30 citations · 31 across the 4 of their papers we have counts for
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Hadronisation of in-medium pairs to the exotic
Henrique Legoinha, Bernardo Picão, Pedro Bicudo
The production ratios of hidden-charm hadrons observed in nuclear collisions reflect the degree of separation that the precursor pair develops inside the quark-gluon plas…
QCD vacuum replicas are metastable
Pedro Bicudo, José Emílio Ribeiro
We study the meson spectra in the excited QCD vacua, denominated replicas. We find all mesons have real masses, with no tachyons, thus showing the QCD replicas are indeed metastabl…
QCD vacuum replicas are metastable
P. Bicudo, J. E. Ribeiro
A metastable phase has important physical implications, since it may form vacuum bubbles detectable experimentally, whereas an unstable vacuum instantly explodes. It is well known,…
Vacuum replicas in QCD
P. J. A. Bicudo, A. V. Nefediev, J. E. F. T. Ribeiro
The properties of the vacuum are addressed in the two- and four-dimensional quark models for QCD. It is demonstrated that the two-dimensional QCD ('t Hooft model) possesses only on…