A CVD diamond detector for (n,alpha) cross section measurements

Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike LicenceIn astrophysics, the determination of the optical alpha-nucleus potential for low alpha-particle energies, crucial in understanding the origin of the stable isotopes, has turned out to be a challenge. Theory still cannot predict the optical potentials required for the calculation of the astrophysical reaction rates in the Hauser-Feshbach statistical model and there is scant experimental information on reactions with alpha particles at the relevant astrophysical energies. Measurements of (n,alpha) cross-sections offer a good opportunity to study the alpha channel. At the n_TOF experiment at CERN, a prototype detector, based on the chemical vapor deposition (CVD) diamond technology, has been recently developed for (n,alpha) measurements. A reference measurement of the 10B(n,alpha)7Li reaction was performed in 2011 at n_TOF as a feasibility study for this detector type. The results of this measurement and an outline for future experiments are presented here

A target list for searching for habitable exomoons

We investigate the habitability of hypothetical moons orbiting known exoplanets. This study focuses on big, rocky exomoons that are capable of maintaining a significant atmosphere. To determine their habitability, we calculate the incident stellar radiation and the tidal heating flux arising in the moons as the two main contributors to the energy budget. We use the runaway greenhouse and the maximum greenhouse flux limits as a definition of habitability. For each exoplanet, we run our calculations for plausible ranges of physical and orbital parameters for the moons and the planet using a Monte Carlo approach. We calculate the moon habitability probability for each planet, which is the fraction of the investigated cases that lead to habitable conditions. Based on our results, we provide a target list for observations of known exoplanets of which the top 10 planets have more than 50 per cent chance for hosting habitable moons on stable orbits. Two especially promising candidates are Kepler-62 f and Kepler-16 b, both of them with known masses and radii. Our target list can help to detect the first habitable exomoon.Peer reviewe

Trait Verbal Aggressiveness and the Appropriateness and Effectiveness of Fathers\u27 Interaction Plans Ii: Fathers\u27 Self-Assessments

Examines the relationship between fathers\u27 verbal aggressiveness and their perceptions of the appropriateness and effectiveness of selected methods for interacting with children, mainly sons. Examination of literature on the issue; Details on hypotheses which have been developed

A “Dark Side” of Communication Avoidance: Indirect Interpersonal Aggressiveness

Although our understanding of direct forms of verbal aggressiveness has been greatly advanced over the past decade, indirect interpersonal aggressiveness has remained relatively understudied. In the present study, items designed to tap indirect forms of interpersonal aggressiveness were written, administered to participants, factor analyzed along with verbal aggressiveness items, and correlated with a criterion measure. Results produced an internally consistent set of item which: (1) loaded on a separate factor from verbal aggressiveness items, (2) contributed unique variance over that accounted for by verbal aggressiveness in the prediction of psychoticism, a theoretically appropriate criterion variable for validating aggression measures, and (3) loaded on the same factor with verbal aggressiveness and psychoticism when second‐order factor analysis was conducted

A “Dark Side” of Communication Avoidance: Indirect Interpersonal Aggressiveness

Although our understanding of direct forms of verbal aggressiveness has been greatly advanced over the past decade, indirect interpersonal aggressiveness has remained relatively understudied. In the present study, items designed to tap indirect forms of interpersonal aggressiveness were written, administered to participants, factor analyzed along with verbal aggressiveness items, and correlated with a criterion measure. Results produced an internally consistent set of item which: (1) loaded on a separate factor from verbal aggressiveness items, (2) contributed unique variance over that accounted for by verbal aggressiveness in the prediction of psychoticism, a theoretically appropriate criterion variable for validating aggression measures, and (3) loaded on the same factor with verbal aggressiveness and psychoticism when second‐order factor analysis was conducted

Statistical Analysis of Advanced Very High Resolution Radiometer Data (AVHRR) Soil Relationship

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Trait Verbal Aggressiveness and the Appropriateness and Effectiveness of Fathers\u27 Interaction Plans Ii: Fathers\u27 Self-Assessments

Examines the relationship between fathers\u27 verbal aggressiveness and their perceptions of the appropriateness and effectiveness of selected methods for interacting with children, mainly sons. Examination of literature on the issue; Details on hypotheses which have been developed

Fathers\u27 Trait Verbal Aggressiveness and Argumentativeness as Predictors of Adult Sons\u27 Perceptions of Fathers\u27 Sarcasm, Criticism, and Verbal Aggressiveness

This research used Infante\u27s (1987) conceptualization of trait verbal aggressiveness and argumentativeness to analyze adult males’ perceptions of their fathers’ messages. In the present study, fathers’ self‐reports of verbal aggressiveness and argumentativeness were used to predict their adult sons’ reports of fathers’ sarcasm, criticism, and global verbal aggressiveness. Results of multivariate regression analyses indicated that (1) fathers’ argumentativeness accounted for a significant percentage of variance in the dependent variable set but did not contribute significantly to the univariate equations and (2) fathers’ verbal aggressiveness explained a significant percentage of the multivariance and contributed significantly to each univariate equation. Overall, the predictor set explained 39.32% of the variance in the dependent variable set. As predicted, the preponderance of the effect (30.05%) was due to fathers’ verbal aggressiveness. Implications are discussed