PPT-Use of Cosmic-Ray Neutron Data in Nuclear Threat Detection

and Other Applications Hydrology Neutron Monitor Community WorkshopHonolulu Hawaii October 2425 2015 Physicist National Urban Security Technology Laboratory Science and Technology Directorate. 2 Neutron Reflectometers Updates prepared by Helmut Fritzsche and Zin Tun Canadian Neutron Beam Centre A neutron reflectometer yields data to determine th e scatteringlength density profile of a flat sample as a functi Connect the Fluke 415 HV supply output to the input of the voltage distribution box. (Make sure HV is off.). Connect the outputs of the HV distribution box to the HV supply for the phototubes in the cosmic ray . The Future of Cosmic Ray Research. .. 8 The Future of Cosmic Ray Research . As we have seen, a few cosmic rays can be detected with energies somewhat . greater . than 10. 20. . eV. . . These high energies must be due to particle accelerations . Richard Kouzes. Ken Conlin, James Ely, Luke Erikson, Azaree Lintereur, Emily Mace, Edward Siciliano, Daniel Stephens, David Stromswold, Renee Van Ginhoven, Mitch Woodring. Pacific Northwest National Laboratory. . Wei Wang. National Astronomical Observatories, . B. eijing China. The IAU XXVII General Assembly, Beijing August 20-31 2012. IAUS 291 . Neutron stars and pulsars: Challenges and opportunities after 80 Years. at. . Hartnell. . College. : A Case Study in Successful Undergraduate Research at a Two-Year College. Leo . Osornio. Hartnell. College. Presented at the 2012 AAPT Summer Meeting, Philadelphia. July 30, 2012. at NPL. Paddy Regan. NPL . Radioactivity Group, AIR Division. & . Department of Physics, . University . of Surrey. Nuclear Data?. ‘Nuclear Data’ and its evaluation underpin many areas of both applied and fundamental nuclear science, including. . Ana Becerril-Reyes, Sanjib S. Gupta and Hendrik Schatz. . Comparison between the two compilations of electron capture rates:. We start by comparing the EC rates at the lowest values of temperature and density (T9=0.01 and Log. Heino Falcke . Radboud University, Nijmegen. ASTRON, . Dwingeloo. What we (don’t) know about UHECRs . We know:. their energies (up to 10. 20. eV).. their overall energy spectrum. We don’t know:. 20.11. 1. Neutron stars. T. he . remains of cores of some massive stars that have become supernovae. .. Cores are . a degenerate gas of mostly neutrons.. So much compression at each stage of core contraction that final radius is . Richard Kouzes. Ken Conlin, James Ely, Luke Erikson, Azaree Lintereur, Emily Mace, Edward Siciliano, Daniel Stephens, David Stromswold, Renee Van Ginhoven, Mitch Woodring. Pacific Northwest National Laboratory. Richard B. Firestone. Isotopes Project, Lawrence Berkeley National Laboratory, Berkeley, CA 94720. USNDP. Isotopes Project Group Members. Richard B. Firestone. – Group Leader. Coral . Baglin. . – Staff scientist . and . Tomography . at NECSA. Presented by . Gawie. . Nothnagel. Necsa-Wits Workshop; 10-11 September 2105. Frikkie de Beer. , Mabuti . Radebe. , Robert Nshimirimana Kobus . Hoffman,. Stephen Croft (ORNL). Ramkumar Venkataraman (ORNL). Louise G. Worrall (ORNL). Robert D. McElroy Jr. (ORNL). Andrea Favalli (LANL). Acknowledgement. This work was sponsored in part by the U.S. Department of Energy (DOE), National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation Research and Development (NA-22) and in part by ORNL and LANL..