from 29 May 2014 to 3 June 2014
Auditorium Maximum
Europe/Warsaw timezone
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Contribution plenary talk

Auditorium Maximum - Plenary

Current theoretical topics on $K^-pp$ quasi-bound state

Speakers

  • Yoshinori AKAISHI

Primary authors

Abstract content

The $\Lambda^$=$\Lambda (1405)$ plays an essential role in forming anti-kaonic nuclear clusters, the simplest one of which is $K^-pp=(K^-p)-p=\Lambda^-p$. In relation to this clustering structure we have examined the reaction processes, $^3$He$(K^-,n)K^-pp$ and D$(\pi^+,K^+)K^-pp$, of the recent E15 and E27 J-PARC experiments. The $\Lambda^*-p$ structure interacting with "super-strong force" due to $\bar K$ migration between two nucleons provides a possible explanation of both the recent data on $K^-pp$. The structure is extended to $K^-K^-pp$ system, which is of more fundamental importance in deeply bound anti-kaonic nuclei.