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恒元物理学讲座(第109期)


时间:2018/4/9 16:34:24作者:kyms点击量:627

报告题目: The Higgs Self-Coupling and Future Colliders

  人: Samuel D. HomillerPh.D. Candidate, Stony Brook University

报告时间2018416日(星期一),下午3:30

报告地点:物理学与信息技术学院六层学术报告厅(致知楼3623

报告摘要:

Since its discovery at the LHC in 2012, a number of studies have shown that the Higgs boson has properties very similar to those predicted by the Standard Model. However, virtually no experimental information exists about the Higgs self-coupling, which has important consequences for understanding the electroweak phase transition and physics beyond the Standard Model. In this talk, I will discuss how future proton colliders could measure the Higgs self-coupling and give us insight into early universe cosmology. I will start with a review of Higgs physics and how the self-coupling is related to electroweak symmetry breaking and hence the early universe phase transition. I will then describe how the self-coupling can be measured via Higgs pair production at a hadron collider and summarize the current limits, focusing on the hh-bb?? decay channel. Finally, I will review previous studies on the capabilities of a 100 TeV collider such as FCC-hh at CERN or SPPC in China and preview our results on the capabilities of a 27 TeV collider such as HE-LHC.

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物理学与信息技术学院

2018年3月19日

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