Excited baryons and heavy pentaquarks in large- Nc QCD

D. Pirjol; C. Schat

doi:10.1140/epja/i2006-10229-y

EPJ

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2019 Impact factor 2.176

Hadrons and Nuclei

Eur. Phys. J. A (2007) 31: 687-690
https://doi.org/10.1140/epja/i2006-10229-y

QNP 2006

Excited baryons and heavy pentaquarks in large- N_c QCD

D. Pirjol¹ and C. Schat²^,3^*

¹ Center for Theoretical Physics, Massachusetts Institute of Technology, 02139, Cambridge, MA, USA
² CONICET and Departamento de Fısica, FCEyN, Universidad de Buenos Aires, Ciudad Universitaria, Pab. 1, (1428), Buenos Aires, Argentina
³ Departamento de Fısica, Universidad de Murcia, E30071, Murcia, Spain

^* e-mail: schat@df.uba.ar

Received: 8 November 2006
Accepted: 15 November 2006
Published online: 8 March 2007

Abstract

We briefly discuss the large-N_c picture for excited baryons, present a new method for the calculation of matrix elements and illustrate it by computing the strong decays of heavy exotic states.

PACS: 11.15.Pg Expansions for large numbers of components (e.g. , 1/N _c expansions) – / 14.20.-c Baryons (including antiparticles) –

© Società Italiana di Fisica and Springer-Verlag, 2007