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Mojzes, Paul (2017) Frontmatter, Occasional Papers on Religion in Eastern Europe: Vol. 37 : Iss. 1 , Article 1

Commentary: Evidence to Guide Gun Violence Prevention in America

Gun violence is a major threat to the public's health and safety in the United States. The articles in this volume's symposium on gun violence reveal the scope of the problem and new trends in mortality rates from gunfire. Leading scholars synthesize research evidence that demonstrates the ability of numerous policies and programs -- each consistent with lessons learned from successful efforts to combat public health problems -- to prevent gun violence. Each approach presents challenges to successful implementation. Future research should inform efforts to assess which approaches are most effective and how to implement evidence-based interventions most effectively

Precision Higgs physics at a γγ\gamma \gamma collider

The loop induced coupling of an intermediate mass Higgs boson to two photons is a sensitive and unique measure for precision tests of physics beyond the Standard Model. In this work we summarize recent results on the expected precision of the partial $\Gamma (H \to \gamma \gamma)$ width at the $\gamma \gamma$ option of a future linear collider. Heavy particles do not decouple in general and differences between the SM and MSSM predictions or 2HD-models can differ in the percentile regime. Large non-Sudakov DL corrections need to be resummed and consistency requirements demand the use of the Sterman-Weinberg jet definition in order to avoid additional DL terms from three jet final states. We find that the well understood background process $\gamma \gamma \to q \bar{q}$ allows for a ${\mathcal O}$(2%) determination of $\Gamma (H \to \gamma \gamma)$ using conservative collider parameters. Recent improvements in the expected $\gamma \gamma$ luminosity suggest that the precision for the diphoton partial Higgs width can be further improved and is dominated by the error in BR($H \to b \bar{b}$) from the $e^\pm$ mode, which is presently estimated to be in the one percent regime.Comment: 6 pages, 3 epsfigures, Latex2e plus style files. Contribution to the International Workshop on High Energy Photon Photon Colliders at DESY, June 200

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Frontmatter & Contents for \u3ci\u3eProceedings of the Fourth Eastern Pine and Meadow Vole Symposium, February 21-22, 1980\u3c/i\u3e

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