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CATEGORIES:Cavendish Physical Society
SUMMARY:&quot\;Probabilistic Language in Quantum Field The
 ory&quot\; - Professor Yuri Dokshitzer\, LPTHE\, P
 aris and PNPI\, St Petersburg\, Russia
DTSTART;TZID=Europe/London:20160120T160000
DTEND;TZID=Europe/London:20160120T170000
UID:TALK63819AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/63819
DESCRIPTION:Do you understand Quantum Mechanics? Well\, Quantu
 m Field Theory is even worse. Representing quantum
  dynamics of a system with undefined - and undefin
 able - number of objects\, it offers many troubles
  of both technical and conceptual nature. \n\nIn s
 pite of this\, in turns out that many important QF
 T observables allow for a simple interpretation ba
 sed on classical considerations.  \nMarkedly\, thi
 s is the case of dynamics of quark-gluon multiplic
 ation inside QCD jets\,- so-called parton evolutio
 n equations that form the ground for all modern hi
 gh energy experiments at LHC and elsewhere. \n\nWe
  will discuss when and why classical dynamics appl
 ies to QCD phenomena. \n\nIn particular\, paying d
 ue respect to the classical nature of radiation of
  (relatively) soft gluons helps to avoid conceptua
 l mistakes in constructing the theory of productio
 n of heavy-quark bound states. \nIt may also offer
  a breathtaking possibility to find one day a comp
 lete (all-order) analytical solution of the parton
  dynamics with the help of the maximally super-sym
 metric QFT of Yang-Mills fields (N=4 SYM) - a clos
 e relative of QCD.   \n	
LOCATION:Pippard Lecture Theatre\, Cavendish Laboratory
CONTACT:Leona Hope-Coles
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