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Fri, May 14, 2021

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National Superconducting Cyclotron Laboratory Seminar  (Conferences / Seminars / Lectures)

Hans-Werner Hammer from TU Darmstadt Institute of Nuclear Physics will be speaking.

The presentation is titled "Theory Center Structure and lifetime of the hypertriton."

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.

more information...

Location: Online via Zoom [map]
Price: free
Sponsor: National Superconducting Cyclotron Laboratory
Contact: National Superconducting Cyclotron Laboratory
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