Effective CP violation in the Standard Model | Zendy

Jan Smit | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Effective CP violation in the Standard Model

Author(s) -

Jan Smit

Publication year - 2004

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 - 10.1088/1126-6708/2004/09/067

Subject(s) - physics , yukawa potential , cp violation , particle physics , effective action , covariant derivative , invariant (physics) , gauge (firearms) , fermion , standard model (mathematical formulation) , higgs boson , cabibbo–kobayashi–maskawa matrix , covariant transformation , mathematical physics , quark , archaeology , history

We study the strength of effective CP violation originating from the CKMmatrix in the effective action obtained by integrating out the fermions in theStandard Model. Using results obtained by Salcedo for the effective action in ageneral chiral gauge model, we find that there are no CKM CP-violating terms tofourth order in a gauge-covariant derivative expansion that is non-perturbativein the Higgs field. The details of the calculation suggest that, at zerotemperature, the strength of CP violation is approximately independent of theoverall scale of the Yukawa couplings. Thus, order of magnitude estimates basedon Jarlskog's invariant could be too small by a factor of about 10^{17}.Comment: 19 pages, no figure

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research