959 resultados para Politics - Current Events
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At head of title: Boston Monday lectures.
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Mode of access: Internet.
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The energy dependence of the neutrino-iron and antineutrino-iron inclusive charged-current cross sections and their ratio have been measured using a high-statistics sample with the MINOS near detector exposed to the NuMI beam from the main injector at Fermilab. Neutrino and antineutrino fluxes were determined using a low hadronic energy subsample of charged-current events. We report measurements of nu-Fe ((nu) over bar - Fe) cross section in the energy range 3-50 GeV (5-50 GeV) with precision of 2%-8% (3%-9%) and their ratio which is measured with precision 2%-8%. The data set spans the region from low energy, where accurate measurements are sparse, up to the high-energy scaling region where the cross section is well understood.
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Norah and Fred Fisher welcomed John Fisher into the world on November 29, 1912, not knowing what an influential role he would play in shaping Canada's history. John Fisher grew up as the middle child of five brothers and sisters in Frosty Hollow, New Brunswick, close to today’s town of Sackville. Sackville’s main industry was the Enterprise Foundry which the Fisher family owned and operated; however, Fisher had no plans of going into the family business. He was more inspired by his maternal grandfather, Dr. Cecil Wiggins, who lived with the family after retiring from the Anglican ministry. Wiggins encouraged all his grandchildren to be well read and to take part in discussions on current events. There were often visitors in the Fisher household taking part in discussions about politics, religion, and daily life. Fisher forced himself to take part in these conversations to help overcome his shyness in social settings. These conversations did help with his shyness and also in forming many opinions and observations about Canada. It put Fisher on the road to becoming Mr. Canada and delivering the many eloquent speeches for which he was known. Fisher did not venture far from home to complete his first degree. In 1934 he graduated from Mount Allison University in Sackville, NB with an Arts degree. The same year Fisher enrolled in Dalhousie’s law school. During his time at Dalhousie, Fisher discovered radio through Hugh Mills. Mills or “Uncle Mel” was on CHNS, Halifax’s only radio station at the time. Fisher began by making appearences on the radio drama show. By 1941 he had begun writing and broadcasting his own works and joined the staff as an announcer and continuity writer. In 1936 the Canadian Broadcasting Corporation was formed, the first National radio station. Fisher joined the CBC shortly after it’s beginning and remained with them, as well as the Halifax Herald newspaper, even after his law school graduation in 1937. By 1943 Fisher’s talks became a part of the CBC’s programming for a group of maritime radio stations. Fisher once described his talks as follows “my talks weren’t meant to be objective. . . they were meant to be favourable. They were ‘pride builders’” He began his famed John Fisher Reports at CBC Toronto when he transfered there shortly after the war. This program brought emmence pride to the fellow Canadians he spoke about leading to approximately 3500 requests per year to speak at banquets and meeting throughout Canada and the United States. Fisher was a well travelled indivdual who would draw on personal experiences to connect with his audience. His stories were told in simple, straight forward language for anyone to enjoy. He became a smooth, dynamic and passionate speaker who sold Canada to Canadians. He became a renowned journalist, folk historian, writer and broadcaster. Fisher was able to reach a vast array of people through his radio work and build Canadian pride, but he did not stop there. Other ways Fisher has contributed to Canada and the Canadian people include: Honoured by five Canadian Universities. 1956, became the Director of the Canadian Tourist Association. 1961, was appointed Special Assistant to the Prime Minister of Canada. 1963, Commissioner of the Centennial Commission (the Federal Agency Responsible for Canada’s 100th birthday) 1968, received the Service Medal , a coveted Order of Canada. President of John Fisher Enterprises Ltd., private consultant work, specializing in Centennial planning, broadcasts, lectures and promotion. John Fisher continued recording radio broadcasts even after his diagnosis with cancer. He would record 3 or 4 at a time so he was free to travel across Canada, the U.S., Europe and Mexico in search of treatments. Fisher passed away from the disease on February 15, 1981 and he is buried at Mount Pleasant Cemetery in Toronto.
