期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2010)005
关键词
Jets; Hadronic Colliders; QCD
We analytically and numerically study the effect of perturbative gluons emission on the Filtering analysis, which is part of a subjet analysis procedure proposed two years ago to possibly identify a low-mass Higgs boson decaying into b (b) over bar at the LHC. This leads us to examine the non-global structure of the resulting perturbative series in the leading single-log large-N-c approximation, including all-orders numerical results, simple analytical approximations to them and comments on the structure of their series expansion. We then use these results to semi-analytically optimize the parameters of the Filtering analysis so as to suppress as much as possible the effect of underlying event and pile-up on the Higgs mass peak reconstruction while keeping the major part of the perturbative radiation from the b (b) over bar dipole.
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