Bulletin of the American Physical Society
2005 2nd Joint Meeting of the Nuclear Physics Divisions of the APS and The Physical Society of Japan
Sunday–Thursday, September 18–22, 2005; Maui, Hawaii
Session AP: Plenary Session: Future Directions in Nuclear Physics |
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Sponsoring Units: DNP JPS Chair: V.R. Brown, Massachusetts Institute of Technology and University of Maryland Room: Ritz-Carlton Hotel Ritz-Carlton Ballroom |
Monday, September 19, 2005 1:45PM - 2:00PM |
AP.00001: Welcome Virginia R. Brown
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Monday, September 19, 2005 2:00PM - 2:45PM |
AP.00002: The Great Science Questions Driving Nuclear Science Today Invited Speaker: In today's highly competitive world of funding for discovery science, each field must clearly articulate its science goals and priorities, before it talks about how much money it needs and what it wants to build (Science First!). Also important is identifying the synergies and overlaps with other disciplines, coordination between agencies and plans for international cooperation/coordination. I believe that Nuclear Science has a rich agenda for discovery, and in this talk I will engage the community in a discussion of what the big questions are, in preparation for the NRC Decadal Survey in Nuclear Science. [Preview Abstract] |
Monday, September 19, 2005 2:45PM - 3:30PM |
AP.00003: Perspective of nuclear physics and nuclear astrophysics studies Invited Speaker: In recent decades, studies with beams of unstable nuclei have greatly developed in the fields of nuclear structure physics and nuclear astrophysics. At RIKEN, beams of unstable nuclei with a few tens MeV/nucleon energies have been produced by the projectile-fragmentation scheme. We call them ``radioactive isotope (RI) beams'', which have been provided since 1990. The separator RIPS can produces a beam with the world's highest intensity for many light unstable nuclei. Through investigations with such exotic beams provided by RIKEN facility together with similar ones in the world, NSCL, GANIL, GSI, and Lanzhou, for example, many new nuclear properties have been found, such as particle-stability in the vicinity of the neutron drip-line, properties of neutron halo and skin, appearance and disappearance of magic numbers, and decoupling of neutron and proton motion. Nuclear astrophysics studies have also been made with direct and indirect methods for nuclear burning processes involving unstable nuclei. Encouraged by the achievements of these RI-beam based researches, a new project called RI Beam Factory (RIBF) has been planned at RIKEN. Its basic part (accelerators and an RI beam separator called BigRIPS) is now under construction and will be commissioned during the year 2006. The RIBF is designed to provide much wider range of RI beams with higher intensities compared with the present facility. In-flight fission of a 350~MeV/nucleon primary beam of uranium will be used as well as projectile fragmentation of ions, such as those of Xe, Kr and Ca. We aimed at greatly extending the region of nuclei to be studied. Toghther with other new generation facilities like RIA, FAIR and Spiral2, we hope that a new ans comprehensive picture for the nuclear system is established and the mechanism of creating chemical elements in the universe is clarified. [Preview Abstract] |
Monday, September 19, 2005 3:30PM - 4:00PM |
AP.00004: Coffee Break
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Monday, September 19, 2005 4:00PM - 4:45PM |
AP.00005: Some topics of theoretical studies of exotic nuclear structure Invited Speaker: Three recent topics of theoretical studies of exotic nuclear structure are discussed. The first topic is different deformations of neutron and proton distributions in unstable nuclei. The second is the superdeformation in sd shell nuclei and its relation to nuclear molecular resonances. The third topic is ``gas-like'' states in light nuclei. [Preview Abstract] |
Monday, September 19, 2005 4:45PM - 5:30PM |
AP.00006: What Do We Know and What Do We Need to Know in Nuclear Science. Invited Speaker: The mission of nuclear science is to understand the origin, evolution and structure of the baryonic matter in the universe -- the matter that makes up stars, planets and human life itself. This is a time of tremendous progress in our science. In this talk, I will take stock of where we stand in our quest to understand baryonic matter and focus the discussion for the future in terms of the scientific questions we must address to make progress. It is a time of great opportunities and exciting challenges throughout our science: in the study of nuclei and nuclear astrophysics, quantum chromodynamics and the fundamental symmetries and forces of nature. [Preview Abstract] |
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