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High Energy Physics - Phenomenology

arXiv:1504.04453 (hep-ph)
[Submitted on 17 Apr 2015]

Title:Hyperon Semileptonic decay constants with flavor SU(3) symmetry breaking

Authors:Ghil-Seok Yang, Hyun-Chul Kim
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Abstract:We investigate the hyperon semileptonic decay constants, $f_2/f_1$, and $g_1/f_1$, within a general framework of a chiral soliton model. All relevant parameters for the SU(3) baryon wave functions were unambiguously determined by using the experimental data for the masses of the baryon octet and the decuplet. Using then the existing experimental data for the magnetic moments of the baryon octet and the decay constants of hyperon semileptonic decays, we are able to determine all the hyperon semileptonic decay constants $f_2/f_1$ and $g_1/f_1$ of the baryon octet unequivocally. In addition, we also present the results of the axial-vector transition constants from the baryon decuplet to the octet.
Comments: 20pages, no figure
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex); Nuclear Experiment (nucl-ex)
Report number: INHA-NTG-03/2015
Cite as: arXiv:1504.04453 [hep-ph]
  (or arXiv:1504.04453v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1504.04453
Journal reference: Phys. Rev. C 92, 035206 (2015)
Related DOI: https://doi.org/10.1103/PhysRevC.92.035206

Submission history

From: Hyun-Chul Kim [view email]
[v1] Fri, 17 Apr 2015 07:23:43 UTC (21 KB)
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