Λc+, ∑c, Ξc and Λb hypernuclei in the quark-meson coupling model

Tsushima K.; Khanna F.C.

Λc+, ∑c, Ξc and Λb hypernuclei in the quark-meson coupling model

Tipo

Artigo

Data de publicação

2004

Periódico

Journal of Physics G: Nuclear and Particle Physics

Citações (Scopus)

44

Autores

Tsushima K.
Khanna F.C.

Resumo

Charmed (and bottom) hypernuclei are studied in the quark-meson coupling (QMC) model. This completes systematic studies of charmed (Λ c+, ∑c, Ξc), and Λb, hypernuclei in the QMC model. Effects of the Pauli blocking due to the underlying quark structure of baryons, and the ∑ cN-ΛcN channel coupling are phenomenologically taken into account at the hadronic level in the same way as those included for strange hypernuclei. Our results suggest that the ∑c ++ and Ξc+ hypernuclei are very unlikely to be formed, while the Λc+, Ξc 0 and Λb, hypernuclei are quite likely to be formed. For the ∑c+ hypernuclei, the formation probability is non-zero, though small. A detailed analysis is also made about the phenomenologically introduced Pauli blocking and channel coupling effects for the ∑c0 hypernuclei.