19792789

Source:http://linkedlifedata.com/resource/pubmed/id/19792789

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Predicate	Object
rdf:type	pubmed:Citation
lifeskim:mentions	umls-concept:C0004776, umls-concept:C0205250, umls-concept:C0549255, umls-concept:C0577559
pubmed:issue	9
pubmed:dateCreated	2009-10-1
pubmed:abstractText	We argue that three-quark excited states naturally group into quartets, split into two parity doublets, and that the mass splittings between these parity partners decrease higher up in the baryon spectrum. This decreasing mass difference can be used to probe the running quark mass in the midinfrared power-law regime. A measurement of masses of high-partial-wave Delta* resonances should be sufficient to unambiguously establish the approximate degeneracy. We test this concept with the first computation of excited high-j baryon masses in a chirally invariant quark model.
pubmed:language	eng
pubmed:journal	http://linkedlifedata.com/resource/pubmed/journal/0401141
pubmed:status	PubMed-not-MEDLINE
pubmed:month	Aug
pubmed:issn	0031-9007
pubmed:author	pubmed-author:BicudoPP, pubmed-author:CardosoMM, pubmed-author:Llanes-EstradaFelipe JFJ, pubmed-author:Van CauterenTT
pubmed:issnType	Print
pubmed:day	28
pubmed:volume	103
pubmed:owner	NLM
pubmed:authorsComplete	Y
pubmed:pagination	092003
pubmed:year	2009
pubmed:articleTitle	Probing the infrared quark mass from highly excited baryons.
pubmed:affiliation	CFTP, Departamento de Física, Instituto Superior Técnico, Lisboa, Portugal.
pubmed:publicationType	Journal Article