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| The Beautiful Standard Model |
| 2006-03-28
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Speaker : 李田军 研究员 中国科学院理论物理研究所
Date : 2006-03-28 12:00
Venue :
Conference Hall 322, ITP/理论物理所322报告厅
Abstract : The Standard Model (SM) can explain the existing experimental data very well, and it can incorporate the convincing new physics beyond the SM via small variations. The major challenges to the SM is the cosmological constant problem, gauge hierarchy problem, gauge coupling unification, and charge quantization. Due to the string landscape, the cosmological constant problem and gauge hierarchy problem can be solved in a novel way. The gauge coupling unification can be achieved by the non-canonical U(1) hypercharge normalization, which is generic in the string model building and can be obtained in orbifold GUTs. The charge quantization can be realized simultaneously. In particular, the Higgs mass can be predicted in a narrow range, which can be tested in the future colliders.#@请参加的人员在3月24日上午9:00之前登记
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