Compound-Nuclear Reactions
Description
The Compound-Nuclear Reaction and Related Topics (CNR*) international workshop series was initiated in 2007 with a meeting near Yosemite National Park. It has since been held in Bordeaux (2009), Prague (2011), Sao Paulo (2013), Tokyo (2015), and Berkeley, California (2018). The workshop series brings together experts in nuclear theory, experiment, data evaluations, and applications, and fosters interactions among these groups. Topics of interest include: nuclear reaction mechanisms, optical model, direct reactions and the compound nucleus, pre-equilibrium reactions, fusion and fission, cross section measurements (direct and indirect methods), Hauser-Feshbach theory (limits and extensions), compound-nuclear decays, particle and gamma emission, level densities, strength functions, nuclear structure for compound-nuclear reactions, nuclear energy, nuclear astrophysics, and other topics. This peer-reviewed proceedings volume presents papers and poster summaries from the 6th International Workshop on Compound-Nuclear Reactions and Related Topics CNR*18, held on September 24-28, 2018, at Lawrence Berkeley National Lab, Berkeley, CA.
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Persons
Dr. Jutta Escher is a staff scientist at Lawrence Livermore National Laboratory where she conducts research in nuclear structure and reaction theory. She has developed an indirect method for determining reaction rates for unstable nuclei, for the purpose of understanding stellar evolution and the origin of the elements, and for use in applied nuclear physics. She earned her PhD from Louisiana State University and held postdoctoral appointments at the Hebrew University in Jerusalem and at TRIUMF in Vancouver, Canada. Dr. Escher has chaired a number of nuclear physics conferences and is the founder of the international workshop series Compound-Nuclear Reactions and Related Topics, CNR*. She is a former Fulbright Scholar, a recipient of an LLNL Director's Science and Technology Award, and a Fellow of the American Physical Society.
Dr. Yoram Alhassid is the Frederick Phineas Rose Professor of Physics at Yale University. He has made numerous contributionsto theoretical physics in the fields of many-body nuclear theory, cold atoms, mesoscopic physics and nanoscience. He obtained his PhD in Physics from the Hebrew University of Jerusalem, where he received the AharonKatzir prize, awarded to one doctoral recipient for excellence in natural sciences in Israel. He was a Chaim Weizmann fellow at the California Institute of Technology and the recipient of an Alfred P. Sloan Foundation fellowship and an Alexander von Humboldt Senior Scientist Award. He is a fellow of the American Physical Society and the author of more than 250 publications in journals, books and conference proceedings.Dr. Lee A. Bernstein is the Nuclear Data Group Leader at Lawrence Berkeley National Laboratory and an Adjunct Professor of Nuclear Engineering at the University of California, Berkeley. He leads the Data Evaluation for Applied Nuclear Science project at UC Berkeley as a part of the US Nuclear Data Program. Dr. Bernstein is an advisor to the Nuclear Data Services Section of the International Atomic Energy Agency. Prior to coming to LBNL, Dr. Bernstein was a Staff Scientist for 22 years at Lawrence Livermore National Laboratory where he served as a Project Leader and Deputy Group Leader. His research covers a wide range of nuclear and plasma physics. He has authored over 150 papers in low-energy nuclear physics, is an active referee for Physical Review and Nuclear Physics A and a Fellow of the American Physical Society. He earned the PhD in Nuclear Physics from Rutgers University.
Dr. David Brown is a scientist at Brookhaven National Laboratory where he conducts research in nuclear reaction physics from eV to GeV energies. He is particularly known for co-developing a method for using entangled hadron pairs to image the reaction zone of heavy-ion collisions. He earned the PhD in Physics from Michigan State University, and was a Post-Doctoral Researcher at the Institute for Nuclear Theory, University of Washington and at Lawrence Livermore National Laboratory.
Dr. Carla Fröhlich is an Associate Professor of Physics at North Carolina State University where she conducts research in nuclear astrophysics including in nucleosynthesis, neutrino-p process, core-collapse supernovae, and pair-instability supernovae. She obtained her Ph.D. in Physics from the University of Basel in Switzerland for which she was awarded the Swiss Physical Society Prize. She was appointed an Enrico Fermi Postdoctoral Fellow at the University of Chicago before joining the faculty at NC State University. She is a 2014 RCSA Cottrell Scholar.
Dr. Patrick Talou is the Group Leader for the Materials and Physical Data Group (XCP-5) in the Computational Physics Division at the Los Alamos National Laboratory. He obtained his PhD in Theoretical Nuclear Physics at the University of Bordeaux in France, before moving to LANL. His interests span nuclear reaction theories, nuclear fission, fundamental quantum mechanics, nuclear data evaluations and Bayesian statistical methods. Since 2014, Dr. Talou has been leading a multi-institute NA-22 collaboration on the modeling and simulation of correlated fission events using advanced transport codes. He is also leading the Nuclear Physics project under the PEM (Physics &Engineering Models) for the DOE/NNSA ASC program (Advanced Simulation and Computing). Dr. Talou founded and chaired the first two editions of the FIESTA School and Workshop on Nuclear Fission, held in Santa Fe, NM, USA.
