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

报  告  人： Samuel D. Homiller（Ph.D. Candidate, Stony Brook University）

报告时间：2018年4月16日（星期一），下午3:30

报告地点：bat365在线平台官方网站六层学术报告厅（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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2018年3月19日