PoS - Proceedings of Science
Volume 321 - Sixth Annual Conference on Large Hadron Collider Physics (LHCP2018) - Posters
Hidden-charm and -bottom pentaquarks as meson-baryon molecules coupled to the five-quark states
A. Giachino,* Y. Yamaguchi, A. Hosaka, E. Santopinto, S. Takeuchi, M. Takizawa
*corresponding author
Full text: pdf
Pre-published on: July 31, 2018
Published on: December 21, 2018
Abstract
The hidden-charm and hidden-bottom pentaquarks are investigated as meson-baryon molecules
coupled to the five-quark states. As a result of our calculation, we find that, in the charm
sector, one needs the five-quark potential in addition to the pion exchange potential in order to
produce bound and resonant states, whereas, in the bottom sector, the pion exchange interaction is
strong enough to produce states. Thus, from this investigation, it emerges that the hidden-bottom
pentaquarks are more likely to form than their hidden-charm counterparts; for this reason, we
suggest that the experimentalists should look for pentaquark states in the bottom sector.
DOI: https://doi.org/10.22323/1.321.0082
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