Theory Seminar - Shuntaro Sakai

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  • Theory Seminar - Shuntaro Sakai
    https://bluejeans.com/801786278
    Remote
    2021-08-30EDT9:00:00 ~ 2021-08-30EDT10:00:00
    15819
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Speaker: Shuntaro Sakai (Osaka University)

Title: Extraction of ND scattering lengths from the Λb --> π- p D0 decay and properties of the Σc(2800)+

Abstract: In this talk, we introduce our recent work on the analysis of the p D0 invariant-mass distribution in the Λb --> π- p D0 decay to extract the S-wave ND scattering length with particular attention to the cusplike structure at the n D+ threshold.The analysis is based on a coupled-channel nonrelativistic effective field theory. It is found that the isovector ND scattering length is largely enhanced by the pole near the ND threshold which can be associated with Σc(2800)+. Our results suggest the spin and parity of this Σc resonance is JP=1/2- which can couple to the S-wave ND channel.

Event Date
-
Location
Remote
Category
Scientific Program
Seminars
Contact Name
Astrid Hiller Blin
Phone
(757) 291-6890