Journal
PHYSICAL REVIEW D
Volume 87, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.034504
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Funding
- FCT [POCI/FP/81933/2007, CERN/FP/83582/2008, PTDC/FIS/100968/2008, CERN/FP/109327/2009, CERN/FP/116383/2010, CERN/FP/123612/2011, SFRH/BD/44416/2008]
- Fundação para a Ciência e a Tecnologia [POCI/FP/81933/2007, CERN/FP/83582/2008, CERN/FP/116383/2010, CERN/FP/123612/2011, SFRH/BD/44416/2008] Funding Source: FCT
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We compute the color fields of SU(3) lattice QCD created by static pentaquark systems, in a 24(3) x 48 lattice at beta = 6.2 corresponding to a lattice spacing a = 0.07261(85) fm. We find that the pentaquark color fields are well described by a multi-Y-type shaped flux tube. The flux tube junction points are compatible with Fermat-Steiner points minimizing the total flux tube length. We also compare the pentaquark flux tube profile with the diquark-diantiquark central flux tube profile in the tetraquark and the quark-antiquark fundamental flux tube profile in the meson, and they match, thus showing that the pentaquark flux tubes are composed of fundamental flux tubes. DOI: 10.1103/PhysRevD.87.034504
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