1,722,019 research outputs found
Study of the associated production of the Higgs boson with a top quark pair in a boosted regime in the ATLAS experiment
No full textThe measurements of the pp→ tt ̄ H signal strength (μ=σobs/σtt ̄HSM) and its upper limit at a center-of-mass energy of pp collision of 13TeV are presented in this paper. The pp data collected with the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.5 fb-1, have been subjected to a detailed analysis. The tt ̄ H signal strength and its upper limit have been measured searching for the decays H→ bb ̄ and tt ̄ → lνbqq ̄ b ̄. Two different analysis approaches have been used in order to analyse the same data in two different ways. In the first (namely “resolved”), the procedure uses standard identification and reconstruction algorithms, meaning that the individual partons from the initial hard process are reconstructed as separate objects. In the second (namely “combined”), the events are separated in two exclusive regimes, including events containing the hadronically decaying top quark (t→ qqb) with a low transverse momentum (pT< 250 GeV) and the boosted ones with the opposite requirement, where the partially overlapped jets coming from high pT tops are suitably identified, reconstructed and tagged. The boosted sample is sensitive to a significantly different kinematic region and provides additional information. The measured signal strength is 1. 4 ± 0. 5 and 1. 2 ± 0. 5 , respectively, for the resolved and the combined analysis. A signal strength larger than 2.3 and 2.0 can be excluded at the 95% confidence level respectively for the resolved and the combined analysis. Both results are compatible with the prediction of the Standard Model (μ= 1). Previous results in the search for the tt ̄ H process were reported by the ATLAS Collaboration and a boosted reconstruction in the channel was previously done by the CMS Collaboration
Che cosa significa fare in psicoterapia
No full textil ruolo della psicoterapia e le sue implicazioni con "il fare terapeutico"
Da Blankenburg ad Heidegger: considerazioni analitico esistenziali sulla perdita dell’evidenza naturale
No full textGli autori analizzano il momento della "perdita dell'evidenza naturale" come fase costitutiva dell'esperienza schizofrenica nella sua basale declinazione "subapofanica"
La malattia mentale come “inclinazione” dell’esistenza
No full textIn this paper we will further investigate the costituent elemnts of mental illness as estistential psychiatry defines it appealing to Martin Heidegge's estistential analytics
Il controllo ormonale dello sviluppo dell'apparato radicale in planta e della rizogenesi in vitro
No full text
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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