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dc.contributor.authorBeane, Silas R.-
dc.contributor.authorChang, Emmanuel-
dc.contributor.authorDetmold, William-
dc.contributor.authorJoo, B.-
dc.contributor.authorLin, H. W.-
dc.contributor.authorLuu, Thomas C.-
dc.contributor.authorOrginos, Kostas-
dc.contributor.authorParreño García, Assumpta-
dc.contributor.authorSavage, Martin J.-
dc.contributor.authorTorok, Aaron-
dc.contributor.authorWalker-Loud, André-
dc.contributor.authorNPLQCD Collaboration-
dc.description.abstractWe present evidence for the existence of a bound H dibaryon, an I = 0 , J = 0 , s = − 2 state with valence quark structure u u d d s s , at a pion mass of m π ∼ 389     MeV . Using the results of lattice QCD calculations performed on four ensembles of anisotropic clover gauge-field configurations, with spatial extents of L ∼ 2.0 , 2.5, 3.0, and 3.9 fm at a spatial lattice spacing of b s ∼ 0.123     fm , we find an H dibaryon bound by B H ∞ = 16.6 ± 2.1 ± 4.6     MeV at a pion mass of m π ∼ 389     MeV .-
dc.format.extent4 p.-
dc.publisherAmerican Physical Society-
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofPhysical Review Letters, 2011, vol. 106, num. 16, p. 162001-
dc.rights(c) American Physical Society, 2011-
dc.subject.classificationFísica de partícules-
dc.subject.otherParticle physics-
dc.titleEvidence for a Bound H-dibaryon from Lattice QCD-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

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