Jet masses for high p_T QCD jets at all orders

Details Jet masses for high p_T QCD jets at all orders Jet masses for high p_T QCD jets at all orders

2010-06-29

arxiv.org/abs/1006.5679v2

PoS DIS2010:104,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure. Submitted to the proceedings of DIS 2010, Florence

Scientific paper

The study of the shape and sub-structure of high p_T jets produced in hadron collisions is becoming an increasingly important component of LHC phenomenology in the context of new particle discoveries. We study here the state of the art for masses of QCD jets in perturbation theory to all orders, up to next-to--leading logarithmic accuracy, with inclusion of non-global logarithms. We also study the precise role of the jet algorithm used to construct the jets and its impact on resummed predictions. Such analytical predictions, where available, offer an alternative to leading logarithmic predictions from Monte Carlo event generators and could, after fixed-order matching and accounting for non-perturbative effects, be used for direct comparison to early LHC data.

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