ATLAS Measurements of the Properties of Jets for Boosted Particle Searches
Izen, Joseph M.
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Measurements are presented of the properties of high transverse momentum jets, produced in proton-proton collisions at a center-of-mass energy of √s=7 TeV. The data correspond to an integrated luminosity of 35 pb⁻¹ and were collected with the ATLAS detector in 2010. Jet mass, width, eccentricity, planar flow and angularity are measured for jets reconstructed using the anti-k_t algorithm with distance parameters R=0.6 and 1.0, with transverse momentum p_T > 300 GeV and pseudorapidity |η| < 2. The measurements are compared to the expectations of Monte Carlo generators that match leading-logarithmic parton showers to leading-order, or next-to-leading-order, matrix elements. The generators describe the general features of the jets, although discrepancies are observed in some distributions.
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