Artículos de revistas
Identifying Multiquark Hadrons from Heavy Ion Collisions
Fecha
2011Registro en:
PHYSICAL REVIEW LETTERS, v.106, n.21, 2011
0031-9007
10.1103/PhysRevLett.106.212001
Autor
CHO, Sungtae
FURUMOTO, Takenori
HYODO, Tetsuo
JIDO, Daisuke
KO, Che Ming
LEE, Su Houng
NIELSEN, Marina
OHNISHI, Akira
SEKIHARA, Takayasu
YASUI, Shigehiro
YAZAKI, Koichi
Institución
Resumen
Identifying hadronic molecular states and/or hadrons with multiquark components either with or without exotic quantum numbers is a long-standing challenge in hadronic physics. We suggest that studying the production of these hadrons in relativistic heavy ion collisions offers a promising resolution to this problem as yields of exotic hadrons are expected to be strongly affected by their structures. Using the coalescence model for hadron production, we find that, compared to the case of a nonexotic hadron with normal quark numbers, the yield of an exotic hadron is typically an order of magnitude smaller when it is a compact multiquark state and a factor of 2 or more larger when it is a loosely bound hadronic molecule. We further find that some of the newly proposed heavy exotic states could be produced and realistically measured in these experiments.