LC上的异常W+W−tt耦合

Physics and experiments with future linear e+ e- colliders Pub Date : 2001-09-12 DOI:10.1063/1.1394381

T. Tait

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引用次数: 0

摘要

我们研究了通过W+W−聚变产生的tt，包括在无希格标准模型(HSM)背景下提出的线性对撞机(S=1.5 TeV的e+e−对撞机)的相关背景，即非线性SU(2)L×U(1)Y手性拉格朗日，包括五维W+W−tt相互作用。与HSM预测的偏差可用于将这些算子的系数约束为10−1的数量级(除以截止尺度Λ=3.1 TeV)， C.L为95%。

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Anomalous W+W−tt̄ Couplings at the LC

We study production of tt via W+W−-fusion, including the relevant backgrounds at the proposed Linear Collider (an e+e− collider with S=1.5 TeV) in the context of a Higssless Standard Model (HSM), i.e. a nonlinear SU(2)L×U(1)Y chiral Lagrangian, including dimension five W+W−tt interactions. Deviation from the HSM predictions can be used to constrain the coefficients of these operators to an order of 10−1 (divided by the cut-off scale Λ=3.1 TeV) with a 95% C.L..

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Physics and experiments with future linear e+ e- colliders

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