Braz. J. Phys. vol.31 número2

Studies of blak hole formation from gravitational ollapse have revealed interesting non-linear.. phenomena at the threshold of blak

We onsider the saling behavior in the ritial domain of superondutors at zero external

trap and laser system being built in Rio, to trap and perform high resolution spetrosopy on.. old hydrogen, is presented along with a disussion on the tehniques and

An ultrastati spaetime admits a globally dened oordinate system in whih the omponents of the metri tensor are time-. independent and the onditions g00 = 1 and goi =

Four-jet Higgs boson andidate with a reonstruted Higgs boson mass of 112.9 GeV/ 2. All four jets

and magneti harges, being dierent from monopoles (magneti or eletri), the topologial ontent.. of monopoles, surfae terms, Dira strings and hiral struture in the inlusion of

the ultra high energy osmi rays [21℄. From

are not modied by nonommutativity sine they are linear and no Moyal produts are required. The propagators are the same as in the