Electric quadrupole and magnetic octupole moments of the Δ

Using a covariant spectator constituent quark model we predict an electric quadrupole moment QΔ+=−0.043efm2 and a magnetic octupole moment OΔ+=−0.0035efm3 for the Δ+ excited state of the nucleon.

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Bibliographische Detailangaben
Veröffentlicht in:	Physics letters. B 2009-07, Vol.678 (4), p.355-358
Hauptverfasser:	Ramalho, G., Peña, M.T., Gross, Franz
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology EXCITED STATES Nuclear physics OCTUPOLES Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUADRUPOLE MOMENTS QUADRUPOLES QUARK MODEL The physics of elementary particles and fields
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Beschreibung
Zusammenfassung:	Using a covariant spectator constituent quark model we predict an electric quadrupole moment QΔ+=−0.043efm2 and a magnetic octupole moment OΔ+=−0.0035efm3 for the Δ+ excited state of the nucleon.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/j.physletb.2009.06.052