Determining SUSY parameters in chargino pair-production in
نویسندگان
چکیده
منابع مشابه
Determining SUSY Parameters from Chargino Pair Production
A procedure to determine the chargino mixing angles and, subsequently, the fundamental SUSY parametersM2, μ and tanβ by measurements of the total cross section and the spin correlations in ee annihilation to χ̃+1 χ̃ − 1 chargino pairs is discussed.
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In most supersymmetric theories, charginos χ̃1,2, mixtures of charged color– neutral gauginos and higgsinos, belong to the class of the lightest supersymmetric particles. They are easy to observe at e+e− colliders. By measuring the total cross sections and the left–right asymmetries with polarized electron beams in e+e− → χ̃i χ̃ + j [i, j = 1, 2], the chargino masses and the gaugino–higgsino mixin...
متن کاملKIAS-P99094 hep-ph/9910325 DETERMINING SUSY PARAMETERS IN CHARGINO PAIR PRODUCTION IN e+e− COLLISIONS
In most supersymmetric theories, charginos χ̃1,2 belong to the class of the lightest supersymmetric particles and they are easy to observe at e+e− colliders. By measuring the total cross sections and the left–right asymmetries with polarized beams as well as the angular correlations of the decay products of the charginos in e+e− → χ̃i χ̃+j [i, j = 1, 2], the chargino masses and the gaugino–higgsin...
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Charginos χ1 are expected to be the lightest observable supersymmetric particles in many supersymmetric models. We present a procedure which will allow to determine the chargino mixing angles and, subsequently, the fundamental SUSY parameters M2, μ and tanβ by measurements of the total cross section and the spin correlations in e+e− annihilation to χ1 χ − 1 chargino pairs.
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We use the quantum corrected chargino production cross section, including information on the beam polarization and chargino helicities, to estimate the precision achievable at a 1 TeV, 500 fb Linear Collider on the determination of fundamental supersymmetric parameters from measurements of light chargino mass and production cross sections. We show that to get meaningful results higher order cor...
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ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 1999
ISSN: 1434-6044
DOI: 10.1007/s100520050503