Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session G01: DNP Awards SessionPrize/Award
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Chair: Dean Lee, Michigan State University Room: Hilton Waikoloa Village Monarchy Ballroom |
Thursday, November 30, 2023 12:00PM - 12:30PM |
G01.00001: Investigating neutrinos and the weak interaction with Cyclotron Radiation Emission Spectroscopy Invited Speaker: Elise M Novitski Observations of β decay have long provided a window into the nature of the weak interaction and the particles that participate in it, from prompting Wolfgang Pauli to first propose the neutrino to enabling Chien-Shiung Wu's discovery of parity violation. Today, observation of the β- spectrum of tritium by the KATRIN collaboration sets the most precise directly measured limit on neutrino mass, while β decay experiments in other nuclei precisely probe the symmetries of the weak interaction. Cyclotron Radiation Emission Spectroscopy (CRES) is an emerging technique that has the potential to surpass the precision of existing methods. The Project 8 Collaboration has set the first CRES-based neutrino-mass limit, demonstrating high resolution and extremely low background. The He6-CRES collaboration has also observed β decay of 19Ne and 6He to search for chirality-flipping interactions. I will introduce CRES, report on both of these recently published results, and describe the outlook for future increases in precision and physics reach. |
Thursday, November 30, 2023 12:30PM - 1:00PM |
G01.00002: Nuclear Effective Theory of Muon-to-Electron Conversion Invited Speaker: Evan J Rule Limits on the charged lepton flavor violating (CLFV) process of μ→e conversion are expected to improve by four orders of magnitude due to the next generation of experiments, Mu2e at Fermilab and COMET at J-PARC. The kinematics of the decay of a trapped muon are ideal for detecting a signal of CLFV, but the intervening nuclear physics presents a significant roadblock to the interpretation of experimental results. We introduce an effective theory of μ→e conversion formulated at the nuclear scale, which factorizes the nuclear physics from the CLFV leptonic physics, sequestering the latter quantity into unknown low-energy constants (LECs) that are probed directly by experiments. Utilizing state-of-the-art shell-model calculations of nuclear response functions, we discuss how a program of μ→e conversion measurements on different targets—selected for their nuclear ground-state properties—could constrain the unknown LECs. Finally, we discuss the relationship of the nuclear effective theory to higher-energy effective theories. |
Thursday, November 30, 2023 1:00PM - 1:30PM |
G01.00003: Quantification of the Quark-Gluon Plasma with statistical learning Invited Speaker: Matthew R Heffernan The results of the first global Bayesian analysis of relativistic Pb + Pb collisions at $sqrt{s_{NN}} = 2.76$ TeV using a multistage model with an IP-Glasma initial state are presented. The hybrid model, also including a viscous fluid dynamical evolution and a hadronic transport final state, represents state-of-the-art physics modeling of the evolution of quark gluon plasma. The observables from the soft sector hadronic final state are systematically compared to data with the first use of novel transfer learning, design space sampling, and non-uniform prior distributions in heavy ion collisions. Theoretical consistency of the model is demonstrated with Bayes Factor closure tests, also for the first time in heavy ion collisions, as well as thorough model validation for Bayesian inference. The resulting analysis reveals new sensitivity of experimental observables to the properties of quark gluon plasma. Precise predictions and accurate post dictions using the most realistic available dynamics of pre-equilibrium strongly-interacting matter are shown and demonstrate the resounding success of Bayesian methods in heavy ion physics. |
Thursday, November 30, 2023 1:30PM - 2:00PM |
G01.00004: Mentoring remarkable students Invited Speaker: Charles J Horowitz I briefly describe the diverse nuclear physics research of a few remarkable graduate students including some extraordinary participants in the APS bridge program. This program helps nontraditional students transition to graduate research. |
Thursday, November 30, 2023 2:00PM - 2:15PM |
G01.00005: The 2022 Parents of IsOtopes for the Next Generation Paul Gueye, Thomas Baumann, Casey Hulbert The 2022 “Physicists Inspiring the Next Generation (PING): Exploring the Nuclear Matter” was held at the Facility for Rare Isotope Beams of Michigan State University, East Lansing, MI as a combined two-week and year-round program research opportunity for eighteen high school and middle school students. The program also includes undergraduate students performing basic or applied nuclear science. The pre-college students originated from California, Florida, Michigan, Georgia, Virginia, and New Jersey. During the spring 2023, the parents of PING2022 formed a new program, “Parents of IsOtopes for the Next Generation” aimed at leveraging their experience to expose students beyond the standard outreach effort of MSU/FRIB. This presentation will provide an overview of the PING2022 parent experiences, the impacts on their children and how this program can be expanded to other settings. |
Thursday, November 30, 2023 2:15PM - 2:30PM |
G01.00006: MiPhysStories: Sharing successes and expanded opportunities in nuclear science Larry W May, Lauren A McIntosh, Sherry Yennello There have historically been few opportunities for students from minority backgrounds to engage in world-class nuclear science research. Expanding access to research opportunities diversifies the intellectual infrastructure of nuclear science. We explore the effect of this expansion of opportunities through interviews with student and PI researchers already in the field, as well as the success stories of two recent graduates from the Texas Research Expanding Nuclear Diversity (TREND) program. |
Thursday, November 30, 2023 2:30PM - 2:45PM |
G01.00007: Creating Rare Connections Agnes Mocsy In this talk we will embark on the exploration of the making of “Rare Connections”, a documentary film in production, centered on the Facility of Rare Isotope Beams (FRIB). The film delves into the cutting-edge world of nuclear science and its profound impact on society through personal stories of scientists at different stages of their career, who hail from vastly different corners of the country and the globe, while unveiling the unique paths that led them to FRIB. Through the transformative power of storytelling this documentary fosters the remarkable and relatable connections between a highly diverse group of scientists, staff, technology, the arts, and the wider community. Through an intimate cinematic lens and partnership with various art forms, ”Rare Connections" invites viewers on an inspiring, informative, and emotional journey. |
Thursday, November 30, 2023 2:45PM - 3:00PM |
G01.00008: The Impact of the Advisor Selection Process Among Black and Latinx STEM Gradaute Students Overtime Tasia Bryson An advisor is often the most central person influencing the trajectories of students of color throughout graduate school. The purpose of this study is to explore the factors that affect how and why Black and Latinx students in STEM graduate programs select their advisors and the impact it has on their graduate experience. Critical Race Theory (CRT) was used to explore participants' experiences at Predominately White Institutions as it provides an in-depth understanding of the issues in postsecondary settings [1]. Using a qualitative research approach, data was collected through six individual semi-structured interviews over three years with each participant. The interviews were audio-recorded, transcribed, and analyzed with emergent coding. This study's data emerged from a larger study focusing on the experiences of underrepresented minority students enrolled in STEM/SBE graduate programs at three Predominantly White Institutions in the Midwest. Purposeful sampling was used from this larger population to identify 19 Black and Latinx students in STEM graduate programs. Findings suggested from this study provide evidence that Black and Latinx students selected their advisors based on research interest, lab rotations and research experiences for undergraduates (REU), lab space and funding availability, and personality compatibility; these factors can significantly impact the student’s overall experience. |
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