[PDF] Top 20 Braz. J. Phys. vol.31 número2

... Round Table: Partiles and Fields Physis and the Brazilian Sienti Poliy. From left to right: Ronald C[r] ... See full document

... on new phenomena whih are not the usual neutrino osillations indued by masses and mixing... These solutions are based on dierent assumptions: a) resonant spin-avor preession indued by.[r] ... See full document

... deades, he had an important role in the development of theoretial physis in.. both ountries.[r] ... See full document

... Shr odinger equation is analytially and exatly solv-.. able by means of hypergeometri funtions.[r] ... See full document

... in the nal state (FSI eets) using the ross setion. of 4[r] ... See full document

... atomi speies presented in T able I with the GCHF [7℄. method[r] ... See full document

... The generalized Bose-Einstein distribution, within the dilute gas assumption, in the nonextensive.. Tsallis statistis is worked without approximation for the Bose-Einstein ondensation (B[r] ... See full document

... version, the fast swithing phase enoding gradients. blips were eliminated. This modiation seems per-[r] ... See full document

... We disuss a method for obtaining vetor onstants of motion for time-dependent entral elds.. I Introdution.[r] ... See full document

... gas phase, modies the plasma omposition, the surfae roughness of silion wafer, and the surfae.. reation.[r] ... See full document

... symmetry with N = 2 of the Higgs Abelian model and. the appearane of Bogomol'nyi equations[r] ... See full document

... tion of non linear terms into the evolution equation.. The region of.[r] ... See full document

... physis researh, the standard model being investigated.. thoroughly.[r] ... See full document

... The works on Cosmology and Gravitation presented during the XXI Brazilian National Meeting on.. Partile and Fields (BNMPF) are briey reviewed.[r] ... See full document

... hand, in D=4 spae-time, a Shwarz-type topologial gauge theory with antisymmetri tensor gauge.. eld, namely B ^ F model, is reviewed.[r] ... See full document

... A summary of the ontributions on Experimental High Energy Physis at the XXI Brazilian National.. Meeting on Partile and Fields is presented.[r] ... See full document

... are not modied by nonommutativity sine they are linear and no Moyal produts are required. The propagators are the same as in the ommutative ase[r] ... See full document

... model: the presene of nonbaryoni \dark matter" in galaxies.. Using Newton's law of gravitation,.[r] ... See full document

... the urrent realizations of ination based on fundamental salar matter elds, and review some new.. approahes at solving these problems.[r] ... See full document

... the ultra high energy osmi rays [21℄. From the Hillas[r] ... See full document