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A. M. Lopez

Researcher at Spanish National Research Council

Publications -  211
Citations -  13599

A. M. Lopez is an academic researcher from Spanish National Research Council. The author has contributed to research in topics: Large Hadron Collider & Standard Model. The author has an hindex of 63, co-authored 205 publications receiving 12932 citations. Previous affiliations of A. M. Lopez include Centre national de la recherche scientifique & University of Cantabria.

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Journal ArticleDOI

Measurement of the ratio of the vector to pseudoscalar charm semileptonic decay rate Γ(D+→K¯*0μ+νμ)/Γ(D+→K¯0μ+νμ)

J. M. Link, +106 more
- 23 Sep 2004 - 
TL;DR: In this article, Hagiwara et al. used a high statistics sample of photo-produced charm particles from the FOCUS experiment at Fermilab, and reported the measurement of the ratio of semileptonic rates Γ ( D + → K π μ + ν μ ) / Γ( D+ → K ¯ 0 μ+ νμ ) = 0.625 ± 0.065.
Journal ArticleDOI

Study of the decay mode D0 → K-K -K+π+

J. M. Link, +107 more
- 27 Nov 2003 - 
TL;DR: In this article, a new measurement of the branching ratio for the Cabibbo-favored decay mode D0→K−K−π+π+ was presented.
Journal ArticleDOI

Search for a narrow, spin-2 resonance decaying to a pair of Z bosons in the qq̄ℓ+ℓ- final state

S. Chatrchyan, +2185 more
- 29 Jan 2013 - 
TL;DR: In this paper, a search for a spin-2 resonance decaying into a pair of Z bosons was conducted, with one Z-boson decaying into leptons and the other into jets.
Journal ArticleDOI

Search for supersymmetry in events with opposite-sign dileptons and missing transverse energy using an artificial neural network

S. Chatrchyan, +2172 more
- 02 Apr 2013 - 
TL;DR: In this article, an artificial neural network is employed to discriminate possible supersymmetry signals from a standard model background, and agreement is found between standard model expectation and observations, yielding limits in the context of the constrained minimal supersymmetric standard model and on a set of simplified models.