Search for W W/W Z resonance production in ℓνqq final states in pp collisions at √s=13 TeV with the ATLAS detector

A search is conducted for new resonances decaying into a W W or W Z boson pair, where one W boson decays leptonically and the other W or Z boson decays hadronically. It is based on proton-proton collision data with an integrated luminosity of 36.1 fb −1 collected with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of s=13 TeV in 2015 and 2016. The search is sensitive to diboson resonance production via vector-boson fusion as well as quark-antiquark annihilation and gluon-gluon fusion mechanisms. No significant excess of events is observed with respect to the Standard Model backgrounds. Several benchmark models are used to interpret the results. Limits on the production cross section are set for a new narrow scalar resonance, a new heavy vector-boson and a spin-2 Kaluza-Klein graviton.[Figure not available: see fulltext.]

Salários docentes, financiamento e qualidade da educação no Brasil

Ao se discutir qualidade da educação, frequentemente surgem questões relacionadas ao trabalho e aos salários dos professores, trazendo à tona a temática do financiamento da educação. Com o objetivo de discutir a relação entre salários docentes, financiamento e qualidade da educação básica no Brasil, este artigo traz resultados de uma pesquisa bibliográfica documental que teve como corpus de análise pesquisas da área da educação e economia e documentos relacionados à remuneração docente produzidos por organismos internacionais, como o Banco Mundial e a UNESCO. Observou-se que a remuneração dos professores é um elemento importante na melhoria da qualidade da educação e está diretamente relacionada aos recursos financeiros destinados a ela

Characterisation of microbial attack on archaeological bone

As part of an EU funded project to investigate the factors influencing bone preservation in the archaeological record, more than 250 bones from 41 archaeological sites in five countries spanning four climatic regions were studied for diagenetic alteration. Sites were selected to cover a range of environmental conditions and archaeological contexts. Microscopic and physical (mercury intrusion porosimetry) analyses of these bones revealed that the majority (68%) had suffered microbial attack. Furthermore, significant differences were found between animal and human bone in both the state of preservation and the type of microbial attack present. These differences in preservation might result from differences in early taphonomy of the bones. © 2003 Elsevier Science Ltd. All rights reserved