Benjamin C. Allanach et al JHEP03(2003)016 doi:10.1088/1126-6708/2003/03/016
Theoretical uncertainties in sparticle mass predictions from computational tools
Benjamin C. Allanach1, Sabine Kraml2 and Werner Porod3
Show affiliationsWe estimate the current theoretical uncertainty in sparticle mass predictions by comparing several state-of-the-art computations within the minimal supersymmetric standard model (MSSM). We find that the theoretical uncertainty is comparable to the expected statistical errors from the Large Hadron Collider (LHC), and significantly larger than those expected from a future e+e− Linear Collider (LC). We quantify the theoretical uncertainty on relevant sparticle observables for both LHC and LC, and show that the value of the error is significantly dependent upon the supersymmetry (SUSY) breaking parameters. We also present the theoretical uncertainty induced in fundamental scale SUSY breaking parameters when they are fitted from LHC measurements. Two regions of the SUSY parameter space where accurate predictions are particularly difficult are examined in detail: the large tan β and focus point regimes.
- Keywords
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E-print Number: hep-ph/0302102
Cited: by |
Refers: to
- PACS
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12.60.Jv Supersymmetric models
13.85.Qk Inclusive production with identified leptons, photons, or other nonhadronic particles
11.30.Qc Spontaneous and radiative symmetry breaking
- Subjects
- Dates
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Issue 03 (March 2003)
Received 14 February 2003, accepted for publication 7 March 2003
Published 24 March 2003
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Theoretical uncertainties in sparticle mass predictions from computational tools
Benjamin C. Allanach et al JHEP03(2003)016
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