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A. Zvyagin

Researcher at CERN

Publications -  343
Citations -  23511

A. Zvyagin is an academic researcher from CERN. The author has contributed to research in topics: Branching fraction & CP violation. The author has an hindex of 78, co-authored 342 publications receiving 21770 citations.

Papers
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Journal ArticleDOI

Test of lepton universality using b^{+}k^{+}ℓ^{+}ℓ^{-} decays

Roel Aaij, +701 more
TL;DR: The value of the ratio of branching fractions for the dilepton invariant mass squared range 1 < q(2) < 6 GeV(2)/c(4) is measured to be 0.745(-0.074)(+0.090)(stat) ± 0.036(syst).
Journal ArticleDOI

LHCb detector performance

Roel Aaij, +703 more
TL;DR: In this paper, the performance of the various LHCb sub-detectors and the trigger system are described, using data taken from 2010 to 2012, and it is shown that the design criteria of the experiment have been met.
Journal ArticleDOI

LHCb Detector Performance

Roel Aaij, +703 more
TL;DR: In this article, the performance of the various LHCb sub-detectors and the trigger system are described, using data taken from 2010 to 2012, and it is shown that the design criteria of the experiment have been met.
Journal ArticleDOI

Measurement of form-factor-independent observables in the decay B0→K*0μ+μ-

Roel Aaij, +656 more
TL;DR: A measurement of form-factor-independent angular observables in the decay B(0)→K*(892)(0)μ(+)μ(-) is presented, based on a data sample collected by the LHCb experiment in pp collisions at a center-of-mass energy of 7 TeV.
Journal ArticleDOI

The LHCb Trigger and its Performance in 2011

TL;DR: The LHCb trigger as mentioned in this paper selects particles originating from charm and beauty hadrons, which typically fly a finite distance before decaying, using a combination of lepton identification and measurements of the particles' transverse momenta.