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Ch Yèche

Researcher at Université Paris-Saclay

Publications -  575
Citations -  22138

Ch Yèche is an academic researcher from Université Paris-Saclay. The author has contributed to research in topics: Branching fraction & CP violation. The author has an hindex of 74, co-authored 575 publications receiving 20729 citations. Previous affiliations of Ch Yèche include University of Coimbra & DSM.

Papers
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Journal ArticleDOI

Evidence for an excess of B̄→D( *)τ -ν ̄τ decays

J. P. Lees, +365 more
TL;DR: In this article, the BaBar data sample was used to investigate the sensitivity of BaBar ratios to new physics contributions in the form of a charged Higgs boson in the type II two-Higgs doublet model.
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Observation of a broad structure in the pi(+)pi(-)J/psi mass spectrum around 4.26 GeV/c(2)

Bernard Aubert, +634 more
TL;DR: Fits to the mass spectrum indicate that a broad resonance with a mass of about 4.26 GeV/c2 is required to describe the observed structure, and the presence of additional narrow resonances cannot be excluded.
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Observation of a Narrow Meson State Decaying to Ds+π0 at a Mass of 2.32 GeV/c2

Bernard Aubert, +583 more
TL;DR: In this paper, the authors observed a narrow state near 2.32 GeV/c(2) in the inclusive D(+)(s)pi(0) invariant mass distribution from e(+)e(-) annihilation data at energies near 10.6 GeV.
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Study of the B- → J/ΨK -π+π- decay and measurement of the B - → X(3872)K- branching fraction

Bernard Aubert, +604 more
- 01 Apr 2005 - 
TL;DR: In this article, the decay of B{bar B} events collected at the BaBar detector at the PEP-II e{sup +}e{sup -} asymmetric energy storage ring was studied.
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Measurement of the gamma gamma* --> pi0 transition form factor

J. P. Lees, +466 more
- 11 Sep 2009 - 
TL;DR: In this article, the authors measured the gamma gamma* > pi0 transition form factor in the momentum transfer range from 4 to 40 GeV^2 with the BABAR detector at e+e-center-of-mass energies near 10.6 GeV.