Investigation of anomalous WWγ couplings via W boson scattering at muon-antimuon collider


YILMAZ D., ŞAHİN B., ŞAHİN M.

Journal of Physics G: Nuclear and Particle Physics, cilt.52, sa.12, 2025 (SCI-Expanded, Scopus) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 52 Sayı: 12
  • Basım Tarihi: 2025
  • Doi Numarası: 10.1088/1361-6471/ae263b
  • Dergi Adı: Journal of Physics G: Nuclear and Particle Physics
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Chemical Abstracts Core, INSPEC
  • Anahtar Kelimeler: anomalous WWγ couplings, muon colliders, W bosons
  • Ankara Üniversitesi Adresli: Evet

Özet

High-energy muon-antimuon colliders are well suited to study vector boson scattering processes due to forward gauge boson radiation. In this context, we have studied W+W− → γγ process to invetisgate CP-violating c W ˜ W W / Λ 2 , c W ˜ / Λ 2 and CP-conserving cW/Λ2, cB/Λ2, cWWW/Λ2 dimension-6 WWγ couplings by means of the Standard Model Effective Field Theory. Signal and possible background processes are performed with MadGraph5_aMC@NLO and particle shower effects were achieved by passing through Pythia8. The Delphes3 and Madanalysis5 frameworks were used for detector effects and final state particle reconstruction in the muon-antimuon collider. The sensitivities are investigated by taking into account 6 TeV, 10 TeV and 30 TeV center of mass energies and corresponding luminosities at 95% confidence level for the future muon-antimuon collider. For the coupling parameter c W ˜ W W / Λ 2 , we have obtained the best sensitivity bound of the order of O ( 1 0 − 3 ) within the coupling parameters at s = 30 TeV and luminosity of 90 ab−1. Obtained results were compared with today’s data.