SUSY-QCD corrections to top and bottom squark decays into Higgs bosons

A. Bartl; H. Eberl; K. Hidaka; S. Kraml; W. Majerotto; W. Porod; Y. Yamada

SUSY-QCD corrections to top and bottom squark decays into Higgs bosons

A. Bartl, H. Eberl, K. Hidaka, S. Kraml, W. Majerotto, W. Porod, Y. Yamada

SCI - Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We calculate the script O sign(α_s) SUSY-QCD corrections to the widths of top and bottom squark decays into Higgs bosons within the minimal supersymmetric standard model. We give the complete analytical formulas, paying particular attention to the on-shell renormalization of the soft SUSY-breaking parameters. We also perform a detailed numerical analysis of both top and bottom squark decays into all Higgs bosons h⁰, H⁰, A⁰, and H^±. We find that the SUSY-QCD corrections are significant, mostly negative, and of the order of a few ten percent.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	59
Issue number	11
Publication status	Published - 1999 Jun 1

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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T1 - SUSY-QCD corrections to top and bottom squark decays into Higgs bosons

AU - Bartl, A.

AU - Eberl, H.

AU - Hidaka, K.

AU - Kraml, S.

AU - Majerotto, W.

AU - Porod, W.

AU - Yamada, Y.

PY - 1999/6/1

Y1 - 1999/6/1

N2 - We calculate the script O sign(αs) SUSY-QCD corrections to the widths of top and bottom squark decays into Higgs bosons within the minimal supersymmetric standard model. We give the complete analytical formulas, paying particular attention to the on-shell renormalization of the soft SUSY-breaking parameters. We also perform a detailed numerical analysis of both top and bottom squark decays into all Higgs bosons h0, H0, A0, and H±. We find that the SUSY-QCD corrections are significant, mostly negative, and of the order of a few ten percent.

AB - We calculate the script O sign(αs) SUSY-QCD corrections to the widths of top and bottom squark decays into Higgs bosons within the minimal supersymmetric standard model. We give the complete analytical formulas, paying particular attention to the on-shell renormalization of the soft SUSY-breaking parameters. We also perform a detailed numerical analysis of both top and bottom squark decays into all Higgs bosons h0, H0, A0, and H±. We find that the SUSY-QCD corrections are significant, mostly negative, and of the order of a few ten percent.

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

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SN - 1550-7998

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