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Aurelio Bay

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Related publications (871)

Study of charmonia in four-meson final states produced in two-photon collisions

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

2007

Measurement of branching fraction and time-dependent CP asymmetry parameters in B-0 ->(D+D-KS0) decays

Aurelio Bay, Olivier Schneider, Tagir Aushev, Chao Wang, Vladislav Balagura, Jing Li

We present a measurement of the branching fraction and time-dependent CP violation parameters for B-0 ->(D*+D*-KS0) decays. These results are obtained from a 414 fb(-1) data sample that contains 449x10(6) B (B) over bar pairs collected at the Upsilon(4S) r ...

American Physical Society2007

Measurement of D^{0}-D[over ¯]^{0} Mixing Parameters in D^{0}→K_{s}π^{+}π^{-} Decays

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

2007

Evidence for D0-D̄0 mixing

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

We observe evidence for D0-D̄0 mixing by measuring the difference in the apparent lifetime when a D0 meson decays to the CP eigenstates K+K- and π+π- and when it decays to the final state K-π+. We find the relative difference of the lifetimes yCP to be [1. ...

2007

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

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 the CP-Violating Decays Υ(4S)→B0B¯0→J/ψKS0+J/ψ(ηc)KS0

Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Jing Li

2007

Search for b→h(*)νν̄ decays at belle

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

We present a search for the rare decays B→h()νν̄, where h() stands for a light meson. A data sample of 535×106 BB̄ pairs collected with the Belle detector at the KEKB e+e- collider is used. Signal candidates are required to have an accompanying B meson f ...

2007

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

Measurements of branching fractions and q2 distributions for B → π ℓ ν and B → ρ ℓ ν decays with B → D(*) ℓ ν decay tagging

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

We report measurements of the charmless semileptonic decays B0 → π- / ρ- ℓ+ ν and B+ → π0 / ρ0 ℓ+ ν, based on a sample of 2.75 × 108B over(B, ̄) events collected at the Υ{hooked} (4 S) resonance with the Belle detector at the KEKB e+ e- asymmetric collider ...

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 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 the Θ(1540)+ pentaquark using kaon secondary interactions at Belle

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

Using kaon secondary interactions in the material of the Belle detector, we search for both inclusive and exclusive production of the Θ(1540) +. We set an upper limit of 2.5% at the 90% C.L. on the ratio of the Θ(1540)+ to Λ(1520) inclusive production cros ...

2006

Analysis of the π+ π- π+ π- and π+ π0 π- π0 final states in quasi-real two-photon collisions 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 reactions γ γ → π+ π- π+ π- and γ γ → π+ π0 π- π0 are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161 GeV to 209 GeV with a total integrated luminosity of 698 pb-1. A spin-parity-helicity analysis of t ...

2006

Observation of B+→Λc+Λc-K+ and B0→Λc+Λc-K0 Decays

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

American Physical Society2006

A search for flaring very-high-energy cosmic gamma-ray sources with the L3+C muon spectrometer

Eduardo Sanchez, Horst Vogel, Aurelio Bay, Yu Lei, Jian Zhao, Camille Haller, Liang Sun, Qian Wang, Zhirui Xu, Matthias Weber, Ji Hyun Kim, Werner Lustermann, Xiao Wang, Yifei Guo, Xuan Yang, Zheng Wang

The L3+C muon detector at the CERN electron-positron collider, LEP, is used for the detection of very-high-energy cosmic gamma-ray sources through the observation of muons of energies above 20, 30, 50 and 100 GeV. Daily or monthly excesses in the rate of s ...

Elsevier2006

LHCb Silicon Tracker Performance Studies

Aurelio Bay, Minh Tâm Tran, Christophe Bauer, Sergio Jiménez-Otero, Matthew Needham, Reto Frei

2006

FPGA-based signal processing for the LHCb silicon strip detectors☆

Aurelio Bay, Guido Haefeli

2006

Evidence for B→η^{′}π and Improved Measurements for B→η^{′}K

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

2006

Search for neutrinoless decays τ → ℓ h h and τ → ℓ V0

Aurelio Bay, Olivier Schneider, Sun Hee Kim, Stewart Cole

We have searched for neutrinoless τ lepton decays into ℓhh or ℓ V0, where ℓ stands for an electron or muon, h for a charged light hadron, π or K, and V0 for a neutral vector meson, ρ0, K* (892)0 and φ{symbol}, using a 158 fb-1 data sample collected with th ...

2006

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