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Jets with Variable R

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arxiv 0903.0392 v1 pith:ZK47B4U2 submitted 2009-03-02 hep-ph

classification hep-ph
keywords deltaalgorithmsjetskinematictestusefulvariablealgorithm
verification ladder T0 review T1 audit T2 compute T3 formal
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We introduce a new class of jet algorithms designed to return conical jets with a variable Delta R radius. A specific example, in which Delta R scales as 1/pT, proves particularly useful in capturing the kinematic features of a wide variety of hard scattering processes. We implement this Delta R scaling 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 Delta R algorithms. We also comment on cuts useful in reducing continuum jet backgrounds.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Jet Substructure Probe on Scalar Leptoquark Models via Top Polarization

    hep-ph 2025-05 conditional novelty 6.0 of 10

    A simulation study projects up to 5.4 sigma discovery significance for scalar leptoquarks at the HL-LHC and up to 3.2 sigma separation between the S3 and R2 models using a BDT score.

  2. Search for pair-produced vector-like $T$-quarks decaying into $Ht$ final states in the lepton-plus-jets channel in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector

    hep-ex 2026-05 unverdicted novelty 3.0 of 10

    No excess observed in search for vector-like T-quarks in Ht channel; 95% CL mass limits set at 1.40 TeV (SU(2) singlet), 1.56 TeV (doublet), and 1.66 TeV (100% BR to Ht).

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