Article (Scientific journals)
The $[ 70,1^-]$ baryon multiplet in the $1/N_c$ expansion revisited
Matagne, Nicolas; Stancu, Floarea
2007In AIP Conference Proceedings, 892, p. 285-288
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Abstract :
[en] The mass splittings of the baryons belonging to the $[{\bf 70},1^-]$-plet are derived by using a simple group theoretical approach to the matrix elements of the mass formula. The basic conclusion is that the first order correction to the baryon masses is of order $1/N_c$ instead of order $N^0_c$, as previously found. The conceptual difference between the ground state and the excited states is therefore removed.
Disciplines :
Physics
Author, co-author :
Matagne, Nicolas
Stancu, Floarea ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Language :
English
Title :
The $[ 70,1^-]$ baryon multiplet in the $1/N_c$ expansion revisited
Publication date :
2007
Journal title :
AIP Conference Proceedings
ISSN :
0094-243X
eISSN :
1551-7616
Publisher :
American Institute of Physics
Volume :
892
Pages :
285-288
Peer reviewed :
Peer Reviewed verified by ORBi
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since 28 January 2011

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