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Le présent texte porte sur l’état de la démocratie au Sénégal depuis l’alternance politique survenue en 2000. Adoptant une définition minimale de la démocratie – respect des libertés civiles et politiques, et tenue d’élections libres et justes – à laquelle il ajoute le principe de séparation des pouvoirs, son principal objectif est de répondre à la question suivante : pourquoi le fonctionnement de la démocratie est-il entravé au Sénégal? L’hypothèse avancée pour répondre à cette interrogation est la présence du néo-patrimonialisme. Celui-ci, par l’intermédiaire de la personnalisation du pouvoir et le clientélisme, sape le respect des règles démocratiques dans ce pays d’Afrique de l’Ouest. Pour analyser l’impact du néo-patrimonialisme sur la démocratie au Sénégal, ce mémoire privilégie le néo-institutionnalisme sociologique comme cadre théorique. Cette approche définit les institutions de façon large : celles-ci peuvent englober non seulement des normes formelles mais également des règles informelles. En vertu de cette approche, le néo-patrimonialisme et la démocratie représentent des institutions puisque le premier englobe un ensemble de règles informelles et le second un ensemble de normes et procédures formelles. Ces deux institutions structurent et façonnent le comportement des individus. Dans cette confrontation institutionnelle, les règles néo-patrimoniales influencent davantage l’action des élites politiques sénégalaises – notamment le chef de l’État – que les normes démocratiques. La vérification de l’hypothèse s’appuie sur des études sur la démocratie et le néo-patrimonialisme aussi bien au Sénégal qu’en Afrique. Elle se base également sur l’actualité et les faits politiques saillants depuis l’alternance. L’analyse est essentiellement qualitative et se divise en deux chapitres empiriques. Le premier de ceux-ci (chapitre II dans le texte) concerne la séparation des pouvoirs. Le but de ce chapitre est d’observer la manière dont l’actuel président de la République, Abdoulaye Wade, contrôle le parlement et la justice. Le second chapitre empirique (chapitre III dans le texte) se divise en deux sections. La première s’intéresse aux libertés civiles et politiques qui subissent des restrictions dues au penchant autoritaire de Wade. La seconde section porte sur les élections dont le déroulement est entaché par de nombreuses irrégularités : violence électorale, manque de ressources de l’autorité électorale, instabilité du calendrier électoral, partialité de la justice. L’étude confirme l’hypothèse, ce qui est très problématique pour la plupart des États africains. En effet, le néo-patrimonialisme est une caractéristique fondamentale de la gouvernance en Afrique. Ainsi, beaucoup de régimes du continent noir qui enclenchent ou enclencheront un processus de démocratisation comme le Sénégal, risquent de connaître les mêmes difficultés liées à la persistance des pratiques néo-patrimoniales.
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Short range nucleon-nucleon correlations in nuclei (NN SRC) carry important information on nuclear structure and dynamics. NN SRC have been extensively probed through two-nucleon knock- out reactions in both pion and electron scattering experiments. We report here on the detection of two-nucleon knock-out events from neutrino interactions and discuss their topological features as possibly involving NN SRC content in the target argon nuclei. The ArgoNeuT detector in the Main Injector neutrino beam at Fermilab has recorded a sample of 30 fully reconstructed charged current events where the leading muon is accompanied by a pair of protons at the interaction vertex, 19 of which have both protons above the Fermi momentum of the Ar nucleus. Out of these 19 events, four are found with the two protons in a strictly back-to-back high momenta configuration directly observed in the final state and can be associated to nucleon Resonance pionless mechanisms involving a pre-existing short range correlated np pair in the nucleus. Another fraction (four events) of the remaining 15 events have a reconstructed back-to-back configuration of a np pair in the initial state, a signature compatible with one-body Quasi Elastic interaction on a neutron in a SRC pair. The detection of these two subsamples of the collected (mu- + 2p) events suggests that mechanisms directly involving nucleon-nucleon SRC pairs in the nucleus are active and can be efficiently explored in neutrino-argon interactions with the LAr TPC technology.