Decays of excited baryons in the large- Nc expansion of QCD

J. L. Goity; N. N. Scoccola

doi:10.1140/epja/i2006-10180-y

EPJ

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2018 Impact factor 2.481

Hadrons and Nuclei

Eur. Phys. J. A (2007) 31: 506-508
https://doi.org/10.1140/epja/i2006-10180-y

QNP 2006

Decays of excited baryons in the large- N_c expansion of QCD

J. L. Goity¹^,2 and N. N. Scoccola³^,4^,5^*

¹ Department of Physics, Hampton University, 23668, Hampton, VA, USA
² TJNAF, 23606, Newport News, VA, USA
³ Physics Department, CNEA, (1429), Buenos Aires, Argentina
⁴ Universidad Favaloro, Solís 453, (1078), Buenos Aires, Argentina
⁵ CONICET, Rivadavia 1917, (1033), Buenos Aires, Argentina

^* e-mail: scoccola@tandar.cnea.gov.ar

Received: 8 October 2006
Accepted: 15 October 2006
Published online: 16 February 2007

Abstract

We present the analysis of the decay widths of excited baryons in the framework of the 1/N _c expansion of QCD. These studies are performed up to order 1/N _c and include both positive- and negative-parity excited baryons.

PACS: 11.15.Pg Expansions for large numbers of components (e.g. , 1/N _c expansions) – / 13.30.-a Decays of baryons – / 14.20.Gk Baryon resonances with S = 0 –

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