The seesaw mechanism at arbitrary order: disentangling the small scale from the large scale | Zendy

Walter Grimus | Zendy; L. Lavoura | Zendy

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The seesaw mechanism at arbitrary order: disentangling the small scale from the large scale

Author(s) -

Walter Grimus,

L. Lavoura

Publication year - 2000

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2000/11/042

Subject(s) - seesaw mechanism , scale (ratio) , particle physics , electroweak scale , seesaw molecular geometry , mass matrix , quark , physics , inverse , matrix (chemical analysis) , neutrino , mathematics , geometry , chemistry , chromatography , quantum mechanics

We develop a recipe which allows one to recursively and uniquely decouple thelarge scale from the small scale in mass matrices of the seesaw type, up to anyorder in the inverse of the large scale. Our method allows one to calculate themass matrix of the light neutrinos with arbitrary precision. The same methodcan be applied in the case of quark mass matrices in an extension of theStandard Model with vector-like quarks which have mass terms at a scale muchhigher than the electroweak scale.Comment: 8 pages, Latex, no figures; paragraph added at the end of section 2, one reference adde

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