SU(3) breaking and annihilation effects in the η and η′ masses


Autoria(s): Carvalho, W. S.; Antunes, ACB; DeCastro, A. S.
Contribuinte(s)

Universidade Estadual Paulista (UNESP)

Data(s)

27/05/2014

27/05/2014

20/01/1997

Resumo

The mass splitting of the pseudoscalar mesons η and η′ is approached by taking into account the SU(3)-flavor symmetry breaking and annihilation effects. An extended version of the Schwinger sum rule and a mixing angle equal to -19.51° are obtained.

Formato

121-125

Identificador

http://dx.doi.org/10.1142/S021773239700011X

Modern Physics Letters A, v. 12, n. 2, p. 121-125, 1997.

0217-7323

http://hdl.handle.net/11449/132312

10.1142/S021773239700011X

WOS:A1997WK70800004

2-s2.0-0040257737

Idioma(s)

eng

Publicador

World Scientific Publ Co Pte Ltd

Relação

Modern Physics Letters A

Direitos

closedAccess

Tipo

info:eu-repo/semantics/article