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The Higgs sector of the MSSM in the decoupling limit

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Dobado González, Antonio and Herrero, M. J. and Peñaranda , Siannah (2000) The Higgs sector of the MSSM in the decoupling limit. European Physical Journal C, 17 (3). pp. 487-500. ISSN 1434-6044

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Official URL: http://link.springer.com/article/10.1007%2Fs100520000486?LI=true




Abstract

We study the heavy Higgs sector of the MSSM composed of the H+/-, H-0 and A(0) particles in the so-called decoupling limit where m(A0) >> m(z) By integrating out these heavy Higgs particles to one-loop, we compute the effective action for the electroweak gauge bosons and find out that, in the decoupling limit, ail the heavy Higgs effects can be absorbed into redefinitions of the Standard model electroweak parameters. This demonstrates explicitely that the decoupling theorem works for the heavy heavy Higgs particles. This is also compared with the paradigmatic and different case of the Standard Model heavy Higgs particle. Finally, this work together with our two previous works, complete the demonstration that all the non-standard particles in the MSSM namely, squarks, sleptons, charginos, neutralinos and the heavy Higgs particles, decouple to one-loop from the low energy electroweak gauge boson physics.


Item Type:Article
Additional Information:

©Springer-Verlag 2000

Uncontrolled Keywords:Supersymmetric Standard Model, One-Loop Renormalization, Radiative-Corrections, Heavy Higgs
Subjects:Sciences > Physics
ID Code:22612
Deposited On:31 Jul 2013 10:21
Last Modified:07 Feb 2014 10:49

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