Seminars

Tuesday, Jan 19 at 11:00 AM
Online via Zoom
Hans-Werner Hammer, TU Darmstadt Institute of Nuclear Physics - Theory Center
Structure and lifetime of the hypertriton

Abstract:  We calculate the structure of the hypertriton in pionless effective field theory and find a pronounced Lambda-deuteron cluster structure. This motivates our investigation of the hypertriton lifetime as a function of the Lambda separation energy in an effective field theory with Lambda and deuteron degrees of freedom. We also consider the impact of new measurements of the weak decay parameter of the Lambda. While the sensitivity of the total width to B_Lambda is small, the partial widths for decays into individual final states and the experimentally measured ratio R=Gamma_3He/(Gamma_3He+Gamma_pd) show a strong dependence. We comment on recent measurements of hypertriton properties in heavy ion collisions.

Thursday, Jan 21 at 3:00 PM
Online via Zoom
Jaideep Singh, FRIB Panelist
Advancing nuclear physics through national lab partnerships

Abstract:  This webinar will highlight the critical role of partnerships in support of nuclear physics research. Representatives from the Department of Energy's Office of Science for Nuclear Physics, Jefferson Lab, and Brookhaven National Laboratory will describe the range of world-class expertise, facilities, and resources available throughout the DOE National Laboratory Network, as well how advances in nuclear physics impact science and society. Looking to the future, we will also discuss the rich scientific program planned for the newly approved Electron Ion Collider (EIC), as well as hear from academic researchers advancing science through partnerships with Argonne National Laboratory, Facility for Rare Isotope Beams, Jefferson Lab, and Lawrence Berkeley National Laboratory.