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SUMMARY:Semi-automated two-loop calculations at the example of Higgs masse
s in the MSSM
DTSTART;VALUE=DATE-TIME:20151001T123000Z
DTEND;VALUE=DATE-TIME:20151001T124500Z
DTSTAMP;VALUE=DATE-TIME:20210422T120122Z
UID:indico-contribution-7123@indico.desy.de
DESCRIPTION:Speakers: Sebastian Paßehr (DESY)\nTwo-loop calculations with
non-trivial renormalization are necessary for the determination of high-p
recision theory predictions of experimentally well-known quantities. A fam
ous example is the mass of a Higgs-like particle which has been measured a
t the LHC with a precision at the sub-percent level. A possible interpreta
tion of this particle is given by the Minimal Supersymmetric Standard Mode
l (MSSM) as one of its five physical Higgs bosons. A precise prediction of
the Higgs spectrum in the MSSM relies on higher-order corrections.\nThe m
ain focus of this talk is set on the conceptual implementation in seven di
stinct steps of the top Yukawa coupling enhanced two-loop corrections to t
he Higgs spectrum in the complex MSSM. Each step is specific to the contri
bution computed here\, but due to its modular structure the code can be ad
apted with little effort for similar calculations.\nThe complete code is p
art of the publicly available program FeynHiggs.\n\nhttps://indico.desy.de
/event/11875/contributions/7123/
LOCATION:DESY Hamburg Seminar room 4b
URL:https://indico.desy.de/event/11875/contributions/7123/
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