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The effective field theory containing higher dimensional operators violates the unitarity of the \(2 \rightarrow 2\) scattering processes in the Standard Model. This unitarity violation depends on the values of the Wilson coefficients corresponding to a higher dimensional operator. We showed that even a small values of some of the Wilson coefficients lead to the unitarity violation at the LHC centre of mass energies. Considering the final states as the gauge bosons in the longitudinal mode, the scalars, and the \(t\overline{t}\) , we showed that the unitarity violation in \(WW \rightarrow WW\) , \(WW \rightarrow ZZ\) , and \(ZZ \rightarrow hh\) scattering amplitudes sets bounds on the Wilson coefficients of the dimension six effective operators.

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Model Independent Effective Dimension Six Operators And Scattering Unitarity

  • 会议论文

  • 发表日期：

    2025年

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  • Swagata Ghosh,
  • Rashidul Islam

摘要

The effective field theory containing higher dimensional operators violates the unitarity of the \(2 \rightarrow 2\) scattering processes in the Standard Model. This unitarity violation depends on the values of the Wilson coefficients corresponding to a higher dimensional operator. We showed that even a small values of some of the Wilson coefficients lead to the unitarity violation at the LHC centre of mass energies. Considering the final states as the gauge bosons in the longitudinal mode, the scalars, and the \(t\overline{t}\) , we showed that the unitarity violation in \(WW \rightarrow WW\) , \(WW \rightarrow ZZ\) , and \(ZZ \rightarrow hh\) scattering amplitudes sets bounds on the Wilson coefficients of the dimension six effective operators.