2003
DOI: 10.1088/1126-6708/2003/09/075
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Physics impact of a precise determination of the top quark mass at an e+elinear collider

Abstract: At a prospective e + e − Linear Collider (LC) a very precise determination of the top quark mass with an accuracy of δm t 100 MeV will be possible. This is to be compared with the envisaged accuracy of δm t = 1-2 Gev at the Tevatron and the LHC. We discuss the physics impact of such a precise determination of m t , focusing on the Standard Model (SM) and its minimal supersymmetric extension (MSSM). In particular, we show the importance of a precise knowledge of m t for electroweak precision observables, and fo… Show more

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Cited by 62 publications
(98 citation statements)
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References 101 publications
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“…For definiteness, we will usem = 10 9 GeV, while M g is let free. Now we focus on the comparison for M W and sin 2 θ eff predictions from different models [15,16]. Our results agree with previous ones for the SM and the MSSM predictions given in [14].…”
supporting
confidence: 83%
See 1 more Smart Citation
“…For definiteness, we will usem = 10 9 GeV, while M g is let free. Now we focus on the comparison for M W and sin 2 θ eff predictions from different models [15,16]. Our results agree with previous ones for the SM and the MSSM predictions given in [14].…”
supporting
confidence: 83%
“…We focus on the comparison of Split SUSY predictions with the SM and MSSM predictions, by considering the present data and the prospective experimental precision at the next generation of colliders. Even if the regions of parameter space allowed by colliders constraints is expected to be allowed by precision electroweak constraints in Split SUSY [10,12], an analysis of these two observables, which are very precisely determined by experiments [15,16], has not yet been done, and could provide extra information about the compatibility and/or similarities and differences between Split SUSY predictions on these two EW precision observables and the SM and MSSM predictions. A few more words are in order with respect the recent analysis in Refs.…”
mentioning
confidence: 99%
“…Ultimately it will be reduced by more than an order of magnitude at the ILC [76]. For ∆α (5) had one can hope for an improvement down to 5×10 −5 [77], reducing the parametric uncertainty to the 1 MeV level (for a discussion of the parametric uncertainties induced by the other SM input parameters see e.g.…”
Section: Remaining Higher-order Uncertaintiesmentioning
confidence: 99%
“…The top quark mass, M t , is a fundamental parameter in the standard model. Precise measurements of M t along with those of other standard model parameters can be used to place constraints on the mass of the Higgs boson [1] and on particles in extensions to the standard model [2]. Currently, the Tevatron collider at Fermilab is the only accelerator capable of producing top quarks, where they are primarily produced in pairs.…”
mentioning
confidence: 99%