== An effective theory for single Higgs and double Higgs production ==
=== Authors ===

Long-Bin Chen
   * Guangzhou University
   * chenlb__AT__gzhu__dot__edu__dot__cn

Hai Tao Li
   * LANL
   * haitaoli__AT__lanl__dot__gov

Hua-Sheng Shao
   * LPTHE
   * huashengshao__AT__lpthe__dot__jussieu__dot__fr

Jian Wang
   * Shandong University
   * j__dot__wang__AT__sdu__dot__edu__dot__cn

=== Description of the model ===

In the infinite top-quark mass limit, the Higgs field can be effectively coupled with the gluon field via

L_{eff}=