2,264 research outputs found

    Giant monopole resonance and nuclear compression modulus for 40Ca and 16O

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    Using a collective potential derived on the basis of the Generator Coordinate Method with Skyrme interactions we obtain values for the compression modulus of 40Ca which are in good agreement with a recently obtained experimental value. Calculated values for the compression modulus for 16O are also given. The procedure involved in the derivation of the collective potential is briefly reviewed and discussed.Comment: 14 pages, no figures, two tables, REVTE

    Leveraging Wireless Broadband to Improve Police Land Mobile Radio Programming: Estimating the Resource Impact

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    Despite rapid growth in criminological studies of police technology, examinations of police land mobile radios are absent in the literature. This is troubling given the central role mobile radios serve in police operations and their significant management costs. The present study seeks to fill this gap by introducing the functionality of wireless broadband radio programming. Current practice requires a police officer to physically drive to a radio programming location to manage their mobile radio. Wireless programming remedies this burdensome reality, thereby saving officer time and cost. Geospatial analyses are used to estimate distance saved associated with wireless programming. We then conduct a number of calculations to determine time and cost savings related to the observed differences between existing and wireless radio programming within the context of the North Carolina State Highway Patrol. Results suggest wireless radio programming can save significant personnel and financial resources. Implications are discussed

    A Ă©poca das imagens de homem: Foucault leitor da Antropologia de Kant /The era of the pictures of man Kant’s Anthropology: A study by Foucault

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    Michel Foucault defends the thesis that man is a recent invention and with a foretold death. In this article, we will present a study that Foucault carried out on Kant’s Anthropology from a Pragmatic Point of View, and his complementary thesis, as the basis of the thesis of the birth and death of the subject in modernity. Foucault’s philosophy will be presented as a chapter of Kantianism, a critique of anthropological reason that is rooted in Heidegger’s study on Kant. In addition to identifying what influenced the creation of these philosophies, we seek to understand the complex anthropological problems that overlap contemporary philosophy and psychoanalysis. Keywords: Foucault; Kant; Heidegger; death of the subject; anthropology

    How Does Land Title Affect Access to Credit? Empirical Evidence from an Emerging Economy

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    This paper studies the effects property rights on credit access using a unique data set based on a Brazilian land-titling program affecting 85,000 families. The causal role of land title is isolated by comparing two communities in Osasco, where some residential units are allocated titles and others not. Survey data is collected from residents before and after the title granting. In order to estimate land title impact, we have undertaken the Difference-in- Differences methodology. Some of our results suggest that land title increases the access to credit for about 60%. Additionally, land title impact by gender and credit type is presented and also positive.Property Rights, Land Title, Credit, Difference-in-Difference, and Differencein- Differences Matching Estimator

    Measuring the effect heterogeneity of police enforcement actions across spatial contexts

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    Purpose: This study tests whether the effect of police actions is influenced by similar crime generators and attractors (CGAs) that influence crime. Said differently, in recognition that the presence of CGAs presents higher risk of crime at certain places, we test whether CGAs similarly create a situation where specific police enforcement actions are more effective at certain types of places than others. Methods: Using longitudinal logistic regression models incorporating panel data, we measure the effect of various police enforcement actions on gun violence in Newark, NJ. Risk Terrain Modeling (RTM) was further used to test whether the effect of the enforcement activities vary across spatial contexts. Results: When considered on their own, police enforcement actions were associated with increased likelihood of gun violence. However, certain types of enforcement actions conducted where CGAs highly co-locate, as identified through RTM, were associated with decreased likelihood of gun violence. Conclusions: Findings suggest that where officers conduct enforcement activities may be as important as what precise enforcement activities they enact. This has implications for the place-based policing tactics. Understanding the spatial context of high-crime areas can help police design strategies in a manner that maximizes their crime prevention utility

    The History, Policy Implications, and Knowledge Gaps of the CCTV Literature: Insights for the Development of Body-Worn Video Camera Research

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    Closed-circuit television (CCTV) and body-worn video cameras (BWVCs) have rapidly spread throughout policing. Such widespread deployment has heightened the importance of identifying best practices for both of these technologies. The research community has worked toward the identification of such best practices, with bodies of knowledge emerging for both CCTV and BWVCs over recent decades. Given its earlier emergence, research on CCTV is more developed. Nonetheless, the BWVC literature is quickly becoming robust, with BWVC research developing at a much more rapid pace than research on most other police technologies. This essay reviews the CCTV and BWVC literatures across four main areas of inquiry: (1) program effect and common outcome measures, (2) contextual factors influencing program effect, (3) intervention costs, and (4) implementation issues. Specific attention is paid to knowledge gaps within the CCTV literature and how BWVC research can avoid (or, in certain cases, already has avoided) similar knowledge gaps
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