Search for a lighter Higgs boson in the Next-to-Minimal Supersymmetric Standard Model

  • Following the discovery of the Higgs boson with a mass of approximately 125 GeV at the LHC, many studies have been performed from both the theoretical and experimental viewpoints to search for a new Higgs Boson that is lighter than 125 GeV. We explore the possibility of constraining a lighter neutral scalar Higgs boson h1 and a lighter pseudo-scalar Higgs boson a1 in the Next-to-Minimal Supersymmetric Standard Model by restricting the next-to-lightest scalar Higgs boson h2 to be the one observed at the LHC after applying the phenomenological constraints and those from experimental measurements. Such lighter particles are not yet completely excluded by the latest results of the search for a lighter Higgs boson in the diphoton decay channel from LHC data. Our results show that some new constraints on the Next-to-Minimal Supersymmetric Standard Model could be obtained for a lighter scalar Higgs boson at the LHC if such a search is performed by experimental collaborations and more data. The potentials of discovery for other interesting decay channels of such a lighter neutral scalar or pseudo-scalar particle are also discussed.
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Jun-Quan Tao, M. Aamir Shahzad, Si-Jing Zhang, Chu Wang, Yu-Qiao Shen, Guo-Ming Chen, He-Sheng Chen, S. Gascon-Shotkin, M. Lethuillier, L. Finco and C. Camen. Search for a lighter Higgs boson in the Next-to-Minimal Supersymmetric Standard Model[J]. Chinese Physics C, 2018, 42(10): 103107. doi: 10.1088/1674-1137/42/10/103107
Jun-Quan Tao, M. Aamir Shahzad, Si-Jing Zhang, Chu Wang, Yu-Qiao Shen, Guo-Ming Chen, He-Sheng Chen, S. Gascon-Shotkin, M. Lethuillier, L. Finco and C. Camen. Search for a lighter Higgs boson in the Next-to-Minimal Supersymmetric Standard Model[J]. Chinese Physics C, 2018, 42(10): 103107.  doi: 10.1088/1674-1137/42/10/103107 shu
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Received: 2018-05-31
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    Supported by National Natural Science Foundation of China (11505208, 11661141007, 11705016, 11875275), China Ministry of Science and Technology (2018YFA0403901) and partially by the France China Particle Physics Laboratory (FCPPL) and CAS Center for Excellence in Particle Physics (CCEPP).

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Search for a lighter Higgs boson in the Next-to-Minimal Supersymmetric Standard Model

  • 1.  Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 3. University of Chinese Academy of Sciences, Beijing 100049, China
  • 4. Institut de Physique Nuclé
  • 5. Changzhou Institute of Technology, Changzhou 213032, China
  • 6.  Institut de Physique Nuclé
Fund Project:  Supported by National Natural Science Foundation of China (11505208, 11661141007, 11705016, 11875275), China Ministry of Science and Technology (2018YFA0403901) and partially by the France China Particle Physics Laboratory (FCPPL) and CAS Center for Excellence in Particle Physics (CCEPP).

Abstract: Following the discovery of the Higgs boson with a mass of approximately 125 GeV at the LHC, many studies have been performed from both the theoretical and experimental viewpoints to search for a new Higgs Boson that is lighter than 125 GeV. We explore the possibility of constraining a lighter neutral scalar Higgs boson h1 and a lighter pseudo-scalar Higgs boson a1 in the Next-to-Minimal Supersymmetric Standard Model by restricting the next-to-lightest scalar Higgs boson h2 to be the one observed at the LHC after applying the phenomenological constraints and those from experimental measurements. Such lighter particles are not yet completely excluded by the latest results of the search for a lighter Higgs boson in the diphoton decay channel from LHC data. Our results show that some new constraints on the Next-to-Minimal Supersymmetric Standard Model could be obtained for a lighter scalar Higgs boson at the LHC if such a search is performed by experimental collaborations and more data. The potentials of discovery for other interesting decay channels of such a lighter neutral scalar or pseudo-scalar particle are also discussed.

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