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Aurelio Bay

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Publications associées (871)

Measurement of branching fraction and direct CP asymmetry in B0→ρ0π0 decays

Christian Jacoby, Jean Wicht, Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Vladislav Balagura, Lei Zhang, Jing Li

American Physical Society2006

Measurement of the branching fraction, polarization, and CP asymmetry for B0→ρ+ρ- Decays, and determination of the cabibbo-kobayashi-maskawa phase 2

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

We have measured the branching fraction B, longitudinal polarization fraction fL, and CP asymmetry coefficients A and S for B0→ρ+ρ- decays with the Belle detector at the KEKB e+e- collider using 253fb-1 of data. We obtain B=[22.8±3.8(stat)-2.6+2.3(syst)]×1 ...

2006

Search for the decay B0→γγ

Christian Jacoby, Jean Wicht, Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Stewart Cole, Chao Wang, Vladislav Balagura, Lei Zhang

The rare decay B0→γγ is searched for in 104fb-1 of data, corresponding to 111×106BB̄ pairs, collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for the signal is found, and an upper limit of 6.2×10-7 at 90% confidence ...

American Physical Society2006

Study of J/ψ→pp¯,ΛΛ¯ and Observation of ηc→ΛΛ¯ at Belle

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

2006

Evidence of the purely leptonic decay B-→τ-ν̄τ

Aurelio Bay, Tagir Aushev, Stewart Cole, Vladislav Balagura

We present the first evidence of the decay B-→τ-ν̄τ, using 414fb-1 of data collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. Events are tagged by fully reconstructing one of the B mesons in hadronic modes ...

2006

The LHCb Silicon Tracker Project

Aurelio Bay, Christophe Bauer

2006

Measurement of the Quark Mixing Parameter cos⁡2ϕ_{1} Using Time-Dependent Dalitz Analysis of B[over ¯]^{0}→D[K_{S}^{0}π^{+}π^{-}]h^{0}

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

2006

Measurement of D0→πlν(Klν) Form Factors and Absolute Branching Fractions

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

2006

Observation of New States Decaying into Λ_{c}^{+}K^{-}π^{+} and Λ_{c}^{+}K_{S}^{0}π^{-}

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

2006

Improved measurements of branching fractions and CP partial rate asymmetries for B→ωK and B→ωπ

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

American Physical Society2006

Search for neutral MSSM Higgs bosons at LEP

André Rouge, Eduardo Sanchez, Horst Vogel, Aurelio Bay, Jian Zhao, Bénédicte Marie Maréchal, Frédéric Teubert, Rémy Teuscher, Liang Sun, Shan Jin, Songmei Wu, Qian Wang, Greig Alan Cowan, Csaba Hajdu, Zhirui Xu, Francesco Cerutti, Mark Tobin, Peter Hansen, Lei Zhang, John Wilson, Paolo Ronchese, Matthias Weber, Ji Hyun Kim, Georgios Anagnostou, Simone Campana, Werner Lustermann, Xiao Wang, Zheng Wang

2006

The LHCb DAQ interface board TELL1☆

Aurelio Bay, Guido Haefeli, Niko Neufeld, Olivier Schneider

2006

Observation of B0→π0π0

Aurelio Bay, Sun Hee Kim, Tagir Aushev, Sanjeev Kumar, Ji Hyun Kim, Jing Li

We report the observation of the decay B0→π0π0, using a 253fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB e+e- collider. The measured branching fraction is B(B0→π0π0)= (2.3-0.5-0.3+0.4+0.2)×10-6, with a significance o ...

2005

Determination of |Vub| from measurements of the inclusive charmless semileptonic partial rates of B mesons using full reconstruction tags

Aurelio Bay, Sun Hee Kim, Stewart Cole, Sanjeev Kumar, Jing Li

We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element data collected by the Belle detector at the KEKB e+e-asymmetric collider. Events are tagged by fully reconstructing one of the B mesons, produced in pairs from Υ(4S). The signal for b ...

2005

Search for D0-D¯0 Mixing in D0→K+π- Decays and Measurement of the Doubly-Cabibbo-Suppressed Decay Rate

Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Stewart Cole, Chao Wang, Yuan Yuan, Lei Zhang, Ji Hyun Kim, Zheng Zheng, Zhi Zheng, Jing Li

2005

Measurement of the photon structure function F2 γ with the L3 detector at LEP

Eduardo Sanchez, Horst Vogel, Aurelio Bay, Jian Zhao, Liang Sun, Qian Wang, Zhirui Xu, Matthias Weber, Ji Hyun Kim, Werner Lustermann, Xiao Wang, Zheng Wang

The e+e-→e+e-hadrons reaction, where one of the two electrons is detected in a low polar-angle calorimeter, is analysed in order to measure the hadronic photon structure function F2 γ. The full high-energy and high-luminosity data set, collected with the L ...

2005

Measurement of the branching fraction and CP asymmetry in B+ ρ +π0

Aurelio Bay, Tagir Aushev, Sanjeev Kumar, Ji Hyun Kim, Jing Li

We report a measurement of the branching fraction for the decay B + → ρ+π0 based on a 140 fb -1 data sample collected with the Belle detector at the KEKB asymmetric e+e- collider. We measure the branching fraction B(B+ →+π0) = (13.2 ± 2.3(stat)-1.9 +(syst) ...

2005

Search for an invisibly-decaying Higgs boson at LEP

Eduardo Sanchez, Horst Vogel, Aurelio Bay, Jian Zhao, Liang Sun, Qian Wang, Zhirui Xu, Matthias Weber, Ji Hyun Kim, Werner Lustermann, Xiao Wang, Zheng Wang

A search for a Higgs boson produced in e(+)e(-) collisions in association with a Z boson and decaying into invisible particles is performed. Data collected at LEP with the U detector at centre-of-mass energies from 189 to 209 GeV are used, corresponding to ...

Elsevier2005

Measurement of masses and branching ratios of and baryons

Aurelio Bay

2005

Measurements of B decays to two kaons

Aurelio Bay, Sun Hee Kim, Tagir Aushev, Stewart Cole, Vladislav Balagura, Ji Hyun Kim, Jing Li

We report measurements of B meson decays to two kaons using 253fb-1 of data collected with the Belle detector at the KEKB energy-asymmetric e+e- collider. We find evidence for signals in B+→K̄0K+ and B0→K0K̄0 with significances of 3.0σ and 3.5σ, respective ...

2005

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