Top quark contribution to two-loop helicity amplitudes for Z boson pair production in gluon fusion

被引：0
作者：
Christian Brønnum-Hansen
Chen-Yu Wang
机构：
[1] Institute for Theoretical Particle Physics,
[2] KIT,undefined
来源：
Journal of High Energy Physics | / 2021卷
关键词：
Perturbative QCD; Scattering Amplitudes;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We compute the top quark contribution to the two-loop amplitude for on-shell Z boson pair production in gluon fusion, gg → ZZ. Exact dependence on the top quark mass is retained. For each phase space point the integral reduction is performed numerically and the master integrals are evaluated using the auxiliary mass flow method, allowing fast computation of the amplitude with very high precision.
引用
收藏
相关论文
共 90 条
[1]  
Binoth T(2006) 4 leptons JHEP 12 046-undefined
[2]  
Ciccolini M(1989)undefined Nucl. Phys. B 321 561-undefined
[3]  
Kauer N(1989)undefined Phys. Lett. B 219 488-undefined
[4]  
Krämer M(2015)undefined JHEP 06 129-undefined
[5]  
Glover EWN(2015)undefined JHEP 06 197-undefined
[6]  
van der Bij JJ(2015)undefined Phys. Lett. B 744 43-undefined
[7]  
Glover EWN(2016)undefined JHEP 08 011-undefined
[8]  
van der Bij JJ(2019)undefined Phys. Rev. D 100 114013-undefined
[9]  
Caola F(2020)undefined JHEP 04 024-undefined
[10]  
Henn JM(2000)undefined Nucl. Phys. B 585 741-undefined
123456789