Dr. WalidYounes is a scientist at Lawrence Livermore National Laboratory where he researches the quantum many-body problem and its application to describe the nuclear fission process at a microscopic level starting from neutrons, protons, and an effective interaction between them. Dr. Younes co-authored
Microscopic Theory of Nuclear Fission
with Dr. Daniel Gogny in Springer's "Lecture Notes in Physics" series and is co-authoring a textbook
An Introduction to Nuclear Fission
in Springer's Graduate Texts in Physics series. He received his PhD in nuclear physics from Rutgers University.
Content
Part1. Modeling Compound-Nuclear Reactions.- Chapter1. Towards more predictive nuclear reaction modelling.- Chapter2. Modelling compound nuclear reactions with EMPIRE.- Chapter3. CoH3: The Coupled-Channels and Hauser-Feshbach Code.- Part2. Beyond Statistical Descriptions.- Chapter4. Recent advances in R-matrix data analysis.- Chapter5. The transition from isolated resonances to the continuum.- Chapter6. Cross section correlation functions and deviations from the Porter-Thomas distribution.- Chapter7. Moldauer's sum rule implies superradiance in compound nuclear reactions 48.- Chapter8. Multi-step direct reaction models including collectivity in nucleon induced reactions.- Chapter9. New symmetry-adapted ab initio approach to nuclear reactions for intermediate-mass nuclei.- Part3. Optical Models.- Chapter10. Linking nuclear reactions and nuclear structure to study exotic nuclei using the dispersive optical model.- Chapter11. Microscopic optical potential from chiral effective field theory.- Part4. Level Densities.- Chapter12. Nuclear level densities: from empirical models to microscopic methods.- Chapter13. Problem of level densities in compound nuclear reactions.- Chapter14. Nuclear shell model and level density.- Chapter15. Constraining level densities using spectral data.- Chapter16. Rotational enhancement factor for nuclear level density.- Chapter17. Role of fluctuations on the pairing properties of nuclei in the random spacing model.- Part5. Gamma-ray Strength Functions.- Chapter18. Gamma strength functions and the Brink-Axel hypothesis.- Chapter19. Gamma-ray strength functions and GDR cross sections in the IAEA photonuclear data project.- Chapter20. Neutron capture on actinides studied with DANCE.- Chapter21. Deconvolution of the photon strength function.- Part6. Oslo Method.- Chapter22. Attempting to close the loop on the Oslo technique at 198Au: constraining the nuclear spin distribution.- Chapter23. Impact of restricted spin-ranges in the Oslo method: The example of (d,p)240Pu.- Chapter24. Systematics of gamma-ray strength functions within the shell model.- Part7. Surrogate Nuclear Reactions.- Chapter25. Future perspectives for surrogate-reaction studies at storage rings.- Chapter26. Prospects for surrogate neutron capture measurements with radioactive ion beams and GODDESS.- Chapter27. Surrogate reaction method for neutron capture and other reactions on unstable nuclei.- Chapter28. Neutron capture cross sections from surrogate reaction data and theory: connecting the pieces with a Markov-Chain Monte Carlo approach.- Chapter29. Neutron transfer reactions for deformed nuclei using a Sturmian basis.- Part8. Fusion, Isotope Production, and Superheavy Nuclei.- Chapter30. PCN calculations for Z=111 to Z=118.- Chapter31. On the role of the curvature corrections in the surface tension coefficient upon the orientation effects in the fusion reactions.- Chapter32. Excitation function measurements of alpha-induced reaction on naturalcopper and titanium up to 46 MeV.- Chapter33. Measurement of the excitation function of 96Zr(alpha,x)99Mo reaction up to 32 MeV.- Part9. Fission.- Chapter34. A grand tour of nuclear fission physics.- Chapter35. Microscopic calculation of fission mass distributions at increasing excitation energies.- Chapter36. Microscopic description of fission for the r-process in neutron star mergers 242.- Chapter37. Event-by-event modeling with FREYA.- Chapter38. Capabilities of the NIFFTE FissionTPC.- Part10. Experimental Techniques and Facilities.- Chapter39. Resonance measurements at Rensselaer Polytechnic Institute.- Chapter40. Experimental facilities at iThemba LABS and measurements to constrain astrophysical processes.- Chapter41. Late gamma rays from neutron-induced fission and capture from 235U.