Bulletin of the American Physical Society
APS April Meeting 2022
Volume 67, Number 6
Saturday–Tuesday, April 9–12, 2022; New York
Session Y04: ReA Experiments Toward FRIB ScienceInvited Live Streamed
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Sponsoring Units: DNP Chair: Jing Liu, University of South Dakota Room: Salon 2 |
Tuesday, April 12, 2022 1:30PM - 2:06PM |
Y04.00001: Measurements of nuclear reactions in stellar explosions with SECAR Invited Speaker: Ruchi Garg Stellar explosions such as novae, supernovae, and X-ray bursts involve thermonuclear reactions on rare isotopes. Interpretation of observations such as the light curves from X-ray bursts, elemental abundances, or γ-rays from nuclear decay as well as predictions of nucleosynthesis are notably impacted by large uncertainties in the nuclear reaction rates. Many of these reactions either have no experimental data available or have only been constrained indirectly. |
Tuesday, April 12, 2022 2:06PM - 2:42PM |
Y04.00002: Probing nuclear structures with light-ion induced reactions using SOLARIS at ReA Invited Speaker: Jie Chen The study of the nuclear structure and nuclear forces which drives the underlying changes in nuclear shell structure at the limits of stability impacts our understanding of the universe, certain scientific models and origins of the patterns observed in nuclei. The experimental study of these nuclei requires the availability of rare isotopes (RI), which has led to the construction of a next-generation Facility for Rare Isotope Beams (FRIB). Through various experiments we can investigate nuclei with exotic behavior, such as neutron and proton halos, the breakdown of conventional shell closures, emergance of new magic numbers and other weak-binding phenomena. Numerous innovative techniques have been developed for studying RI nuclei using light-ion reactions, among them the solenoid spectrometer SOLARIS coupled to the reaccelerated (ReA) beam line of FRIB. Recent progress with SOLARIS will be presented, including a series of experiments carried out with SOLARIS in both silicon-array and AT-TPC (Active Target Time Projection Chamber) modes. An outlook of future experimental opportunities with FRIB ReA beams will also be discussed. |
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