The discovery and properties of pentaquarks

[en] The pentaquarks are exotic baryons formed of four quarks and an antiquarks. Their existence has been discussed in the literature over the last 30 years or more, first in connection with kaon nucleon scattering data. The subject has been revived by the end of 2002 when experimental evidence of a narrow baryon of strangeness S = +1, and mass M similar or equal to 1530 MeV has been found. This is interpreted as the lightest member of an SU(3)-flavor antidecuplet. Here we shall mainly review the predictions of pentaquark properties as e.g. mass, spin and parity, within constituent quark models. Both light and heavy pentaquarks will be presented.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Stancu, Floarea ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)

Language :

English

Title :

The discovery and properties of pentaquarks

Publication date :

2005

Event name :

The 8th International Workshop on Meson Production, Properties and Interaction

Event place :

Cracow, Poland

Event date :

June 4-8, 2004

Audience :

International

Journal title :

International Journal of Modern Physics A

ISSN :

0217-751X

Publisher :

World Scientific Publishing Company, Singapore, Singapore

Volume :

Issue :

2-3

Pages :

209-218

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 10 April 2014

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