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Showing 2007 · hep-exShow all

50 papers · 2 filters

hep-ex2007★ 29 cited

A Measurement of the Branching Fractions of exclusive Bbar -> D(*)(pi)l-nubar Decays in Events with a Fully Reconstructed B Meson

The BABAR Collaboration, B. Aubert

We report a measurement of the branching fractions for Bbar -> D(*)(pi)l-nubar decays based on 341.1 fb-1 of data collected at the Upsilon(4S) resonance with the babar detector at…

hep-ex2007★ 10 cited

Time-dependent Dalitz plot analysis of B0 -> D-(+) K0 Pi+(-) decays

The BABAR Collaboration, B. Aubert

We present for the first time a measurement of the weak phase 2b+g obtained from a time-dependent Dalitz plot analysis of B^0 -> D-(+) K0 Pi+(-) decays. Using a sample of approxima…

hep-ex2007★ 49 cited

Measurement of D0-anti-D0 Mixing using the Ratio of Lifetimes for the Decays D0 --> K-pi+, K-K+, and pi-pi+

The BABAR Collaboration, B. Aubert

We present a measurement of - mixing parameters using the ratios of lifetimes extracted from a sample of mesons produced through the process $D^{*+}\to\D^0π^+…

hep-ex2007★ 9 cited

Measurement of the absolute branching ratios for semileptonic K+/- decays with the KLOE detector

KLOE Collaboration

Using a sample of over 600 million phi->K+K- decays collected at the Dafne e+e- collider, we have measured with the KLOE detector the absolute branching ratios for the charged kaon…

hep-ex2007★ 4 cited

Measurement of the KS->gg branching ratio using a pure KS beam with the KLOE detector

The KLOE collaboration

We have searched for the decay KS->gg in a sample of 2x10^9 phi->KS KL decays collected at DAPHNE with an integrated luminosity of 1.9 fb^{-1}. KS are tagged by the KL interaction…

hep-ex2007★ 100 cited

Measurement of the B --> X_s gamma Branching Fraction and Photon Energy Spectrum using the Recoil Method

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fraction and photon energy spectrum for the decay B --> X_s gamma using data from the BaBar experiment. The data sample corresponds to an…

hep-ex2007★ 38 cited

Dalitz Plot Analysis of the Decay B0(B0bar) --> K+/- pi-/+ pi0

The BABAR Collaboration, B. Aubert

We report a Dalitz-plot analysis of the charmless hadronic decays of neutral B mesons to K^+/- pi^-/+ pi^0. With a sample of (231.8+/-2.6) 10^6 Upsilon(4S) to B Bbar decays collect…

hep-ex2007★ 6 cited

Precise measurements of the eta and the neutral kaon meson masses with the KLOE detector

F. Ambrosino, A. Antonelli, M. Antonelli +73

We present precise measurements of the eta and K0 masses using the processes phi to eta gamma, eta to gamma gamma and phi to Ks Kl, Ks to pi+ pi-. The K0 mass measurement, M_K=497.…

hep-ex2007★ 61 cited

A study of Bbar -> Xi_c Lambda_c^- and Bbar -> Lambda_c^+ Lambda_c^- Kbar decays at BABAR

The BABAR Collaboration, B. Aubert

We report measurements of B-meson decays into two- and three-body final states containing two charmed baryons using a sample of 230 million Y(4S) -> B Bbar decays. We find signific…

hep-ex2007★ 102 cited

A Study of Excited Charm-Strange Baryons with Evidence for new Baryons Ξ_c(3055)^+ and Ξ_c(3123)^+

The BABAR Collaboration, B. Aubert

We present a study of excited charm-strange baryon states produced in annihilations at or near a center-of-mass energy of , in a data sampl…

hep-ex2007★ 12 cited

Measurement of the K_L \to πμνform factor parameters with the KLOE detector

KLOE Collaboration

Using 328 pb^{-1}of data collected at DAFNE corresponding to 1.8 million decays, we have measured the form factor parameters. The structure of the $K-π…

hep-ex2007★ 4 cited

A Study of the Radiative Ke3 Decay and Search for Direct Photon Emission with the KLOE Detector

