Substructure of High-pT Jets at the LHC.

Substructure of High-pT Jets at the LHC.
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ISBN-10 : OCLC:727217380
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Book Synopsis Substructure of High-pT Jets at the LHC. by :

Download or read book Substructure of High-pT Jets at the LHC. written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We study high-p{sub T} jets from QCD and from highly-boosted massive particles such as tops, W, Z and Higgs, and argue that infrared-safe observables can help reduce QCD backgrounds. Jets from QCD are characterized by different patterns of energy flow compared to the products of highly-boosted heavy particle decays, and we employ a variety of jet shapes, observables restricted to energy flow within a jet, to explore this difference. Results from Monte Carlo generators and arguments based on perturbation theory support the discriminating power of the shapes we refer to as planar flow and angularities. We emphasize that for massive jets, these and other observables can be analyzed perturbatively.


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