[RBRC seminar] Elusive $\Theta^+$

by Prof. Michal Praszalowicz (Jagiellonian University)

Thursday 10 Jul 2025, 12:30 → 14:30 US/Eastern

2-160 (https://bnl.zoomgov.com/j/1600983728?pwd=RAD7OLcqre7Ycsp6JfFp6HAnpyLxex.1)

In 2003, two experimental groups, LEPS and DIANA, announced the discovery of a light, narrow, exotic baryon with mass within the range of 1540 MeV, which was later dubbed as $\Theta^+$. In this talk we recall the history of this (un)discovery and its theoretical foundations. We also discuss possible future experiments that could determine the existence of $\Theta^+$.