Negative parity nonstrange baryons in large Nc QCD: quark excitation versus meson-nucleon scattering

Reference : Negative parity nonstrange baryons in large Nc QCD: quark excitation versus meson-nuc...


	Document type :	Scientific congresses and symposiums : Paper published in a journal
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/2268/169246

Title :	Negative parity nonstrange baryons in large Nc QCD: quark excitation versus meson-nucleon scattering
Language :	English
Author, co-author :	Stancu, Floarea [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
	Matagne, Nicolas [Université de Mons-Hainaut - UMH > Physique Nucléaire et Subnucléaire > > postdoc >]
Publication date :	2011
Journal title :	Bled Workshops in Physics
Publisher :	DMFA-Zlosnistvo
Volume :	12
Issue/season :	1
Pages :	57-63
Peer reviewed :	No
Audience :	International
ISSN :	1580-4992
City :	Ljubljana
Country :	Slovenia
Event name :	Mini-Workshop "Understanding hadronic spectra"
Event date :	July 3-10, 2011
Event organizer :	University of Ljubljana
Event place (city) :	Bled
Event country :	Slovenia
Keywords :	[en] negative parity baryon spectrum ; Large Nc QCD ; quark models
Abstract :	[en] We show that the two complementary pictures of large $N_c$ baryons - the single-quark orbital excitation about a symmetric core and the meson-nucleon resonance -- are compatible for $\ell$ = 3 SU(4) baryons. The proof is based on a simple Hamiltonian including operators up to order $\mathcal{O}(N^0_c)$ used previously in the literature for $\ell$ = 1.
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/169246
Other URL :	http://arxiv.org/abs/hep-ph/1112.5061

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