Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session EE: Mini-symposium: Photoproduction and Electroproduction of Hadrons I
7:00 PM–9:30 PM,
Thursday, October 25, 2018
Hilton
Room: King's 1
Chair: Ken Hicks, Ohio University
Abstract ID: BAPS.2018.HAW.EE.6
Abstract: EE.00006 : Structures of the Λ(1405) in the Skyrme model*
8:30 PM–8:45 PM
Abstract 
Presenter:
Takashi Ezoe
(RCNP, Osaka University)
Authors:
Takashi Ezoe
(RCNP, Osaka University)
Atsushi Hosaka
(RCNP, Osaka University)
The Λ(1405) is well-known as a candidate of an exotic hadron resonance. Historically, the Λ(1405) was identified with a bound state of the anti-kaon (Kbar) and the nucleon (N). However, it is now considered to be a resonance state of the KbarN and πΣ channels. There are many experimental and theoretical studies for the Λ(1405). In this talk, we have investigated the structures of the Λ(1405) in the Skyrme model, where a baryon is described by a soliton with finite structures. To do that, we derive the coupling constant for the KbarN-πΣ vertex.
*This work is supported by the JSPS KAKENHI [the Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (JSPS)] with Grant No. JP26400273(C).
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.EE.6
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