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Search for a lighter Higgs boson in the Next-to-Minimal Supersymmetric Standard Model |
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| Authors: | 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 C. Camen |
| Affiliation: | 1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China3. University of Chinese Academy of Sciences, Beijing 100049, China4. Institut de Physique Nuclé5. Changzhou Institute of Technology, Changzhou 213032, China6. Institut de Physique Nuclé |
| Abstract: | Following the discovery of the Higgs boson with a mass of approximately 125 Ge V 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 Ge V. We explore the possibility of constraining a lighter neutral scalar Higgs boson h_1 and a lighter pseudo-scalar Higgs boson a_1 in the Next-to-Minimal Supersymmetric Standard Model by restricting the next-to-lightest scalar Higgs boson h_2 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. |
| Keywords: | Next-to-Minimal Supersymmetric Standard Model lighter Higgs boson discovery potentials |
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