Nuclear Theory/RIKEN Seminar

"Semi-inclusive jet cross sections within SCET"

Presented by Felix Ringer, LBL

Friday, January 19, 2018, 2:00 pm — Small Seminar Room, Bldg. 510

We review the de nition of semi-inclusive jet functions within Soft Collinear E ective Theory
(SCET) and their application to inclusive jet cross sections. We consider the fully inclusive
production cross section of jets as well as several jet substructure observables in proton-proton
collisions relevant for the LHC and RHIC. The corresponding semi-inclusive jet functions satisfy
renormalization group (RG) equations which take the form of standard timelike DGLAP evolution
equations, analogous to collinear fragmentation functions. By solving these RG equations, the
resummation of potentially large single logarithms n
s lnn R can be achieved. We present numerical
results at NLO+NLLR accuracy and compare to the available data.

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