[Triumf-seminars] TRIUMF Special Seminar today at 14:00

[TRIUMF Seminars]

Date/Time: Wed 2022-10-12 at 14:00

Location:  Auditorium          

Speaker:   Lukas Nies (University of Greifswald)

Title:     Direct Mass-Measurements in the Vicinity of Tin-100 Provide new Experimental Input to Nuclear Theory

Abstract: In recent years, much attention has been drawn to the heaviest known self-conjugate nucleus, 100Sn, and its implications on nuclear structure models. Various decay experiments have been conducted to study the nucleus’ expected doubly-magic character of the closed proton and neutron shells. Direct measurements through mass-spectrometry or laser-spectroscopy are challenging due to its short half-life and difficult production and have yet to be performed. One proton removed from tin, however, neutron-deficient indium isotopes play a crucial role in understanding nuclear structure in the vicinity of 100Sn. Mass measurements of 99In and 100In in combination with ab inito many-body calculations now test our understanding of nuclear forces close to the shell closure. Going one step further, the excitation energy of the (1/2)- isomeric state in 99In has been measured employing Time-of-Flight mass-spectrometry at ISOLDE/CERN. Experimental results of this experimental campaign, including the mass-spectrometry of eleven ground states and seven isomers of neutron deficient indium isotopes, are presented and compared with nuclear shell model and ab initio calculations. *****  

Hybrid: https://uvic.zoom.us/j/83902674651?pwd=dUJZQkV1ODU1SUJoOFNyN2xXbXpMUT09 *****

Meeting ID: 839 0267 4651 ***** 
Password: 995330 *****

Hybrid: https://uvic.zoom.us/j/83902674651?pwd=dUJZQkV1ODU1SUJoOFNyN2xXbXpMUT09 *****

Meeting ID: 839 0267 4651 ***** 
Password: 995330 *****

______________________________

General TRIUMF seminar information available at http://www.triumf.ca/home/upcoming-events/about-seminars-lectures