Neutron-capture measurement candidates for the r-process in neutron star mergers

Neutron star mergers (NSMs) are one of the astrophysical sites for the occurrence of the rapid neutron capture process (r-process). After a merger, the ejected neutron-rich matter hosts the production of radioactive heavy nuclei located far from the stability valley. Their nuclear physics properties are key inputs for r-process nucleosynthesis calculations. Here, we focus on the importance of neutron-capture rates and perform a sensitivity study for typical outflows from NSMs. We identify the rates with the highest impact on the final r-process abundance pattern and the nuclear energy release, therefore determining the nucleosynthesis in NSMs. A list of major n-capture rates affecting individual isotopes and elements production is also provided

Assessing Barriers to Community Pediatric Dental Needs

Introduction: Oral health is an often overlooked aspect of healthcare with many effects on an individual’s well-being. Dental caries is the most common chronic disease in children, and most dental problems are preventable. Barriers to accessing dental care for low income children include: oral health beliefs of parents, transportation issues, and difficulty locating providers who accept Medicaid. Investigation of the pediatrician’s role showed an increase in dental visits among children who were recommended for care by their primary care providers. Recent data indicates that 67.1% of Vermont Medicaid enrolled children received dental care within one calendar year. While indicating a gap in services, this is the highest rate in the U.S. A comprehensive national survey found that 85% of Vermont children received preventive care in the past year, while recent state data shows that 18% of Vermont children on Medicaid and 16% of children overall have untreated dental decay. In 2009, The Ronald McDonald House Charities, along with the Health Center of Plainfield, implemented the Vermont Ronald McDonald Care Mobile (RMCM), a traveling dental clinic providing dental care for Vermont’s underserved children. In one year, the RMCM visited 15 Vermont schools and treated 214 children, only 9% of the 2400 children projected. The RMCM currently serves sites in three Counties: Grand Isle, Orange, and Lamoille. The objective of our study was to investigate barriers to access to Dental care among Vermont children, with particular regard to the RMCM. The underutilization of the RMCM was assessed by researching current data on Vermont oral health and by surveying overall attitudes toward both the RMCM and Towns the RMCM visited in the past year pediatric dental care in Vermont.https://scholarworks.uvm.edu/comphp_gallery/1060/thumbnail.jp

Catching Element Formation In The Act ; The Case for a New MeV Gamma-Ray Mission: Radionuclide Astronomy in the 2020s

Gamma-ray astronomy explores the most energetic photons in nature to address some of the most pressing puzzles in contemporary astrophysics. The unique information provided by MeV gamma-ray astronomy to help address frontiers makes now a compelling time for the community to advocate for a new mission to be operational in the 2020s and beyond. N1 :eprint: arXiv:1902.0291

The Status and Future of Direct Nuclear Reaction Measurements for Stellar Burning

The study of stellar burning began just over 100 years ago. Nonetheless, we do not yet have a detailed picture of the nucleosynthesis within stars and how nucleosynthesis impacts stellar structure and the remnants of stellar evolution. Achieving this understanding will require precise direct measurements of the nuclear reactions involved. This report summarizes the status of direct measurements for stellar burning, focusing on developments of the last couple of decades, and offering a prospectus of near-future developments.Comment: Accepted to Journal of Physics G as a Major Report. Corresponding author: Zach Meisel ([email protected]