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Abstract:
The mass of an atomic nucleus is a fundamental property which reflects its binding energy resulted from all the interactions acting among constituent nucleons. The challenge today is to precisely determine masses of exotic nuclei with very short lifetimes and tiny production rates, which are highly demanded to investigate many physics problems. Nuclear mass measurements are conducted or planned at all the radioactive-ion-beam research facilities under operation or construction worldwide.
We have measured masses of more than 50 short-lived nuclides using the isochronous mass spectrometry (IMS) at HIRFL-CSR (Heavy Ion Research Facility in Lanzhou, Cooler Storage Ring). Recently, we established the Bρ-defined IMS, which is a new technique for broadband high-precision mass measurements of short-lived exotic nuclides. Recent progress will be presented in this talk.
Biography:
WANG Meng is a researcher of institute of modern physics, Chinese Academy of Sciences. He is one of the key persons who established the isochronous mass spectrometry at HIRFL-CSR and has led more than 10 experiments on mass measurements of short-lived nuclides. He has been working on atomic mass evaluation (AME) since 2009 and served as the coordinator of the AME collaboration since 2013.
Online Meeting Room：