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Search Results: 1 - 10 of 4405 matches for " ?ngela Torma Pietro "
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Acesso a informa o para constru o da cidadania: o abuso sexual infantil em debate
ngela Torma Pietro,Maria ?ngela Mattar Yunes,Deise Parula Munhoz,Ver?nica Fellipe da Lima Foes
BIBLOS : Revista do Instituto de Ciências Humanas e da Informa??o , 2009,
Abstract: O acesso a educa o, bem como à informa o, legitimam a cidadania ao homem, oferecendo ao indivíduo o conhecimento ou as técnicas para saída de uma situa o desfavorável, na educa o, os professores servem como agentes moderadores na manuten o da cidadania. Desenvolver um programa de atendimento aos professores no que tange à sua obriga o ético-moral em casos de violência sexual para com os seus alunos foi o principal objetivo do programa. Iniciativas como essa corroboram com a idéia que é preciso acompanhamento no preparo de recursos humanos para que os indivíduos envolvidos possam obter conhecimento da sua realidade e contexto social, sugere-se que essa iniciativa sirva como ponto de partida referente à problemática do acesso a informa o direcionada.
The Equivalence Theorem and infrared divergences
Tibor Torma
Physics , 1995, DOI: 10.1103/PhysRevD.54.2168
Abstract: We look at the Equivalence Theorem as a statement about the absence of polynomial infrared divergences when $m_W \rightarrow 0$. We prove their absence in a truncated toy model and conjecture that, if they exist at all, they are due to couplings between light particles.
A systematic analysis of new physics effects in spin correlations in q qbar to t tbar
T. Torma
Physics , 1999, DOI: 10.1088/1126-6708/2001/11/055
Abstract: I show that there are eight new physics operators that contribute to top pair production and subsequent decay in interference with the leading SM process at the Tevatron and estimate their expected statistical inaccuracies. All fully differential cross sections are calculated in the {6-particle} phase space. The observation of angular correlations dramatically improves the accuracy of the extraction.
Intersecting branes with an arbitrary excess angle
Tibor Torma
Physics , 2000,
Abstract: We find all possible static embeddings of a 4-brane in any dimension-6 spacetime with 4-dimensional Poincare symmetry and a negative cosmological constant, subject to orbifolding across the brane. Our new solutions allow intersecting branes at an angle determined by a new dynamical parameter. A collection of branes intersecting in one 3-brane allows an arbitrary excess angle that can be related to a vacuum density along the intersection. The 3-brane must be stabilized by additional fine-tuned interactions. We also note that localization of gravity is tied to the approximate fine tuning of the brane tensions.
Transitions in quantum networks
Paivi Torma
Physics , 1998, DOI: 10.1103/PhysRevLett.81.2185
Abstract: We consider transitions in quantum networks analogous to those in the two-dimensional Ising model. We show that for a network of active components the transition is between the quantum and the classical behaviour of the network, and the critical amplification coincides with the fundamental quantum cloning limit.
Nonconservation of global quantum numbers in RSbar-type models
Tibor Torma
Physics , 2001,
Abstract: In Randall-Sundrum type scenarios the effective size of the extra dimension remains unconstrained. A TeV-scale brane tension without orbifold boundary conditions would allow phenomenologically observable processes at high energy colliders. Among others, the brane could fragment into bubbles that fly away for good or return within a time TeV is reached, bubbles with 1/TeV size are copiously produced. At lower sqrt{s}, smaller bubbles can be produced (if they exist) with strongly suppressed probability.
Physics of ultracold Fermi gases revealed by spectroscopies
Paivi Torma
Physics , 2015,
Abstract: This article provides a brief review of how various spectroscopies have been used to investitage many-body quantum phenomena in the context of ultracold Fermi gases. In particular, work done with RF spectroscopy, Bragg spectroscopy and lattice modulation spectroscopy is considered. The theoretical basis of these spectroscopies, namely linear response theory in the many-body quantum physics context is briefly presented. Experiments related to the BCS-BEC crossover, imbalanced Fermi gases, polarons, possible pseudogap and Fermi liquid behaviour and measuring the contact are discussed. Remaining open problems and goals in the field are sketched from the perspective how spectroscopies could contribute.
Discipline, availability of electronic resources and the use of Finnish National Electronic Library - FinELib
Sanna Torma,Pertti Vakkari
Information Research: an international electronic journal , 2004,
Abstract: This study elaborated relations between digital library use by university faculty, users' discipline and the availability of key resources in the Finnish National Electronic Library (FinELib), Finnish national digital library, by using nationwide representative survey data. The results show that the perceived availability of key electronic resources by researchers in FinELib was a stronger predictor of the frequency and purpose of use of its services than users' discipline. Regardless of discipline a good perceived provision of central resources led to a more frequent use of FinELib. The satisfaction with the services did not vary with the discipline, but with the perceived availability of resources.
New Axial Interactions at a TeV
B. Holdom,T. Torma
Physics , 1998, DOI: 10.1103/PhysRevD.59.075005
Abstract: We consider a heavy fourth family with masses lying in the symmetry breaking channel of a new strong gauge interaction. This interaction generates a heavy quark axial-type operator, whose effects can be enhanced through multiple insertions. In terms of the strength of this operator we can express new negative contributions to the S and T parameters and the shifts of the Z couplings to the third family. In particular we find that the new contribution to T is strongly constrained by the experimental constraints on the Z coupling to the tau.
Beyond linear response spectroscopy of ultracold Fermi gases
J. Kinnunen,P. Torma
Physics , 2005, DOI: 10.1103/PhysRevLett.96.070402
Abstract: We study RF-spectroscopy of ultracold Fermi gas by going beyond the linear response in the field-matter interaction. Higher order perturbation theory allows virtual processes and energy conservation beyond the single particle level. We formulate an effective higher order theory which agrees quantitatively with experiments on the pairing gap, and is consistent with the absence of the mean-field shift in the spin-flip experiment.
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