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Jets with variable R
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DOI：10.1088/1126-6708/2009/06/059.png)
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Abstract
En 中文
We introduce a new class of jet algorithms designed to return conical jets with a variable radius R. A specific example, in which R scales as 1/pT, proves particularly useful in capturing the kinematic features of a wide variety of hard scattering processes. We implement this scaling of R in a sequential recombination algorithm and test it by reconstructing resonance masses and kinematic endpoints. These test cases show 10-20% improvements in signal efficiency compared to fixed R algorithms. We also comment on cuts useful in reducing continuum jet backgrounds.(1)
Keywords:
Jets
Hadronic Colliders
QCD
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