BEGIN:VCALENDAR VERSION:2.0 PRODID:researchseminars.org CALSCALE:GREGORIAN X-WR-CALNAME:researchseminars.org BEGIN:VEVENT SUMMARY:Raul Briceno (JLab) DTSTART:20201111T170000Z DTEND:20201111T180000Z DTSTAMP:20260423T023008Z UID:UKYhepth/19 DESCRIPTION:Title: Long Range Processes in QCD\nby Raul Briceno (JLab) as part of Theor etical Physics Seminars (Kentucky)\n\n\nAbstract\nA rich variety of phenom ena in the Standard Model and its extensions manifest in long-range proces ses involving bound states of quantum chromodynamics (QCD)\, namely hadron s. These are processes where intermediate hadronic states propagate over a long distance\, between electroweak interactions. Examples include virtua l Compton scattering and double-beta decay. Such processes are at the cusp of what can be systematically studied given two challenges. First\, these reactions involve hadrons\, and as a result one must use a non-perturbati ve tool to access their amplitudes. Currently lattice QCD is the only syst ematically improvable way we have for doing just this. Second\, lattice QC D is defined in a finite\, Euclidean spacetime. This introduces its own sp ecific challenges\, time in purely imaginary in lattice QCD\, and by trunc ating the space one looses the notion of asymptotic states. In this talk I explain how these issues can all be resolved systematically for a relativ ely large kinematic region. In presenting the necessary formalism for doin g this\, I will summarize recent progress in lattice QCD in order to argue that the community is up to the challenge.\n LOCATION:https://researchseminars.org/talk/UKYhepth/19/ END:VEVENT END:VCALENDAR