violating phase gamma through a Dalitz analysis of neutral D decays to K0s pi- pi+ in the processes B-+ -> D(*)K-+, D…

hep-ex2005★ 37 cited

Improved Measurement of the CKM Angle alpha Using B0->rho+rho- Decays

BABAR Collaboration, B. Aubert

We present results from an analysis of B0 -> rho+rho- using 232 million Upsilon(4S) decays collected with the BABAR detector at the PEP-II asymmetric-energy Factory at SLAC. We…

hep-ex2005★ 45 cited

Branching Fractions for psi(2S) to J/psi Transitions

N. E. Adam, CLEO Collaboration

We describe new measurements of the inclusive and exclusive branching fractions for Psi(2S) transitions to J/Psi using e+e- collision data collected with the CLEO detector operatin…

hep-ex2005★ 20 cited

Study of tau Decays to Four-Hadron Final States with Kaons

K. Arms, CLEO Collaboration

The tau decays to four hadrons have been studied with the CLEO III detector at the Cornell Electron Storage Ring (CESR) using (7.56 +- 0.15) fb^{-1} of data collected near the Y(4S…