Search for dissertations about: "Bengt Hansson"
Showing result 1 - 5 of 13 swedish dissertations containing the words Bengt Hansson.
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1. Dispersal, inbreeding and fitness in natural populations
Abstract : To evaluate how inbreeding affects the viability of small populations, it is crucial to determine what constitutes a population (i.e., the number of breeders in local patches and the degree of dispersal), and also to estimate the reproductive consequences of philopatry and emigration. READ MORE
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2. First determination of the electric charge of the top quark
Abstract : In this thesis, the first determination of the electric charge of the top quark is presented using 370pb-1 of data recorded by the DØ detector at the Fermilab Tevatron accelerator. ttbar events are selected with one isolated electron or muon and at least four jets out of which two are b-tagged by reconstruction of a secondary decay vertex (SVT). READ MORE
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3. First Determination of the Electric Charge of the Top Quark and Studies of the Top Quark Pair Background to New Physics
Abstract : This thesis is concerned with experimental investigations of properties of the top quark and processes involving this particle. In the first part of the thesis, the first determination of the electric charge of the top quark is presented. READ MORE
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4. Quality Management for Sustainable Health : Methodologies, Values and Practices taken from Swedish Organizations
Abstract : In many Western countries today, not least in Sweden, there are a lot of organizations that have great problems with sickness absence. The costs connected to the high rates of sickness absence have also risen to alarming levels. READ MORE
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5. Mental health promotion among community-dwelling seniors with multimorbidity : perspectives of seniors, district nurses and home care assistants
Abstract : The prevalence of mental illness is increasing among the older population in Sweden. One of the most vulnerable groups for mental health problems is older persons with multimorbidity, i.e. seniors with multiple chronic conditions. READ MORE