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Pheno seminar / JC

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G/1-G.1.03 - J. Sacton (Building G)

G/1-G.1.03 - J. Sacton

Building G

45
Description

Series of seminars (and JC) about fundamental high energy physics and gravitational waves

Invited speaker: Hiroyuki Furusato (Iwate University)

    • 16:00 → 17:00
      Higgs production in association with a Z boson at TeV-scale lepton colliders 1h

      We study the process l−l+ → ννˉZh for future lepton colliders, whose cross section exceeds that of l−l+ → Zh in the multi-TeV energy region. The amplitudes are classified into three main groups according to the topology of the Feynman diagrams, and their interference patterns are analyzed. We show that the subtle gauge cancellations present at high energies in the unitary gauge are absent in the recently proposed Feynman-diagram gauge, allowing the physical distributions to be interpreted in terms of contributions from each subgroup.

      Speaker: Hiroyuki Furusato
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