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arXiv 0704.1845hep-phhep-th
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李-威克标准模型

The Lee-Wick Standard Model

Benjamin Grinstein, Donal O'Connell, Mark B. Wise

摘要:

我们构建了一个修改后的标准模型,稳定希格斯质量对二次发散辐射校正,使用最初讨论的想法李和威克在有限的量子电动力学理论的背景下。拉格朗日量包括新的高阶导数算子。我们表明,可以通过引入一组辅助字段消除高阶导数项,这使得方便的计算,并使物理解释更加透明。虽然理论是酉的,但它不满足通常的解析性条件。

英文摘要:

We construct a modification of the standard model which stabilizes the Higgs mass against quadratically divergent radiative corrections, using ideas originally discussed by Lee and Wick in the context of a finite theory of quantum electrodynamics. The Lagrangian includes new higher derivative operators. We show that the higher derivative terms can be eliminated by introducing a set of auxiliary fields; this allows for convenient computation and makes the physical interpretation more transparent. Although the theory is unitary, it does not satisfy the usual analyticity conditions.

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