Tensor charges of light baryons in the Infinite Momentum Frame

[en] We have used the chiral-quark soliton model formulated in the infinite momentum frame to investigate the octet, decuplet, and antidecuplet tensor charges up to the 5Q sector. Using flavor $SU(3)$ symmetry we have obtained for the proton $\delta u=1.172$ and $\delta d=-0.315$ in fair agreement with previous model estimations. The 5Q contribution allowed us to estimate also the strange contribution to the proton tensor charge $\delta s=- 0.011$. All those values have been obtained at the model scale $Q^2_0=0.36$ GeV^2.

Disciplines :

Physics

Author, co-author :

Lorce, Cédric ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules

Language :

English

Title :

Tensor charges of light baryons in the Infinite Momentum Frame

Publication date :

2009

Journal title :

Physical Review. D, Particles, Fields, Gravitation, and Cosmology

ISSN :

1550-7998

eISSN :

1550-2368

Publisher :

American Physical Society, College Park, United States - Maryland

Volume :

D79

Pages :

074027

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 30 November 2013

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