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Stewart Cole

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Publications associées (266)

Moments of the hadronic invariant mass spectrum in B→Xclν decays at Belle

Aurelio Bay, Olivier Schneider, Mingkui Wang, Stewart Cole, Chao Wang, Lei Zhang

We present a measurement of the hadronic invariant mass squared (MX2) spectrum in charmed semileptonic B meson decays B→Xc ν based on 140fb-1 of Belle data collected near the Υ(4S) resonance. We determine the first, the second central, and the second nonce ...

American Physical Society2007

Measurement of the τ lepton mass and an upper limit on the mass difference between τ+ and τ-

Aurelio Bay, Olivier Schneider, Tagir Aushev, Stewart Cole, Chao Wang

The mass of the τ lepton has been measured in the decay mode τ→3πντ using a pseudomass technique. The result obtained from 414fb-1 of data collected with the Belle detector is Mτ=[1776.61±0. 13(stat)±0.35(sys)]MeV/c2. The upper limit on the relative mass d ...

2007

Search for B+→J/ψη′K+ and B0→J/ψη′KS0 decays

Aurelio Bay, Olivier Schneider, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Vladislav Balagura, Lei Zhang

We report the results of searches for B+→J/ψη′K+ and B0→J/ψη′KS0 decays, using a sample of 388×106 BB̄ pairs collected with the Belle detector at the Υ(4S) resonance. No statistically significant signal is found for either of the two decay modes and upper ...

American Physical Society2007

Study of the charmed baryonic decays B̄0→Σc++p̄π- and B̄0→Σc0p̄π+

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Lei Zhang, Jing Li

We study the three-body charmed baryonic decays B̄0→Σ c++p̄π- and B̄0→Σc0p̄π+ in the four-body final state B̄0→Λc+p̄π+π-, using a data sample of 357fb-1 accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. ...

American Physical Society2007

Improved measurement of CP-violating parameters in B→ρ+ρ- decays

Olivier Schneider, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang

We present a measurement of the CP-violating asymmetry in B0→ρ+ρ- decays using 535×106 BB̄ pairs collected with the Belle detector at the KEKB e+e- collider. We measure CP-violating coefficients A=0.16±0.21(stat)±0.08(syst) and S=0.19±0. 30(stat)±0.08(syst ...

American Physical Society2007

Observation of direct CP violation in B0→π+π- decays and model-independent constraints on the quark-mixing angle 2

Olivier Schneider, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Lei Zhang

We report a new measurement of the time-dependent CP-violating parameters in B0→π+π- decays with 535×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider operating at the Υ(4S) resonance. We find 1464±65 B0→π+π- event ...

2007

Measurement of inclusive Ds, D0, and J/ψ rates and determination of the Bs()B̄s() production fraction in bb̄ events at the Υ(5S) resonance

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Stewart Cole, Chao Wang, Lei Zhang, Jing Li

The inclusive production of Ds, D0, and J/ψ mesons is studied using a 1.86fb-1 data sample collected on the Υ(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The number of bb̄ events in this Υ(5S) data sample is determine ...

2007

Experimental constraints on the spin and parity of the Λc(2880)+

Aurelio Bay, Olivier Schneider, Tagir Aushev, Stewart Cole, Chao Wang, Vladislav Balagura, Lei Zhang

We report the results of several studies of the Λc+π+π-X final state in continuum e+e- annihilation data collected by the Belle detector. An analysis of angular distributions in Λc(2880)+→Σc(2455)0, ++π+,- decays strongly favors a Λc(2880)+ spin assignment ...

2007

A protein linkage map of the ESAT-6 secretion system 1 (ESX-1) of Mycobacterium tuberculosis

Stewart Cole

Tuberculosis is a chronic infectious disease caused by bacteria of the Mycobacterium tuberculosis complex. One of the major contributors to virulence and intercellular spread of M. tuberculosis is the ESAT-6 secretion system 1 (ESX-1) that has been lost by ...

2007

Study of B+→pΛ¯γ, pΛ¯π0 and B0→pΛ¯π-

Olivier Schneider, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang

American Physical Society2007

Observation of a Charmoniumlike State Produced in Association with a J/ψ in e+e- Annihilation at s≈10.6 GeV

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Vladislav Balagura, Lei Zhang

2007

Measurements of time-dependent CP violation in B^{0}→ωK_{S}^{0}, f_{0}(980)K_{S}^{0}, K_{S}^{0}π^{0} and K^{+}K^{-}K_{S}^{0} decays

Olivier Schneider, Stewart Cole, Chao Wang

American Physical Society2007

Measurement of the Near-Threshold e+e-→D()±D()∓ Cross Section using Initial-State Radiation

Aurelio Bay, Olivier Schneider, Tagir Aushev, Stewart Cole, Chao Wang, Vladislav Balagura

2007

Measurement of charmless B decays to ηK* and ηρ

Aurelio Bay, Olivier Schneider, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang

American Physical Society2007

Measurement of Einstein-Podolsky-Rosen-Type Flavor Entanglement in Υ(4S)→B0B¯0 Decays

Christian Jacoby, Jean Wicht, Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang

2007

Observation of the Decay B0→J/ψη

Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Lei Zhang

2007

Search for Invisible Decay of the Υ(1S)

Jean Wicht, Olivier Schneider, Sun Hee Kim, Mingkui Wang, Stewart Cole, Chao Wang

2007

A point mutation in the two-component regulator PhoP-PhoR accounts for the absence of polyketide-derived acyltrehaloses but not that of phthiocerol dimycocerosates in Mycobacterium tuberculosis H37Ra

Stewart Cole

Similarities between Mycobacterium tuberculosis phoP-phoR mutants and the attenuated laboratory strain M. tuberculosis H37Ra in terms of morphological and cytochemical properties, lipid content, gene expression and virulence attenuation prompted us to anal ...

American Society for Microbiology2007

Towards new tuberculosis drugs

Stewart Cole

The need for better drugs to treat tuberculosis has never been greater. Despite insufficient funding for discovery research, intensive efforts have been made to find and develop new lead compounds capable of reducing the duration of the present treatment k ...

2007

Genome plasticity of BCG and impact on vaccine efficacy

Stewart Cole

To understand the evolution, attenuation, and variable protective efficacy of bacillus Calmette-Guérin (BCG) vaccines, Mycobacterium bovis BCG Pasteur 1173P2 has been subjected to comparative genome and transcriptome analysis. The 4,374,522-bp genome conta ...

National Academy of Sciences2007

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