Jet declustering techniques have brought up the possibility to access the Lund plane of QCD emissions in jets. By scanning different areas of the Lund jet plane, sensitivity to different physics effects can be enhanced, including quark mass effects. In this talk I will discuss the techniques and the measurement by ALICE (Nature 605, 440-446 (2022)) of the first direct signature of the dead cone effect in QCD. I will also discuss the problematics of the Lund plane in heavy ion collisions and prospects.
There will be a luncheon with the speaker from 12-1 p.m. in WL-216. Lunch will be provided for people on a first-come, first-served basis for people who RSVP by 10 a.m. on Tuesday, May 31st: https://tinyurl.com/npa-signup
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