SUSY effects in Higgs production at high energy e+e- colliders

  • Considering the constraints from collider experiments and dark matter detection, we investigate the SUSY effects in the Higgs production channels e+e-→Zh at an e+e- collider with a center-of-mass energy above 240 GeV and γγ→h→bb at a photon collider with a center-of-mass energy above 125 GeV. In the parameter space allowed by current experiments, we find that the SUSY corrections to e+e-→Zh can reach a few percent and the production rate of γγ→h→bb can be enhanced by a factor of 1.2 over the SM prediction. We also calculate the exotic Higgs production e+e-→Zh1 in the next-to-minimal supersymmetric model (NMSSM) (h is the SM-like Higgs, h1 is the CP-even Higgs bosons which can be much lighter than h). We find that at a 250 GeV e+e- collider the production rates of e+e-→Zh1 can reach 60 fb.
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null. SUSY effects in Higgs production at high energy e+e- colliders[J]. Chinese Physics C, 2016, 40(11): 113104. doi: 10.1088/1674-1137/40/11/113104
null. SUSY effects in Higgs production at high energy e+e- colliders[J]. Chinese Physics C, 2016, 40(11): 113104.  doi: 10.1088/1674-1137/40/11/113104 shu
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Received: 2015-09-14
Revised: 2016-07-09
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    Supported by National Natural Science Foundation of China (NNSFC)(10821504, 11222548, 11305049, 11135003), Program for New Century Excellent Talents in University, and ARC Center of Excellence for Particle Physics at Tera-scale. C. Han is supported by World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan

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SUSY effects in Higgs production at high energy e+e- colliders

Fund Project:  Supported by National Natural Science Foundation of China (NNSFC)(10821504, 11222548, 11305049, 11135003), Program for New Century Excellent Talents in University, and ARC Center of Excellence for Particle Physics at Tera-scale. C. Han is supported by World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan

Abstract: Considering the constraints from collider experiments and dark matter detection, we investigate the SUSY effects in the Higgs production channels e+e-→Zh at an e+e- collider with a center-of-mass energy above 240 GeV and γγ→h→bb at a photon collider with a center-of-mass energy above 125 GeV. In the parameter space allowed by current experiments, we find that the SUSY corrections to e+e-→Zh can reach a few percent and the production rate of γγ→h→bb can be enhanced by a factor of 1.2 over the SM prediction. We also calculate the exotic Higgs production e+e-→Zh1 in the next-to-minimal supersymmetric model (NMSSM) (h is the SM-like Higgs, h1 is the CP-even Higgs bosons which can be much lighter than h). We find that at a 250 GeV e+e- collider the production rates of e+e-→Zh1 can reach 60 fb.

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