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Hello all,</p>
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Apologies for the late timing, but Professor Gan has invited <b>Dr. Eleonoro Rossi</b> to speak in our seminar series
<b>today at 3:30pm</b> about the Higgs self-coupling. His message:</p>
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Dr. Eleonora Rossi,<span> </span><span style="margin: 0px; font-size: 11pt; color: black">Università degli Studi Roma Tre, will give a seminar today at<span> </span></span>3:30 pm, Monday, June 29. The Zoom link is<span style="margin: 0px; font-size: 11pt"></span></p>
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https://osu.zoom.us/j/7063435171</p>
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"The Higgs self-coupling"</p>
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After the discovery of the Higgs boson, one of the main target of particle physics is the measurement of the Higgs boson couplings to fermions and vector bosons. Moreover, it is of great interest the observation of the interaction of the Higgs boson with itself,
known as the Higgs boson self-coupling. The self-coupling is very loosely constrained by EWK precision measurements therefore new physics effects could induce large deviations from its SM expectation. While double Higgs production can be used to directly constrain
the Higgs boson self-coupling, the latter can be also constrained by exploiting higher-order electroweak corrections to single Higgs boson production. A combined measurement of both results yields the overall highest precision, and reduces model dependence
by allowing for the simultaneous determination of the single Higgs boson couplings. Results for this combined measurement are presented based on pp collision data collected at a center-of-mass energy of 13 TeV with the ATLAS detector.</p>
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-Brian, on behalf of Professor Gan</p>
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