The mass of the newly discovered pentaquark is calculated within the framework of the SU(3) Skyrme model. Various estimates based on the model independent approach are compared with the model results and with the chiral quark model. Our discussion shows that Theta(+) is light with the mass of the order 1.5 GeV. (C) 2003 Published by Elsevier B.V.
机构:
Univ Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
IGFAE, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
Adam, C.
Naya, C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
IGFAE, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
Naya, C.
Sanchez-Guillen, J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
IGFAE, E-15782 Santiago De Compostela, SpainUniv Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
Sanchez-Guillen, J.
Wereszczynski, A.
论文数: 0引用数: 0
h-index: 0
机构:
Jagiellonian Univ, Inst Phys, PL-30059 Krakow, PolandUniv Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain