Masses of excited heavy baryons in the relativistic quark-diquark pictureстатья
Статья опубликована в высокорейтинговом журнале
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Аннотация:The mass spectra of the excited heavy baryons consisting of two light (u, d, s) and one heavy (c, b) quarks are calculated in the heavy-quark-light-diquark approximation within the constituent quark model. The light quarks, forming the diquark, and the light diquark in the baryon are treated completely relativistically. The expansion in v/c up to the second order is used only for the heavy (b and c) quarks. The internal structure of the diquark is taken into account by inserting the diquark-gluon interaction form factor. An overall good agreement of the obtained predictions with available experimental data is found. (c) 2007 Elsevier B.V. All rights reserved.