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m_T2 : the truth behind the glamour

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arxiv hep-ph/0304226 v1 pith:HCO5XWO3 submitted 2003-04-23 hep-ph

classification hep-ph
keywords particlessomethenvariableamsb-likeappliesbehindbriefly
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the kinematic variable, m_T2, which is in some ways similar to the more familiar `transverse-mass', but which can be used in events where two or more particles have escaped detection. We define this variable and describe the event topologies to which it applies, then present some of its mathematical properties. We then briefly discuss two case studies which show how m_T2 is vital when reconstructing the masses of supersymmetric particles in mSUGRA-like and AMSB-like scenarios at the Large Hadron Collider.

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Cited by 4 Pith papers

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

  1. Closing in on singly charged scalars

    hep-ph 2025-06 conditional novelty 6.0 of 10

    For a benchmark singly charged scalar that decays to leptons plus invisible particles, LHC data still allow masses above about 185 GeV and in a window near 80-125 GeV, and a boosted-decision-tree search could probe th...

  2. Measurement of WWZ and ZH production cross sections at $\sqrt{s}$ = 13 and 13.6 TeV

    hep-ex 2025-05 accept novelty 6.0 of 10

    The WWZ and ZH production rates match the standard model, with a combined significance of 4.5 standard deviations and first evidence at 13.6 TeV.

  3. Multi-Lepton Probes of the Drell-Yan Production of Triplet Higgses

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    The ΔSM real Higgs triplet model is consistent with LHC triboson excesses but predicts more events than observed and is not preferred over the Standard Model.

  4. Search for the pair production of long-lived supersymmetric partners of the tau lepton in proton-proton collisions at $\sqrt{s}$ = 13 TeV

    hep-ex 2026-01 accept novelty 5.0 of 10

    No long-lived staus are observed; CMS excludes stau masses up to 425 GeV at 50 mm lifetime (mass-degenerate) and decay lengths 21-94 mm / 6-333 mm at 200 GeV.

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