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    • Keywords


      Anomalous Higgs couplings; linear collider.

    • Abstract


      We examine, in a model independent way, the sensitivity of a linear collider to the couplings of a light Higgs boson to a pair of gauge bosons, including the possibility of CP violation. We construct several observables that probe the various possible anomalous couplings. For an intermediate mass Higgs, a collider operating at a center of mass energy of 500 GeV and with an integrated luminosity of 500 fb-1 is shown to be able to constrain the $ZZH$ vertex at the few per cent level, with even higher sensitivity for some of the couplings. However, lack of sufficient number of observables as well as contamination from the $ZZH$ vertex limits the precision to which anomalous part of the $W W H$ coupling can be probed.

    • Author Affiliations


      Sudhansu S Biswal1 Debajyoti Choudhury2 Rohini M Godbole1 Ritesh K Singh3

      1. Centre for High Energy Physics, Indian Institute of Science, Bangalore 560 012, India
      2. Department of Physics and Astrophysics, University of Delhi, New Delhi 110 007, India
      3. Laboratoire de Physique Theoretique, 91405 Orsay Cedex, France
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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