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High Energy Physics - Phenomenology

arXiv:hep-ph/0104226 (hep-ph)
[Submitted on 23 Apr 2001 (v1), last revised 21 Jun 2001 (this version, v3)]

Title:Can the Zee Model Explain the Observed Neutrino Data?

Authors:Yoshio Koide
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Abstract: The eigenvalues and mixing angles in the Zee model are investigated parameter-independently. When we require |\Delta m^2_{12}/\Delta m^2_{23}| \ll 1 in order to understand the solar and atmospheric data simultaneously, the only solution is one which gives bi-maximal mixing. It is pointed out that the observed values \sin^2 2\theta_{solar} \simeq 0.66 in the MSW LMA solution cannot be explained within the framework of the Zee model, because we derive a severe constraint on the value of \sin^2 2 \theta_{solar}, \sin^2 2 \theta_{solar} \geq 1 -(1/16)(\Delta m^2_{solar}/\Delta m^2_{atm})^2.
Comments: Latex file, 10 pages, 1 figure, explanations and references added, typos corrected, to be published in Phys.Rev.D
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: US-01-02
Cite as: arXiv:hep-ph/0104226
  (or arXiv:hep-ph/0104226v3 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0104226
Journal reference: Phys.Rev. D64 (2001) 077301
Related DOI: https://doi.org/10.1103/PhysRevD.64.077301

Submission history

From: Yoshio Koide [view email]
[v1] Mon, 23 Apr 2001 11:24:22 UTC (11 KB)
[v2] Wed, 2 May 2001 10:20:36 UTC (11 KB)
[v3] Thu, 21 Jun 2001 11:35:47 UTC (12 KB)
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