188,356 research outputs found
Prompt charm production in pp collisions at √<span style="text-decoration:overline">s</span>=7 TeV
No full textCharm production at the LHC in pp collisions at s√=7 TeV is studied with the LHCb detector. The decays D0→K−π+, D+→K−π+π+, D⁎+→D0(K−π+)π+, D+s→ϕ(K−K+)π+, Λ+c→pK−π+, and their charge conjugates are analysed in a data set corresponding to an integrated luminosity of 15 nb−1. Differential cross-sections dσ/dpT are measured for prompt production of the five charmed hadron species in bins of transverse momentum and rapidity in the region 0<pT<8 GeV/c and 2.0<y<4.5. Theoretical predictions are compared to the measured differential cross-sections. The integrated cross-sections of the charm hadrons are computed in the above pT-y range, and their ratios are reported. A combination of the five integrated cross-section measurements gives
σ(cc¯)pT<8 GeV/c,2.0<y<4.5=1419±12(stat)±116(syst)±65(frag) μb,
where the uncertainties are statistical, systematic, and due to the fragmentation functions
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Bilingualism, executive function, and beyond: questions and insights/ edited by Irina A. Sekerina, Lauren Spradlin, Virginia Valian.
No full textIncludes bibliographical references and index.1. Bilingualism, executive function, and beyond: questions and insights / Irina A. Sekerina, Lauren Spradlin and Virginia Valian -- Part I. Beyond simple relations: 2. The signal and the noise: Finding the pattern in human behavior / Ellen Bialystok -- 3. Variation in language experience shapes the consequences of bilingualism / Megan Zirnstein, Kinsey Bice and Judith F. Kroll -- 4. Adaptive control and brain plasticity: A multidimensional account of the bilingual experience and its relation to cognition / Anne L. Beatty-Martønez and Paola E. Dussias -- 5. Comparing executive functions in monolinguals and bilinguals: Considerations on participant characteristics and statistical assumptions in current research / Veronica Whitford and Gigi Luk -- 6. Cooking pasta in La Paz: Bilingualism, bias and the replication crisis / Thomas H. Bak -- 7. Interference control in bilingual auditory sentence processing in noise / Jungna Kim, Klara Marton and Loraine K. Obler -- Part II. Language processing: 8. Investigating grammatical processing in bilinguals: The case of morphological priming / Harald Clahsen and João Verøssimo -- 9. Referring expressions and executive functions in bilingualism / Antonella Sorace -- 10. Language control and executive control: Can studies on language processing distinguish the two? / Anna Wolleb, Antonella Sorace and Marit Westergaard -- 11. Effects of dense code-switching on executive control / Julia Hofweber, Theodoros Marinis and Jeanine Treffers-Daller -- 12. Predicting executive functions in bilinguals using ecologically valid measures of code-switching behavior / Julia Hofweber, Theodoros Marinis and Jeanine Treffers-Daller -- 13. Research on individual differences in executive functions: Implications for the bilingual advantage hypothesis / Naomi P. Friedman -- 14. Does performance on executive function tasks correlate? Evidence from child trilinguals, bilinguals, and second language learners / Gregory J. Poarch and Janet G. van Hell -- Part III. Cognition and bilingualism: 15. Putting together bilingualism and executive function / Virginia Valian -- 16. What cognitive processes are likely to be exercised by bilingualism and does this exercise lead to extra-linguistic cognitive benefits? / Raymond M. Klein -- 17. Executive control in bilingual children: Factors that influence the outcomes / Klara Marton -- 18. Interactions among speed of processing, cognitive control, age, and bilingualism / Klara Marton and Zhamilya Yerimbetova -- 19. Teasing apart factors influencing executive function performance in bilinguals and monolinguals at different ages / Virginia C. Mueller Gathercole, Enlli Mon Thomas, Nestor Vinas Guasch, Ivan Kennedy, Cynog Prys, Nia Young, Emily J. Roberts, Emma K. Hughes and Leah Jones -- Part IV. Development, aging, and impairment: 20. Proficient bilingualism may alleviate some executive function difficulties in children with Autism Spectrum Disorders / Aparna Nadig and Ana Maria Gonzalez-Barrero -- 21. Does bilingualism protect against cognitive aging? Methodological issues in research on bilingualism, cognitive reserve, and dementia incidence / Caitlin Wei-Ming Watson, Jennifer J. Manly and Laura B. Zahodne.1 online resource
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe 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
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Dr. Edward P. Wimberly, ITC, July 2011
No full textThis video is a conversation with Dr. Edward P. Wimberly. Dr. Wimberly talks about his book, "No Shame in Wesley's Gospel: A Twenty-First Century Pastoral Gospel". Brad Ost, AUC Woodruff Library, is the interviewer
Author Rights and Scholarly Publishing
No full textOriginally posted at
http://blog.library.gsu.edu/2014/10/24/author-rights-and-scholarly-publishing/</p
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