University of Cyprus

About: University of Cyprus is a education organization based out in Nicosia, Cyprus. It is known for research contribution in the topics: Large Hadron Collider & Context (language use). The organization has 3624 authors who have published 15157 publications receiving 412135 citations.

Measurement of the single-top-quark t-channel cross section in pp collisions at √s=7 TeV

Abstract: A measurement of the single-top-quark t-channel production cross section in pp collisions at s√=7 TeV with the CMS detector at the LHC is presented. Two different and complementary approaches have been followed. The first approach exploits the distributions of the pseudorapidity of the recoil jet and reconstructed top-quark mass using background estimates determined from control samples in data. The second approach is based on multivariate analysis techniques that probe the compatibility of the candidate events with the signal. Data have been collected for the muon and electron final states, corresponding to integrated luminosities of 1.17 and 1.56 fb^(−1), respectively. The single-top-quark production cross section in the t-channel is measured to be 67.2±6.1 pb, in agreement with the approximate next-to-next-to-leading-order standard model prediction. Using the standard model electroweak couplings, the CKM matrix element |V_(tb)| is measured to be 1.020 ± 0.046 (meas.) ± 0.017 (theor.).

Filling the gap between the quantum and classical worlds of nanoscale magnetism: giant molecular aggregates based on paramagnetic 3d metal ions

Abstract: In this review, aspects of the syntheses, structures and magnetic properties of giant 3d and 3d/4f paramagnetic metal clusters in moderate oxidation states are discussed. The term "giant clusters" is used herein to denote metal clusters with nuclearity of 30 or greater. Many synthetic strategies towards such species have been developed and are discussed in this paper. Attempts are made to categorize some of the most successful methods to giant clusters, but it will be pointed out that the characteristics of the crystal structures of such compounds including nuclearity, shape, architecture, etc. are unpredictable depending on the specific structural features of the included organic ligands, reaction conditions and other factors. The majority of the described compounds in this review are of special interest not only for their fascinating nanosized structures but also because they sometimes display interesting magnetic phenomena, such as ferromagnetic exchange interactions, large ground state spin values, single-molecule magnetism behaviour or impressively large magnetocaloric effects. In addition, they often possess the properties of both the quantum and the classical world, and thus their systematic study offers the potential for the discovery of new physical phenomena, as well as a better understanding of the existing ones. The research field of giant clusters is under continuous evolution and their intriguing structural characteristics and magnetism properties that attract the interest of synthetic Inorganic Chemists promise a brilliant future for this class of compounds.

Assessment Literacy of Foreign Language Teachers: Findings of a European Study

Abstract: Training of pre- and in-service teachers constitutes one of the most important aspects in the quality assurance of language testing and assessment (LTA). For instance, foreign language (FL) teachers have to deal with standardised tests as well as their own classroom-based assessment procedures. This means they need the necessary expertise that can be provided by training measures. To gauge the current level of FL teachers in LTA literacy and identify their training needs in this area, data from seven European countries were collected in a mixed-methods study that used questionnaires (n = 853) and qualitative data from teacher interviews (n = 63) in selected countries across Europe. Despite the small differences across countries, the results show that only certain elements of teachers’ LTA expertise are developed. To compensate for insufficient training, teachers seem to learn about LTA on the job or use teaching materials for their assessment purposes. Teachers overall express a need to receive training a...

The Relationship Between Listening and Reading Comprehension of Different Types of Text at Increasing Grade Levels.

Abstract: This study examined the hypotheses that (a) the relationship between listening and reading comprehension becomes stronger after decoding mastery; (b) the difference between listening and reading decreases with increasing grade level; and (c) similar patterns of relationship and difference are obtained with narrative and expository texts. The sample included 612 students in Grades 2, 4, 6, and 8. Students read and listened to two narratives and two expository texts and completed corresponding comprehension tests that were in the form of sentence verification tasks. The findings confirmed the first two hypotheses but not the third one. In the case of expository text, the relationship between listening and reading comprehension was weaker than the corresponding one with narrative text, and performance levels were comparable across all elementary grades. Moreover, reading comprehension levels were higher than listening comprehension levels in Grade 8, regardless of text type. The implications of these finding...