Kloe Collaboration

We present a measurement of the ratio R = Γ(\keg;\Estar>30\mev,\qstar>20^\circ)Γ(\kegf)$ and a first measurement of the direct emission contribution in KL semileptonic decays. T…

hep-ex2007★ 16 cited

Observation of B^+ Meson Decays to a1(1260)^+ K^0 and B^0 to a1(1260)^- K^+

The BABAR Collaboration, B. Aubert

We present branching fraction measurements of the decays B^{+} -> a1(1260)^{+} K^{0} and B^{0} to a1(1260)^{-} K^{+} with a1(1260)^{+} -> pi^{-} pi^{+} pi^{+}. The data sample corr…

hep-ex2007★ 26 cited

Large-angle production of charged pions by 3 GeV/c - 12 GeV/c protons on carbon, copper and tin targets

HARP Collaboration

A measurement of the double-differential production cross-section in proton--carbon, proton--copper and proton--tin collisions in the range of pion momentum $100 \MeVc \l…

hep-ex2007★ 24 cited

Large-angle production of charged pions by 3 GeV/c - 12.9 GeV/c protons on beryllium, aluminium and lead targets

HARP Collaboration

Measurements of the double-differential production cross-section in the range of momentum $100 \MeVc \leq p < 800 \MeVc$ and angle $0.35 \rad \leq θ< 2.15 \rad$ in proton…

hep-ex2007★ 146 cited

Study of e+e- --> Lambda anti-Lambda, Lambda anti-Sigma0, Sigma0 anti-Sigma0 using Initial State Radiation with BABAR

The BABAR Collaboration, B. Aubert

We study the e+e- --> Lambda anti-Lambda gamma, Lambda anti-Sigma0 gamma, Sigma0 anti-Sigma0 gamma processes using 230 fb-1 of integrated luminosity collected by the BABAR detector…

hep-ex2007★ 99 cited

Observation of the Semileptonic Decays B --> D* tau nubar and Evidence for B --> D tau nubar

The BABAR Collaboration, B. Aubert

We present measurements of the semileptonic decays B- --> D0 tau- nubar, B- --> D*0 tau- nubar, B0bar --> D+ tau- nubar, and B0bar --> D*+ tau- nubar, which are potentially sensiti…

hep-ex2007★ 11 cited

Associated Charm Production in Neutrino-Nucleus Interactions

The CHORUS Collaboration

In this paper a search for associated charm production both in neutral and charged current -nucleus interactions is presented. The improvement of automatic scanning systems in t…

hep-ex2007★ 14 cited

Charged-Particle Multiplicities in Charged-Current Neutrino-- and Anti-Neutrino--Nucleus Interactions

The CHORUS Collaboration

The CHORUS experiment, designed to search for oscillations, consists of a nuclear emulsion target and electronic detectors. In this paper, results on the production of…

hep-ex2007★ 75 cited

A search for B+ --> tau+ nu with Hadronic B tags

The BABAR Collaboration, B. Aubert

We present a search for the decay B^+ --> tau^+ nu using $383 \times 10^{6}}$ BBbar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B Factor…

hep-ex2007★ 21 cited

Measurement of cos2beta in B0->D(*)h0 Decays with a Time-Dependent Dalitz Plot Analysis of D->KSpi+pi-

The BABAR Collaboration, B. Aubert

We study the time-dependent Dalitz plot of D->KSpi+pi- in B0->D(*)h0 decays, where h0 is a pi0, eta, eta', or omega meson and D*->Dpi0 using a data sample of 383 X 10^6 Upsilon(4S)…

hep-ex2007★ 16 cited

Measurements of Partial Branching Fractions for Bbar --> X_u ell nubar and Determination of |V_{ub}|

The BABAR Collaboration, B. Aubert et al

We present partial branching fractions for inclusive charmless semileptonic B decays Bbar --> X_u ell nubar, and the determination of the CKM matrix element |V_{ub}|. The analysis…

hep-ex2007★ 14 cited

Measurements of the Branching Fractions of B0 --> K^*0K+K-, B0 --> K^*0pi+K-, B0 --> K*0K+pi-, and B0 --> K*0pi+pi-

The BABAR Collaboration, B. Aubert

Branching fraction and asymmetry measurements of charmless ( = , ) decays are presented, using a data sample of 383 million $B\…

hep-ex2007★ 183 cited

The , 2(π^+π^-)ηK^+ K^-π^+π^-π^0K^+ K^-π^+π^-η$ Cross Sections Measured with Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the processes , , and with the hard photon radiated from the initial state. About 20000, 4300,…