<html><head></head><body>Theory Center Seminar<br>
Today - Monday, Nov 16, 2015<br>
1:00 p.m. <br>
CEBAF Center, Room L102<br>
<br>
Jean-Marc Richard<br>
Institut de Physique Nucléaire & Université de Lyon (France)<br>
<br>
Title: Possibility of new light hypernuclei<br>
<br>
Abstract: The spectroscopy and production mechanisms of light hypernuclei with strangeness -1 or -2 are revisited. There is already an abundant literature of the subject, but the recent approaches to inter-hadronic forces offer new possibilities of binding, for instance, a neutral state made of two neutrons and two hyperons. For a given set of scattering lengths, the existence of such a Borromean bound state depends crucially on the value of the effective range parameter for the hyperon-hyperon and hyperon-neutron interaction.
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