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- D Acosta, J Adelman, T Affolder, T Akimoto, M G Albrow, D Ambrose +494 others
- Physical review letters
- 2005

We present the first evidence of charmless decays of the B(0)(s) meson, the decay B(0)(s)--> phiphi, and a measurement of the branching ratio BR(B(0)(s)--> phiphi) using 180 pb(-1) of data collected by the CDF II experiment at the Fermilab Tevatron collider. In addition, the BR and direct CP asymmetry for the B+-->phiK+ decay are measured. We obtain… (More)

We have studied the properties of the phase transition in the U(1) compact pure gauge model paying special atention to the influence of the topology of the boundary conditions. From the behavior of the energy cumulants and the observation of an effective ν ∼ 1/d on toroidal and spherical lattices, we conclude that the transition is first order. We have… (More)

- J L Alonso, V Azcoiti, I Campos, J C Ciria, A Cruz, D Iñiguez +11 others
- 1992

We study numerically the critical properties of the U(1)-Higgs lattice model, with fixed Higgs modulus, in the region of small gauge coupling where the Higgs and Confining phases merge. We find evidence of a first order transition line that ends in a second order point. By means of a rotation in parameter space we introduce thermody-namic magnitudes and… (More)

- E Shaw, A Gomila, M Piriz, F Obradors, R Escofet, R Vazquez +11 others
- Antimicrobial Resistance and Infection Control
- 2015

- F Belletti, A Cruz, L A Fernandez, A Gordillo-Guerrero, M Guidetti, A Maiorano +18 others
- 2008

Using the dedicated computer Janus, we follow the nonequilibrium dynamics of the Ising spin glass in three dimensions for eleven orders of magnitude. The use of integral estimators for the coherence and correlation lengths allows us to study dynamic hetero-geneities and the presence of a replicon mode and to obtain safe bounds on the Edwards-Anderson order… (More)

- A Abulencia, D Acosta, J Adelman, T Affolder, T Akimoto, M G Albrow +494 others
- Physical review letters
- 2006

We present the first precise measurement of the Bs0-Bs0 oscillation frequency Deltams. We use 1 fb-1 of data from pp collisions at sqrts=1.96 TeV collected with the CDF II detector at the Fermilab Tevatron. The sample contains signals of 3600 fully reconstructed hadronic Bs decays and 37,000 partially reconstructed semileptonic Bs decays. We measure the… (More)

- J M Carmona, A Cruz, L A Fernández, S Jiménez, V Martín-Mayor, A Muñoz-Sudupe +4 others
- 2003

It is shown that a bosonic formulation of the double-exchange model, one of the classical models for magnetism, generates dynamically a gauge-invariant phase in a finite region of the phase diagram. We use analytical methods, Monte Carlo simulations and Finite-Size Scaling analysis. We study the transition line between that region and the paramagnetic… (More)

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